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Split light with 2 softboxes, one to camera left, the other to camera right.
More at www.robwerlinger.com
1920s box camera manufactured by W. Butcher & Sons, London. Meniscus lens, 3 sliding stops. Takes 120 film.
Chloe Bruce at Judgement Day 2011.
(C) Matt Giles Photography. No unauthorised usage alowed without prior written permission
© All Rights Reserved - No Usage Allowed in Any Form Without the Written Consent of Connie Lemperle/ lemperleconnie or the Cincinnati Zoo & Botanical Garden
Link to Cincinnati Zoo..............
Animal Encyclopedia: Mueller's gibbon
TAXONOMY
Hylobates muelleri Martin, 1841, Kalimantan, Indonesia. Three subspecies around northern and eastern Borneo (H. m. abbotti H. funereus, and H. muelleri).
OTHER COMMON NAMES
English: Bornean gibbon, gray gibbon; French: Gibbon de Mueller; German: Grauer-Gibbon, Borneo-Gibbon; Spanish: Gibon de Mueller.
PHYSICAL CHARACTERISTICS
Size 16.5–18.5 in (42–47 cm); weight 12.6 lb (5.7 kg). Brown to gray with dark cap and chest, more so in female; face ring in male.
DISTRIBUTION
Borneo, north of Kapuas River in west Kalimantan, Sarawak, Sabah, and east and central Kalimantan, east of Barito River.
HABITAT
Tropical evergreen rainforest.
BEHAVIOR
Population density 3.2 groups/2.5 mi2 (km2); home range 109 ac (44 ha), 89% defended as territory 96 ac (39 ha); day range 0.5 mi (0.9 km). Male, single hoots; female, short, rising notes, short bubble, about 58 notes, 12 seconds.
FEEDING ECOLOGY AND DIET
Diet is mainly fruit, including figs, also flowers, leaves, and animal matter.
REPRODUCTIVE BIOLOGY
Monogamous. Produce single young every two to three years.
CONSERVATION STATUS
Lower Risk/Near Threatened.
SIGNIFICANCE TO HUMANS
Mostly revered, especially by the indigenous people, but probably eaten; traded by some non-indigenous visitors.
Note _______________________________________________________________
I got up early today thinking I was going to go to the zoo but now I'm going to wait until Thursday hoping the light will be better. Its just way too sunny today. It should be a beautiful day though so I'll just enjoy the weather and my dogs instead. Wishing you all a very beautiful sunny day! Hugs!
160 was withdrawn from service in 1971 initially becoming a driver tuition vehicle and re-numbered 90. After use by Greyhound, Arbroath, then some non-psv use, and re-registration to WTS 937A, this vehicle was acquired for preservation by the Angus Transport Group in 1992. In 1997 ownership changed and the bus moved to its original home city under the care of the then Aberdeen and District Preservation Group.
Shown with undercoat green and undercoat white, with wheels and just the rear wing in Lincoln green and some window pillars in cream, giving a hint of what is to come when all paintwork is complete in due course.
The bus is currently stored at the Aberdeen and District Transport Preservation Trust, Bus Collection, Alford.
1960 160 DRS 360 Alford 20130629 bx2 cpy
embodied form: 198
7.16.16 nll
I created these two “couplings” tonight. I might cut them out and start piecing them together to see how they interact with each other. I used one of the pods as inspiration for another ‘digital sketch’.
©All photographs on this site are copyright: ©DESPITE STRAIGHT LINES (Paul Williams) 2011 – 2021 & GETTY IMAGES ®
No license is given nor granted in respect of the use of any copyrighted material on this site other than with the express written agreement of ©DESPITE STRAIGHT LINES (Paul Williams). No image may be used as source material for paintings, drawings, sculptures, or any other art form without permission and/or compensation to ©DESPITE STRAIGHT LINES (Paul Williams)
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AN IN DEPTH LOOK AT CORVUS CORONE
LEGEND AND MYTHOLOGY
Crows appear in the Bible where Noah uses one to search for dry land and to check on the recession of the flood. Crows supposedly saved the prophet, Elijah, from famine and are an Inuit deity. Legend has it that England and its monarchy will end when there are no more crows in the Tower of London. And some believe that the crows went to the Tower attracted by the regular corpses following executions with written accounts of their presence at the executions of Anne Boleyn and Jane Gray.
In Welsh mythology, unfortunately Crows are seen as symbolic of evilness and black magic thanks to many references to witches transforming into crows or ravens and escaping. Indian legend tells of Kakabhusandi, a crow who sits on the branches of a wish-fulfilling tree called Kalpataru and a crow in Ramayana where Lord Rama blessed the crow with the power to foresee future events and communicate with the souls.
In Native American first nation legend the crow is sometimes considered to be something of a trickster, though they are also viewed positively by some tribes as messengers between this world and the next where they carry messages from the living to those deceased, and even carry healing medicines between both worlds. There is a belief that crows can foresee the future. The Klamath tribe in Oregon believe that when we die, we fly up to heaven as a crow. The Crow can also signify wisdom to some tribes who believe crows had the power to talk and were therefore considered to be one of the wisest of birds. Tribes with Crow Clans include the Chippewa (whose Crow Clan and its totem are called Aandeg), the Hopi (whose Crow Clan is called Angwusngyam or Ungwish-wungwa), the Menominee, the Caddo, the Tlingit, and the Pueblo tribes of New Mexico.
The crow features in the Nanissáanah (Ghost dance), popularized by Jerome Crow Dog, a Brulé Lakota sub-chief and warrior born at Horse Stealing Creek in Montana Territory in 1833, the crow symbolizing wisdom and the past, when the crow had became a guide and acted as a pathfinder during hunting. The Ghost dance movement was originally created in 1870 by Wodziwob, or Gray Hair, a prophet and medicine man of the Paiute tribe in an area that became known as Nevada. Ghost dancers wore crow and eagle feathers in their clothes and hair, and the fact that the Crow could talk placed it as one of the sages of the animal kingdom. The five day dances seeking trance,prophecy and exhortations would eventually play a major part in the pathway towards the white man's broken treaties, the infamous battle at Wounded knee and the surrender of Matȟó Wanáȟtaka (Kicking Bear), after officials began to fear the ghost dancers and rituals which seemed to occur prior to battle.
