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Twitter: twitter.com/kokehtz
Telescopio: Takahashi FSQ106EDX (f/5)
Montura: Takahashi EM400 Temma2
Cámara: CCD Atik 16200 mono
Filtros: Ha 7nm
Rueda: SX USB Filter Wheel 5x2"
Guiado: Lunático EZG-60 + SXLodestar
Enfoque: RoboFocus + AstroMatic (ftorrev)
Adquisición: AstroMatic (ftorrev)
Procesado y apilado: PixInsight Core + PS
Ha: 9x600s bin1
Pioz, España (05/07/2018)
Without a shutter, the image sensor captures, in intervals, the rotation of the propeller for a VERY cool effect!
This titanic terror is transfixed on traumatizing tens of thousands...not really, he's honestly just looking for a good time, has a nice personality and is a Sagittarius.
12" tall...and if you're seeing a wild, color background - yep, *cinnamon shot it!
16-5839 flying circuits at RAF Mildenhall, Suffolk.
Model: MC-130J Hercules Commando II
Manufacturer: Lockheed Martin
Year built: 2017
Construction number: 382-5839
USAF serial number: 16-5839
Operator: 67th. SOS, 352nd. SOG
Flight crew: 2
Crew: 1 x Combat Systems Officer, 2 x Loadmasters
Length: 97 ft. 9 in. (29.3 m)
Height: 38 ft. 10 in. (11.9 m)
Wingspan: 132 ft. 7 in. (39.7 m)
MTOW: 164,000 lb. (74,390 kg)
Engines: 4 x Rolls-Royce AE 2100D3 turbo-prop
Engine output: 4 x 4,591 hp (3,424 kW)
Propellers: 4 x 6 bladed, fully feathering, reversible, composite
Speed at 22,000 ft. (6,705 m): 362 knots (416 mph - 670 km/h)
Service ceiling with 42,000 lb. (19,050 kg) payload: 28,000 ft. (8,535 m)
Unrefuelled range: 2,607 nm (3,000 miles - 4,830 km)
With a tug, the slack is taken out of the tow-line and the Grob G103a Twin II sailplane aligns for takeoff. There is no radio aboard, but a signal by cycling the tail rudder from side to side alerts the pilot of the Pawnee AgCat tug that you’re ready to go. 260 horses from the tug’s engine is more than adequate to pull both aircraft to the separation point at around 3000 feet AGL (Above Ground Level). The Grob’s efficient design actually has it airborne within seconds, way faster than the powerful AgCat tow plane as it claws for speed down the narrow runway at the Whitsett, North Carolina, glider park... it’s that efficiency that you count on as you cut away from the tug. The tow pilot angles down and left, while you rise up and right. The air smooths out and so does the ride out from behind the backwash of the tug’s propeller, but it’s not time to sit back just yet. The first order of business is situational awareness... to take note of where you’re at and what’s around you. Next, trim the aircraft for best rate of climb... then look for some rising air. There is no electrical system aboard the Grob, but its instrument panel is complete with artificial horizon, altimeter, airspeed indicator, clock, compass, and vertical airspeed indicator... that’s the instrument that glider pilots rely on to find the rising air that takes them to their ultimate destination... up!
There is yet another important instrument that helps to get you up there, but it’s not in the panel... it’s a three-inch string attached to the front center of the canopy. If you’ve trimmed the craft properly, that string flows straight back from the canopy... if it flows left or right from center, you’re side-slipping, which is an excellent way to lose altitude. After trimming the aircraft to its most efficient profile, I look to another indicator for “best flight” that isn’t to be found in the cockpit... circling buzzards. Buzzards have an innate ability to find thermals, shafts of rising air that keep them aloft for hours. Some of the best lifts I ever got were from taking cues from some of nature’s most prolific flyers. The airframe of a sailplane like the Grob is so effectual that they will easily go to the upper limits of thermals. Around these parts, that’s usually around 10,000 feet AGL, though there are areas here in the states where thermals can reach 20,000 feet or better... and that can be dangerous.