Historically the Vikings are the group who made so many references to the crow, and Ragnarr Loðbrók and his sons used this species in his banner as well as appearances in many flags and coats of arms. Also, it had some kind of association with Odin, one of their main deities. Norse legend tells us that Odin is accompanied by two crows. Hugin, who symbolizes thought, and Munin, who represents a memory. These two crows were sent out each dawn to fly the entire world, returning at breakfast where they informed the Lord of the Nordic gods of everything that went on in their kingdoms. Odin was also referred to as Rafnagud (raven-god). The raven appears in almost every skaldic poem describing warfare.Coins dating back to 940's minted by Olaf Cuaran depict the Viking war standard, the Raven and Viking war banners (Gonfalon) depicted the bird also.
In Scandinavian legends, crows are a representative of the Goddess of Death, known as Valkyrie (from old Norse 'Valkyrja'), one of the group of maidens who served the Norse deity Odin, visiting battlefields and sending him the souls of the slain worthy of a place in Valhalla. Odin ( also called Wodan, Woden, or Wotan), preferred that heroes be killed in battle and that the most valiant of souls be taken to Valhöll, the hall of slain warriors. It is the crow that provides the Valkyries with important information on who should go. In Hindu ceremonies that are associated to ancestors, the crow has an important place in Vedic rituals. They are seen as messengers of death in Indian culture too.
In Germanic legend, Crows are seen as psychonomes, meaning the act of guiding spirits to their final destination, and that the feathers of a crow could cure a victim who had been cursed. And yet, a lone black crow could symbolize impending death, whilst a group symbolizes a lucky omen! Vikings also saw good omens in the crow and would leave offerings of meat as a token.
The crow also has sacred and prophetic meaning within the Celtic civilization, where it stood for flesh ripped off due to combat and Morrighan, the warrior goddess, often appears in Celtic mythology as a raven or crow, or else is found to be in the company of the birds. Crow is sacred to Lugdnum, the Celtic god of creation who gave his name to the city of Lug
In Greek mythology according to Appolodorus, Apollo is supposedly responsible for the black feathers of the crow, turning them forever black from their pristine white original plumage as a punishment after they brought news that Κορωνις (Coronis) a princess of the Thessalian kingdom of Phlegyantis, Apollo's pregnant lover had left him to marry a mortal, Ischys. In one legend, Apollo burned the crows feathers and then burned Coronis to death, in another Coronis herself was turned into a black crow, and another that she was slain by the arrows of Αρτεμις (Artemis - twin to Apollo). Koronis was later set amongst the stars as the constellation Corvus ("the Crow"). Her name means "Curved One" from the Greek word korônis or "Crow" from the word korônê.A similar Muslim legend allegedly tells of Muhammad, founder of Islam and the last prophet sent by God to Earth, who's secret location was given away by a white crow to his seekers, as he hid in caves. The crow shouted 'Ghar Ghar' (Cave, cave) and thus as punishment, Muhammad turned the crow black and cursed it for eternity to utter only one phrase, 'Ghar, ghar). Native Indian legend where the once rainbow coloured crows became forever black after shedding their colourful plumage over the other animals of the world.
In China the Crow is represented in art as a three legged bird on a solar disk, being a creature that helps the sun in its journey. In Japan there are myths of Crow Tengu who were priests who became vain, and turned into this spirit to serve as messengers until they learn the lesson of humility as well as a great Crow who takes part in Shinto creation stories.
In animal spirit guides there are general perceptions of what sightings of numbers of crows actually mean:
1 Crow Meaning: To carry a message from your near one who died recently.
2 Crows Meaning: Two crows sitting near your home signifies some good news is on your way.
3 Crows Meaning: An upcoming wedding in your family.
4 Crows Meaning: Symbolizes wealth and prosperity.
5 Crows Meaning: Diseases or pain.
6 Crows Meaning: A theft in your house!
7 Crows Meaning: Denotes travel or moving from your house.
8 Crows Meaning: Sorrowful events
Crows are generally seen as the symbolism when alive for doom bringing, misfortune and bad omens, and yet a dead crow symbolises potentially bringing good news and positive change to those who see it. This wonderful bird certainly gets a mixed bag of contradictory mythology and legend over the centuries and in modern days is often seen as a bit of a nuisance, attacking and killing the babies of other birds such as Starlings, Pigeons and House Sparrows as well as plucking the eyes out of lambs in the field, being loud and noisy and violently attacking poor victims in a 'crow court'....
There is even a classic horror film called 'THE CROW' released in 1994 by Miramax Films, directed by Alex Proyas and starring Brandon Lee in his final film appearance as Eric Draven, who is revived by a Crow tapping on his gravestone a year after he and his fiancée are murdered in Detroit by a street gang. The crow becomes his guide as he sets out to avenge the murders. The only son of martial arts expert Bruce Lee, Brandon lee suffered fatal injuries on the set of the film when the crew failed to remove the primer from a cartridge that hit Lee in the abdomen with the same force as a normal bullet. Lee died that day, March 31st 1993 aged 28.
The symbolism of the Crow resurrecting the dead star and accompanying him on his quest for revenge was powerful, and in some part based on the history of the carrion crow itself and the original film grossed more than $94 Million dollars with three subsequent sequels following.
TAKING A CLOSER LOOK
So let's move away from legend, mythology and stories passed down from our parents and grandparents and look at these amazing birds in isolation.
Carrion crow are passerines in the family Corvidae a group of Oscine passerine birds including Crows, Ravens, Rooks, Jackdaws, Jays, Magpies, Treepies, Choughs and Nutcrackers. Technically they are classed as Corvids, and the largest of passerine birds. Carrion crows are medium to large in size with rictal bristles and a single moult per year (most passerines moult twice). Carrion crow was one of the many species originally described by Swedish naturalist Carl Linnaeus (Carl Von Linne after his ennoblement) in his 1758 and 1759 editions of 'SYSTEMA NATURAE', and it still bears its original name of Corvus corone, derived from the Latin of Corvus, meaning Raven and the Greek κορώνη (korōnē), meaning crow.
Carrion crow are of the Animalia kingdom Phylum: Chordata Class: Aves Order: Passeriformes Family: Corvidae Genus: Corvus and Species: Corvus corone
Corvus corone can reach 45-47cm in length with a 93-104cm wingspan and weigh between 370-650g. They are protected under The Wildlife and Countryside Act 1981 in the United Kingdom with a Green UK conservation status which means they are of least concern with more than 1,000,000 territories. Breeding occurs in April with fledging of the chicks taking around twenty nine days following an incubation period of around twenty days with 3 to 4 eggs being the average norm. They are abundant in the UK apart from Northwest Scotland and Ireland where the Hooded crow (Corvus cornix) was considered the same species until 2002. They have a lifespan of around four years, whilst Crow species can live to the age of Twenty years old, and the oldest known American crow in the wild was almost Thirty years old. The oldest documented captive crow died at age Fifty nine. They are smaller and have a shorter lifespan than the Raven, which again is used as a symbol in history to live life to the full and not waste a moment!
They are often mistaken for the Rook (Corvus frugilegus), a similar bird, though in the UK, the Rook is actually technically smaller than the Carrion crow averaging 44-46cm in length, 81-99cm wingspan and weighing up to 340g. Rooks have white beaks compared to the black beaks of Carrion crow, a more steeply raked ratio from head to beak, and longer straighter beaks as well as a different plumage pattern. There are documented cases in the UK of singular and grouped Rooks attacking and killing Carrion crows in their territory. Rooks nest in colonies unlike Carrion crows. Carrion crows have only a few natural enemies including powerful raptors such as the northern goshawk, the peregrine falcon, the Eurasian eagle-owl and the golden eagle which will all readily hunt them.
Regarded as one of the most intelligent birds, indeed creatures on the planet, studies suggest that Corvids cognitive abilities can rival that of primates such as chimpanzees and gorillas and even provide clues to understanding human intelligence. Crows have relatively large brains for their body size, compared to other animals. Their encephalization quotient (EQ) a ratio of brain to body size, adjusted for size because there isn’t a linear relationship is 4.1. That is remarkably close to chimps at 4.2 whilst humans are 8.1. Corvids also have a very high neuronal density, the number of neurons per gram of brain, factoring in the number of cortical neurons, neuron packing density, interneuronal distance and axonal conduction velocity shows that Corvids score high on this measure as well, with humans scoring the highest.
A corvid's pallium is packed with more neurons than a great ape's. Corvids have demonstrated the ability to use a combination of mental tools such as imagination, and anticipation of future events. They can craft tools from twigs and branches to hook grubs from deep recesses, they can solve puzzles and intricate methods of gaining access to food set by humans., and have even bent pieces of wire into hooks to obtain food. They have been proven to have a higher cognitive ability level than seven year old humans. Communications wise, their repertoire of wraw-wraw's is not fully understood, but the intensity, rhythm, and duration of caws seems to form the basis of a possible language. They also remember the faces of humans who have hindered or hurt them and pass that information on to their offspring.
Aesop's fable of 'The Crow and the Pitcher, tells of a thirsty crow which drops stones into a water pitcher to raise the water level and enable it to take a drink. Scientists have conducted tests to see whether crows really are this intelligent. They placed floating treats in a deep tube and observed the crows indeed dropping dense objects carefully selected into the water until the treat floated within reach. They had the intelligence to pick up, weigh and discount objects that would float in the water, they also did not select ones that were too large for the container.
Pet crows develop a unique call for their owners, in effect actually naming them. They also know to sunbathe for a dose of vitamin D, regularly settling on wooden garden fences, opening their mouths and wings and raising their heads to the sun. In groups they warn of danger and communicate vocally. They store a cache of food for later if in abundance and are clever enough to move it if they feel it has been discovered. They leave markers for their cache. They have even learned to place walnuts and similar hard food items under car tyres at traffic lights as a means of cracking them!
Crows regularly gather around a dead fellow corvid, almost like a funeral, and it is thought they somehow learn from each death. They can even remember human faces for decades.Crows group together to attack larger predators and even steal their food, and they have different dialects in different areas, with the ability to mimic the dialect of the alpha males when they enter their territory!
They have a twenty year life span, the oldest on record reaching the age of Fifty nine. Crows can leave gifts for those who feed them such as buttons or bright shiny objects as a thank you, and they even kiss and make up after an argument, having mated for life.
In mythology they are associated with good and bad luck, being the bringers of omens and even witchcraft and are generally reviled for their attacks on baby birds and small mammals. They have an attack method of to stunning smaller birds before consuming them, tearing violently at smaller, less aggressive birds, which is simply down to the fact that they are so highly intelligent, and also the top of the food chain. Their diet includes over a thousand different items: Dead animals (as their name suggests), invertebrates, grain, as well as stealing eggs and chicks from other birds' nests, worms, insects, fruit, seeds, kitchen scraps. They are highly adaptable when food sources grow scarce. I absolutely love them, they are magnificent, bold, beautiful and incredibly interesting to watch and though at times it is hard to witness attacks made by them, I cannot help but adore them for so many other and more important reasons.
OBSERVATIONS ON THE PAIR IN MY GARDEN
Crows have been in the area for a while, but rarely had strayed into my garden, leaving the Magpies to own the territory. Things changed towards the end of May when a beautiful female Carrion crow appeared and began to take some of the food that I put down for the other birds. Within a few days she began to appear regularly, on occasions stocking up on food, whilst other times placing pieces in the birdbath to soften them. She would stand on the birdbath and eat and drink and come back over the course of the day to eat the softened food.
Shortly afterwards she brought along her mate, a tall and handsome fella, much larger than her who was also very vocal if he felt she was getting a little too close to me. By now I had moved from a seated position from the patio as an observer, to laying on a mat just five feet from the birdbath with my Nikon so that I could photograph the pair as they landed, scavenged and fed. She was now confident enough to let me be very close, and she even tolerated and recognized the clicking of the camera. At first I used silent mode to reduce the noise but this only allowed two shooting frame rates of single frame or continuous low frame which meant I was missing shots. I reverted back to normal continuous high frames and she soon got used to the whirring of the mechanisms as the mirror slapped back and forth.
The big fella would bark orders at her from the safety of the fence or the rear of the garden, whilst she rarely made a sound. That was until one day when in the sweltering heat she kept opening her beak and sunning on the grass, panting slightly in the heat. I placed the circular water sprayer nearby and had it rotating so that the birdbath and grass was bathed in gentle water droplets and she soon came back, landed and seemed to really like the cooling effect on offer. She then climbed onto the birdbath and opened her wings slightly and made some gentle purring, cooing noises....
I swear she was expressing happiness, joy....
On another blisteringly hot day when the sprayer was on, she came down, walked towards it and opened her wings up running into the water spray. Not once, but many times.
A further revelation into the unseen sides to these beautiful birds came with the male and female on the rear garden fence. They sat together, locked beaks like a kiss and then the male took his time gently preening her head feathers and the back of her neck as she made tiny happy sounds. They stayed together like that for several minutes, showing a gentle, softer side to their nature and demonstrating the deep bond between them. Into July and the pair started to bring their three youngsters to my garden, the nippers learning to use the birdbath for bathing and dipping food, the parents attentive as ever. Two of the youngsters headed off once large enough and strong enough.
I was privileged to be in close attendance as the last juvenile was brought down by the pair, taught to take food and then on a night in July, to soar and fly with it's mother in the evening sky as the light faded. She would swoop and twirl, and at regular intervals just touch the juvenile in flight with her wing tip feathers, as if to reassure it that she was close in attendance. What an amazing experience to view. A few days later, the juvenile, though now gaining independence and more than capable of tackling food scraps in the garden, was still on occasions demand feeding from it's mother who was now teaching him to take chicken breast, hotdogs or digestive biscuits and bury them in the garden beds for later delectation. The juvenile also liked to gather up peanuts and bury them in the grass. On one occasion I witnessed a pair of rambunctious Pica Pica (Magpies), chasing the young crow on rooftops, leaping at him no matter how hard he tried to get away. He defended himself well and survived the attacks, much to my relief.
Into August and the last youngster remained with the adults, though now was very independent even though he still spent time with his parents on rooftops, and shared food gathering duties with his mum.Hotdog sausages were their favourite choice, followed by fish fingers and digestive biscuits which the adult male would gather up three at a time. In October, the three Crows were still kings of the area, but my time observing them was pretty much over as I will only put food out now for the birds in the winter months.
Corvus Corone.... magnificently misunderstood by some!
Paul Williams June 4th 2021
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©DESPITE STRAIGHT LINES (Paul Williams)
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Photograph taken at an altitude of Fifty three metres at 15:25pm on a summer afternoon on Tuesday 8th June 2021, of an adult Carrion crow (Corvus corone), standing beside some ground covering Geranium macrorrhizum off Hythe Avenue and Chessington Avenue in Bexleyheath, Kent.
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Nikon D850 Focal length 460mm Shutter speed: 1/800s Aperture f/7.1 iso250 Hand held with Tamron VC Vibration control set to ON in position 1 14 Bit uncompressed RAW NEF file size L (8256 x 5504 pixels) FX (36 x 24) Focus mode: AF-C AF-Area mode: 3D-tracking AF-C Priority Selection: Release. Nikon Back button focusing enabled 3D Tracking watch area: Normal 55 Tracking points Exposure mode: Manual exposure mode Metering mode: Matrix metering White balance on: Auto1 (4600k) Colour space: RGB Picture control: Neutral (Sharpening +2)
Tamron SP 150-600mm F/5-6.3 Di VC USD G2. Nikon GP-1 GPS module. Lee SW150 MKII filter holder. Lee SW150 95mm screw in adapter ring. Lee SW150 circular polariser glass filter.Lee SW150 Filters field pouch. Hoodman HEYENRG round eyepiece oversized eyecup.Mcoplus professional MB-D850 multi function battery grip 6960.Two Nikon EN-EL15a batteries (Priority to battery in Battery grip). Black Rapid Curve Breathe strap. My Memory 128GB Class 10 SDXC 80MB/s card. Lowepro Flipside 400 AW camera bag.
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LATITUDE: N 51d 28m 28.35s
LONGITUDE: E 0d 8m 10.48s
ALTITUDE: 54.0m
RAW (TIFF) FILE: 130.00MB NEF FILE: 90.80MB
PROCESSED (JPeg) FILE: 41.40MB
PROCESSING POWER:
Nikon D850 Firmware versions C 1.10 (9/05/2019) LD Distortion Data 2.018 (18/02/20) LF 1.00
HP 110-352na Desktop PC with AMD Quad-Core A6-5200 APU 64Bit processor. Radeon HD8400 graphics. 8 GB DDR3 Memory with 1TB Data storage. 64-bit Windows 10. Verbatim USB 2.0 1TB desktop hard drive. WD My Passport Ultra 1tb USB3 Portable hard drive. Nikon ViewNX-1 64bit Version 1.4.1 (18/02/2020). Nikon Capture NX-D 64bit Version 1.6.2 (18/02/2020). Nikon Picture Control Utility 2 (Version 2.4.5 (18/02/2020). Nikon Transfer 2 Version 2.13.5. Adobe photoshop Elements 8 Version 8.0 64bit.
Mammatus clouds formed on the backend of the storm system as it moved out of Chicago. Though if it wasn't for the lightning illuminating it, I would have never known.
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Umgangssprachlich ausgedrückt ist der Cw-Wert ein Maß für die „Windschlüpfigkeit“ eines Körpers. Es lässt sich aus dem Strömungswiderstandskoeffizienten bei zusätzlicher Kenntnis von Geschwindigkeit, Stirnfläche, Flügelfläche etc. und Dichte des Fluids (z. B. der Luft) die Kraft des Strömungswiderstands berechnen.
CW = Strömungswiderstandskoeffizient
Widerstandsbeiwert, -koeffizient,
co-effizient
W = Widerstand
Besonderheit
Im transsonischen Bereich und im Überschallbereich ändert sich der Strömungswiderstandskoeffizient stark.
In der Nähe der Schallgeschwindigkeit steigt er auf ein Mehrfaches an und sinkt bei sehr hohen Machzahlen auf etwa den doppelten Unterschall-cw-Wert.
Das Verhalten im Überschallbereich wird bestimmt durch die Geometrie des Körpers
Tropfen-Form ist günstiger als Kugel-Form.
Karmann Ghia Typ 14 Coupé Baujahr 67/68 cwWert 0,39
Karmann Ghia Typ 14 Cabriolet geschlossen Bj. 67/68 cwWert 0,38
Karmann Ghia Typ 14 Cabriolet offen Bj 67/68 cwWert 0,48
Karmann Ghia Typ 34 Coupé Bj. 67/68 cwWert 0,39
Karmann Ghia Coupé Bj 72/73 cwWert 0,38
Weshalb konnte der CW-WERT trotz Topfen-Form nicht unter 0.38
gedrückt werden?
Denn eine scheinbar strömungsgünstige Karosserieform allein reicht nicht, um solche Fabelwerte zu erzielen. Viele kleine Verbesserungen sind zusätzlich notwendig, um den Wind möglichst reibungsarm um das Fahrzeug herumzuführen.
Gebrauchsfähige Serienfahrzeuge:
de.m.wikipedia.org/wiki/Portal:Auto_und_Motorrad/Luftwide...
Heutige Top CW-WERTE sind unter 0,30, und werden nicht mehr unabhängig geprüft.
Tesla schafft 0,23 bis 0,26
Mercedes misst 0,22 bis 0.26
Das gilt nicht für Vans oder SUV.
Das sind immer Werksangaben:!!!
Doch die neue A-Klasse schafft den Spagat.
CW-Wert-von 0,22: Neue A-Klasse Limousine verbessert Weltrekord von Mercedes
Mithilfe von Lufteinlässen an der Front. Die Luft wird innerhalb der Karosserie abgeleitet.
Der Boden ist wie bei Elektroautos komplett versiegelt.
Je nach Geschwindigkeit kann die Menge der Lufteinlässe variiert werden.
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Mit ihrer windschlüpfigen Form setzt die kommende Mercedes A-Klasse Limousine eine weltweite Bestmarke für Aerodynamik bei Pkw:
Mit einem cw-Wert von 0,22 bei 2,19 m² Stirnfläche übertrifft das neue Modell alle anderen Pkw.
Damit ist der Luftwiderstand des neuen Modells sogar noch deutlich geringer als beim 2012 eingeführten Vorgänger (cw 0,26, Stirnfläche 2,20 m²).
A-Klasse stellt Rekord des CLA ein
Gleichzeitig überbietet die A-Klasse den vor fünf Jahren im eigenen Haus aufgestellten Rekord. 2013 machte das Coupé CLA von sich reden, da es als erstes Serienauto einen cw-Wert von 0,23 erreichte
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Dazu gehören Abdeckungen für den Motorraum, den Hauptboden, Teile der Hinterachse und den Diffusor.
Der Unterboden stellt sonst eine Quelle für Verwirbelungen dar.
Die Radspoiler vorn und hinten wurden so ausgelegt, dass die Luft die Räder möglichst verlustarm umströmt.
Auch bei den Felgen und Reifen fand aerodynamischer Feinschliff statt.
Optional ist ein zweiteiliges Jalousiesystem hinter der Kühlermaske erhältlich, das die Durchströmung des Motorraums minimiert.
Das reduziert den Luftwiderstand noch ein wenig
CW-WERT
0,78 Mensch, stehend
0,6 Gleitschirm (Bezugsfläche Strömungsquerschnittsfläche!)
0,53…0,69 Fahrrad (Mountainbike, gestreckt/aufrecht)
0,51 moderner LKW
0,45 Kugel (Re 6,7 · 105)
0,34
Halbkugelschale, konvexe Seite 0,09…0,18
Kugel (Re > 4,1 · 105)
0,08 Flugzeug (Bezugsfläche Tragfläche)
0,03 Pinguin
0,02 Stromlinienkörper „Tropfenform
I hand formed the hoop shapes using brass wire and wire wrapped the top using fine brass wire. Using the brick stitch technique, I wove tiny seed beads around the perimeter of the hand formed shapes, using nymo thread, a strong multifilament thread favored by bead artists. The beadwork on these earrings will not flop around as I use a firm tension in my weaving, but it is slightly flexible. Store your earrings flat when not wearing them, and I would recommend not wearing these to bathe or swim since there is thread in the design.
These earrings feature tiny size 11 and size 15 seed beads in primarily red with accents of green, pink, yellow and blue - a simple, clean, modern, geometric look.
Dimensions: The earrings measure 1.5 inches across at their widest, and 2 inches long from the top of the ear wire to the bottom of the beaded hoop. (The earrings measure 3.8 cm across at their widest, and 5.08 cm tall.)
DB Schenker Royal liveried 67006 'Royal Sovereign' approaches the newly opened Bermuda Park station forming 5T03, a Coventry to Nuneaton ECS. 28/02/16.
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Owner: @imnotjohnnytran
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Wood anemone, Warley Place
Occasionally you come across plants in the wild whose flowers open to shades of pink-mauve instead of the usual pure white. A couple of clumps in the woodland at Warley Place have flowers of palest blue. There are a couple of blue cultivars available today and so one cannot but wonder if these are the feral survivors of some variety cultivated here in the past by Ellen Willmott rather than a naturally occurring blue variant
Cheltenham & Gloucester trainer 26002 (J402 LKO)
Former East Kent DAF SB220 / Optare Delta
Stroud depot
11th September 2005.
"Architectural Form",original painting, oil on box canvas, 20x20 in, 2013, 1248 $
Limited edition prints on canvas 20x20 in
Limited edition 15
Signed and numbered by artist by hand
Price 190 $
Pay by paypal kjauniskis@yahoo.com
For more details, please, contact me
You made my whole being;
you formed me in my mother's body.
I praise you because you made me in an amazing and wonderful way.
What you have done is wonderful.
I know this very well.
You saw my bones being formed
as I took shape in my mother's body.
When I was put together there,
you saw my body as it was formed.
All the days planned for me
were written in your book
before I was one day old.
- Psalm 139 v13-16
Aloe bulbilifera var paulianae is a solitary stemless rosette forming plant with 2 foot long bright green flattened and ascending lanceolate leaves that have evenly toothed margins of the same color that look like they were cut with pinking shears. In winter appear the 5 to 7 foot long wand-like arching inflorescences that branch near the ends bearing open racemes of yellow tipped orange flowers and having small plantlets (bulbils) at the base of each inflorescence branch. This variety paulianae differs only from the species by having bulbils arising only on the main flower peduncle and not the side branches. This plant inhabits the dense rain forests of the Analamaitso Forest and moutainous Sambirano region from 1,000 to 2,600 feet of elevation in the Mahajanga Province in northwestern Madagascar. The specific epithet is from the Latin words ‘bulbilla’ meaning “small bulb” and ‘-fer’ maning to bear in reference to the bulbils that develop. The varietal name honors Liane Paulian, wife of Dr. Renaud Paulian, the deputy director of the Institut Scientifique de Madagascar, who first collected this plant.
The High Level Bridge is a road and railway bridge spanning the River Tyne between Newcastle upon Tyne and Gateshead in North East England. It is considered the most notable historical engineering work in the city. It was built by the Hawks family from 5,050 tons of iron. George Hawks, Mayor of Gateshead, drove in the last key of the structure on 7 June 1849, and the bridge was officially opened by Queen Victoria later that year.
It was designed by Robert Stephenson to form a rail link towards Scotland for the developing English railway network; a carriageway for road vehicles and pedestrians was incorporated to generate additional revenue. The main structural elements are tied cast-iron arches.
Notwithstanding the considerable increase in the weight of railway vehicles since it was designed, it continues to carry rail traffic, although the King Edward bridge nearby was opened in 1906 to ease congestion. The roadway is also still in use, although with a weight restriction. It is a Grade I listed structure.
In 1835, the Newcastle and Carlisle Railway (N&CR) Act authorised the line to approach Newcastle to a terminus at Redheugh, on the south bank of the River Tyne, close to the end of the present-day New Redheugh Bridge. The Act also authorised a crossing of the Tyne there, giving rail access to the north shore quays. The river was shallow at this point, and the bridge would have been at a low level, only 20 ft (6.1 m) above high water. The line would then have climbed to a terminus at the Spital, near Neville Street and the east end of the present-day Newcastle Central station. The climb was to be at a gradient of 1 in 22 and would have been operated by a stationary steam engine with rope haulage.
Hitherto railways in the region had had a local focus, but now the Great North of England Railway (GNER) obtained authorising Acts to build from Newcastle to York, forming part of a continuous trunk railway network to connect to London; the project was controlled by George Hudson, the so-called Railway King. At first the GNER was content to get access to the N&CR Newcastle terminus, by connecting with the N&CR at Redheugh and running over its line across the Tyne and up to the Spital. This had the advantage of avoiding a separate, and expensive, crossing of the river, but would have meant a steep descent to Redheugh as the GNER line approached on high ground from the Team Valley, only to climb once again to the Spital. Moreover, William Brandling had made known his intention to reach Newcastle from his line by running at a high level through Gateshead. On 25 April 1837, the N&CR decided to build to their south side, low-level terminus at Redheugh, but to leave the issue of the Tyne crossing open.
Richard Grainger was a developer in Newcastle, and had acquired lands at Elswick (on the north bank of the Tyne west of the proposed Redheugh crossing). In 1836, he published a pamphlet recommending a crossing of the Tyne there, and the formation of spacious railway terminal accommodation there. Drawing attention to the limited scope for extending eastwards from the Spital, and "in the event of an Edinburgh Railway also terminating in this situation, the interchange of passengers, goods, and cattle would be greatly increased".
Grainger's plan was not adopted, and the Brandling Junction Railway reached Gateshead in 1839. The GNER ran out of money and it was superseded in Hudson's railway empire by the Newcastle and Darlington Junction Railway, which opened its line using the Brandling Junction Railway from the south east instead of through the Team Valley. The Brandling Junction line had a terminus in Gateshead at Greenesfield at a high level, and the N&CR line was built climbing on an inclined plane at a gradient of 1 in 23 from Redheugh to reach that. The Newcastle and Darlington Junction Railway opened its line from the south to Pelaw, allowing its trains to reach Gateshead over the Brandling Junction line, in 1844. The tables had been turned, and indeed for a while Greenesfield was the de facto main station for the conurbation of Newcastle and Gateshead.
John and Benjamin Green were a father and son architectural practice active in Newcastle. In 1841 Benjamin Green had proposed a high level bridge for road traffic, substantially on the alignment of the actual High Level Bridge; and sensing the commercial climate he explained how it could be adapted for railway use. He failed to get any financial support, but in 1843 George Hudson was looking for ways to extend his railway network northwards, and the Greens' scheme fitted with his takeover of the Newcastle and Darlington Junction Railway; the line got its authorising Act on 22 May 1844, and the Act included the road bridge.
The Newcastle and North Shields Railway had opened in 1839 from its own terminus at Carliol Square, on the north-east edge of Newcastle. As a purely local concern, the disconnection was not important, but interest gathered in a railway to central Scotland; the "Edinburgh Railway" foreseen by Grainger. A Scottish concern, the North British Railway, had got its Act of Parliament the previous year to build as far south as Berwick (later known as Berwick-upon-Tweed.
Now Hudson was intent on capturing the line to Edinburgh for his empire, and he encouraged the development of railway plans to get there; the route such a line might take continued to generate considerable controversy. There was still ambiguity about Hudson's intentions for the bridge—an easier crossing point at Bill Quay, two miles downstream had been considered—and Newcastle Town Council sought undertakings from him. In addition, he promised a footway crossing; this was apparently not a sweetener to the Town Council, but a commercial decision, expected to bring in £250 a week. The footway crossing was later extended to include horse-drawn vehicles.
Finally, the Newcastle and Berwick Railway was authorised by Act of Parliament of 31 July 1845. The line would cross the Greens' high level bridge, starting from the Gateshead Greenesfield station, and commitments made to the building of a bridge by the Newcastle and Darlington Junction Railway were transferred to the Newcastle and Berwick Railway.
The bridge was to be designed by Robert Stephenson; T E Harrison did the detailed design work.
The height of the railway, at about 120 ft (37 m) above high water, was determined by the level of the Brandling Junction line in Gateshead. A double-deck configuration was selected because of road levels on the approaches, and to avoid the excess width of foundations which a side-by-side arrangement would require. The deck width was determined by the useful roadway width plus the width of structural members, which gave the railway deck the width for three tracks.
The foundations were to be difficult because of the poor ground conditions in the river, and this ruled out an all-masonry structure, so cast iron or wrought iron was inevitable for the superstructure. A tied arch (or bow-string) design was favoured because the outward thrust imposed by an arch is contained by the tie; no abutments capable of resisting the thrust could be provided here.
Stephenson had used this configuration before; he recorded that, "The earliest railway bridge on the bowstring principle is that over the Regent's Canal, near Chalk Farm, on the London and Birmingham Railway".
The arch would consist of iron ribs. Fawcett says, "The reasons for not using wrought iron was due to some engineers' distrust of rivetting, the relatively small size of wrought iron plates then available, and the higher cost… On 1 October 1845 when the Newcastle and Berwick Board instructed T E Harrison for their bridges, none of the uses of wrought iron had been developed far enough to be considered as an alternative to cast iron for the High Level Bridge. A tubular bridge might have been considered by Robert Stephenson but the distance between solid and reasonably shallow foundations would have given a span much larger than the Britannia Bridge."
The depth of rock in the riverbed resulted in a height of 140 ft (43 m) from there to the superstructure. Three river piers were permitted by the Tyne Improvement Commissioners, and therefore four river spans of 125 ft (38 m) were decided on; there were additional subsidiary spans on the shore.
The cast iron arch ribs are 3 ft 6 in (1.07 m) deep at the crown, increasing to 3 ft 9 in (1.14 m) at the springing, with 12-inch (30 cm) flanges; the flanges and webs were three inches thick; in the case of the inner ribs, and two inches for the outer ribs. The rise was 17 ft 6 in (5.33 m), determined by the desired geometry to confine the horizontal thrust within bounds. Each arch was cast in five sections, bolted together.
Stephenson described the tie bars:
The ties consist of flat wrought-iron bars, 7 inches by 1 inch of best scrap iron, with eyes of 3½ inches diameter, bored out of the solid, and pins turned and fitted closely. Each external rib is tied by four of these bars, and each internal rib by eight. The sectional area of each external tie is 28 [square] inches, and of each internal tie 56 [square] inches, giving a total area of 168 square inches. These bars were all tested to 9 tons on the square inch.
The rail deck is supported above the arches by twelve 14-inch (360 mm) square columns at 9 feet 11 inches (3.02 m) centres. Suspension rods supported the road deck, and both decks had two layers of diagonally laid three-inch deck timbers on suitable wrought iron cross girders (and rail-bearers in the case of the rail deck).
The main contractors for the ironwork were Hawks, Crawshay, and Sons, who were assisted by John Abbot and Co., of Gateshead Park Works, and Losh Wilson and Bell, of Walker Ironworks, in the production of the castings. The tender was accepted at £112,000. The contract for the bridge piers and land arches and for the Newcastle Viaduct were won by John Rush and Benjamin Lawton of York for £94,000 and £82,500 respectively. The total cost of the contracts at 1999 prices would be over £30 million.
The first masonry was laid on 12 January 1847. A temporary timber viaduct on the east side was ready on 20 August 1848.
Timber coffer dams were constructed; they were 76 ft 6 in (23.32 m) by 29 ft (8.8 m) with two skins, the space between being filled with puddle clay. James Nasmyth had a novel design of steam pile driver; it had first been used in Devonport Docks in 1845; it could deliver 60 to 70 blows a minute; the cycle time with the hand-operated pile drivers formerly in use was four minutes. The drop weight was 1½ tons and its stroke was 2 ft 9 in (0.84 m); one was purchased from Nasmyth.
The ground gave considerable trouble during construction; Stephenson recorded:
Many difficulties occurred in driving the piles which considerably retarded the progress of the work, and, among others, the peculiar effect of ebb and flow during this operation is worthy of note. At flood-tide, the sand became so hard as almost totally to resist the utmost efforts of driving, while at ebb the sand was quite loose, and allowed of doing so with facility. It was therefore found necessary to abandon the driving on many occasions during high water. The difference between high and low water is 11 feet 6 inches. Another difficulty arose from the quicksands beneath the foundations. Although the piles were driven to the rock bottom, the water forced its way up, baffling the attempts to fill in between them; this, however, was remedied by using a concrete made of broken stone and Roman cement, which was continually thrown in until the bottom was found to be secure.
The arch ribs were erected in section by travelling crane; each arch was temporarily erected at the contractor’s works. The first was placed on 10 July 1848, and the erection of the ironwork was quick.
Already on 29 August 1848, it was possible to pass a special train over the first arch, and over a temporary structure for the rest of the crossing:
The High Level Bridge Over the Tyne: This important junction between the York and Newcastle and the Newcastle and Berwick Railway has been completed, and the event was celebrated on Tuesday last. In the afternoon of that day, a train of [specially invited] passengers passed along the temporary timber viaduct from the station at Gateshead to the station at Newcastle. Mr Hudson and several other Directors of the York, Newcastle, and Berwick line, who had been visiting Sunderland ... proceeded in a special train from that town to Gateshead... Several carriages were then added to the special train, and an open truck placed at each end, in which bands of music were stationed. The shrill sound of the whistle gave the signal for a royal salute, under the booming of which the train passed along the line, the band playing, and the thousands assembled to witness the event, rending the air with joyous acclamation Upon reaching the bridge, the bands struck up the well-known local air of "The Keel Row" which they continued till the train had reached the solid ground on the northern side of the river... The train proceeded to the Newcastle and Berwick station, where the company alighted and walked in procession to the Queen’s Head Inn, where a magnificent entertainment had been provided for the Directors and their friends, by the Mayor of Newcastle.
[From the south abutment of the High Level Bridge] and the river pier on the south side, the cast iron arch and road-way are nearly completed, and the second arch will be in progress in the course of a few weeks. From the middle of the first arch, the line curves to a temporary timber viaduct erected along the west side of the intended bridge. The height of this viaduct is one hundred and twenty feet to the level of the rails; it is built upon piles, which are driven between thirty and forty feet into the bed of the river. Its stability was sufficiently tested on Monday, when Captain Leffan (sic), the Government Inspector of Railways, examined it preparatory to the opening. On that day, two powerful engines weighing upwards of seventy tons, traversed it at different degrees of speed for between two and three hours; the weight would be about one ton to a foot, being four or five times greater than the temporary structure will ever be required to bear, and the result was, in the highest degree, satisfactory.
Among the company in the train were four ladies, who are deserving of honourable mention, from the courage they displayed in accompanying it, namely, Mrs Nichs. Wood, and Miss F. Wood, Mrs I. L. Bell, and her sister, Miss Pattinson of Washington. As the train passed steadily over the bridge the anxiety of the immense multitude seemed intense, and the scene was truly exciting, yet fearful—not only from the lofty eminence occupied by the train but, from the apparent narrowness and nakedness of the platform on which it rolled along. It seemed from its noiselessness, rather an aerial flight, than the rattling sweep of the iron horse.
Ordinary traffic appears to have used the temporary single line structure after this date.
The eastern track was ready for an inspection by Captain Laffan, Inspecting Office for the Board of Trade, when he visited on 11 August 1849; a load test with four tender locomotives and eighteen wagons loaded with ballast, a total weight of 200 tons. Laffan approved the bridge:
I believe all the works of the bridge are completed, and that I believe it to be perfectly secure and safe. The Company have as yet only laid one line of rails over this structure, and I beg to recommend that permission be given to open that one line.
The first passenger train crossed the completed structure on the morning of 15 August 1849.
Queen Victoria formally inaugurated the bridge on passing through by train on 28 September 1849.
The Queen at Newcastle: Her Majesty yesterday honoured this ancient borough with her presence. The event was one of universal and all-engrossing interest... The morning, unfortunately, was dull and the weather unsettled, giving forebodings of a wet and uncomfortable day... Notwithstanding, however, the unfavourable weather dense crowds assembled at every spot in this locality, where a view of the royal carriage could be obtained, and many remained for hours exposed to the weather in order that they might retain the places which at an earlier period of the morning they had secured. The bridge was densely lined with people, and the platform was well covered, though not inconveniently crowded. A profusion of banners were displayed on this elegant and substantial structure, and from nearly all the public and many of the private buildings both in Newcastle and Gateshead. The vessels in the river hoisted their flags mast-high on the occasion, and the church bells of the two towns rung many a merry peal in honour of the royal visit... Pursuant to a request issued by the Mayor, most of the shops were closed about 11 o’clock, and the manufacturers were desired by our worthy chief magistrate "not to produce smoke between that hour and one," with which we believe, they generally complied... At precisely twenty minutes past twelve, the royal carriage appeared in sight, and when it reached the Spital, a splendid locomotive, built by the celebrated house of Stephenson and Co., gaily decorated and bearing on its front "God save the Queen" surmounted by a crown, and a suitable inscription encircling the boiler, was attached to the train. It then slowly proceeded to the centre of the colossal fabric, amidst bursts of loud and rapturous cheering from the assembled thousands, her Majesty repeatedly acknowledging these marked demonstrations of loyalty and affection from her faithful and attached subjects.
The Mayors of Newcastle and Gateshead presented a formal address. The queen travelled in the royal carriage belonging to the London and North Western Railway.
In other carriages were members of her Majesty’s suite and the directors of the York, Newcastle, and Berwick Railway. The engine drawing the royal train was under the direction of Mr T. E. Harrison, the resident engineer, and driven by Mr Thos. Carr... After staying altogether from five to ten minutes, the train was again put in motion, and amidst firing of artillery and rapturous plaudits from the dense throng, proceeded en route to Darlington.
The bridge and its immediate approaches had cost £243,000.
The road deck was re-opened only in a southbound (towards Gateshead) direction and carries only buses and taxis; the one-way operation is required because of width considerations after protection to the structural members was inserted. Pedestrians and cyclists use the bridge freely. Railway traffic continues in full use of the bridge, although the majority of mainline trains use the King Edward VII bridge for reasons of convenience.
Spring form, Zebra Swallowtail (Eurytides marcellus). Patuxent Research Refuge, Anne Arundel County, Maryland.