Thermals not only rise... they also track across the landscape, and sometimes pretty fast. The highest I flew in these parts was around 9,000 feet. I often had to hop from thermal to thermal to stay within sight of Whitsett. You didn’t want to be too far away, especially in conditions of sinking air. The destination was always up, but journey’s end was always safely stopped at the park... “journey’s end” is critical in an unpowered aircraft... part of the skill in flying it was putting it back where you found it. That was always on my mind, but so was going up, and it never seemed high enough. My question to myself on nearly every drive home after a flight was how high is high enough?
There are many conditions in life where people accept poor standards of belief, especially when it’s just within themselves, where they strive and claw to the stratosphere only to find there’s nothing there... their expectations let them down. I've listened to skeptics who rely on their place in life as a random collocation of atoms... that's an even worse condition, as it leaves one with no understanding to even reach for the top, much less knowing when they have.
Even while flying the Grob, I realized the joy was in the journey, not in the heights. This image was taken the same morning as that of my last post. It gives a better view of the overall wildness of Linville Gorge from the tip rocky ledge of Hawksbill Mountain. Where I’m standing is about 4,000 feet (1220 meters) above sea level, looking over a remote landscape that stretches to the coming morning... and it makes me appreciate that there are times that the highest you need to go may be exactly where you are... particularly if it takes you to a beautiful place. After a night of rain, mist retreats to morning... there's hope in that.
The pink flowers here are Carolina rhododendron separated by blueberry bushes that are also in bloom... you can see them here, a pinkish white and rather small bell-shape.
View On Black RECOMMENDED!
If you click, "All Sizes" above the photo and view this large, you can see many signatures on the right-most blade. Talk about neat stuff you can find with your camera!
View this shot on my blog.
Today in Georgetown, TX, the EAA was flying their B-17 out of the local airport. I just happened to see it as I was out trying to get some landscapes, but this looked way more interesting. This is a shot of the propeller on engine #1 I believe.
You can see more of their beautiful plane at their website.
I saw this fenced propeller while walking to the Merseyside Maritime Museum in Liverpool, England, but had no idea what it was or why it would be there. Approaching it, I saw a sign that identified it as one of the propellers from the RMS Lusitania. I was mesmerized by what I saw, and spent about 5 minutes beside it. I don't think that anyone else came by to see it during the time that I was there.
A sign beside the propeller reads as follows:
"This propeller was one of four from the Liverpool based passenger liner RMS Lusitania (1907). She sailed between Liverpool and New York until she was torpedoed by the German submarine U-20 on 7 May 1915 with the loss of 1,201 lives. Lusitania and her sister ship Mauretania were owned by Liverpool's Cunard Line and carried passengers and mail on regular services to the USA. Lusitania held the Blue Riband for the fastest crossing of the Atlantic by a passenger vessel, making the journey in under 4.5 days. This propeller was fitted in 1909 to improve her speed*.
Lusitania continued her transatlantic run after the outbreak of World War I until she was torpedoed and sank in under twenty minutes, off the coast of southern Ireland. People were outraged by the deliberate targeting of a passenger ship and Lusitania's fate still causes controversy today."
*Lusitania originally had three-bladed propellers, per the sign.
The following information appears on the website of the nearby Merseyside Maritime Museum:
"This 15 ton, four-bladed propeller is one of four which drove the Cunard liner Lusitania across the Atlantic on her tragic final voyage in May 1915. It was the most complete of the three salvaged from the wreck off Southern Ireland in 1982 and was purchased by the Merseyside Maritime Museum in 1989. The propeller has been displayed on the museum’s historic quaysides ever since. Each year on 7 May, the anniversary of the sinking of the ship by the German submarine U-20**, a service of commemoration is held at the propeller for the 1200 victims of this incident."
**I've read elsewhere that the U-20 was used to sink 36 other ships. In 1916, it went aground after sustaining engine damage, and was destroyed by its crew.
The inspiration for this lies in the amazing 120° propeller-based chassis of Joeri Ridder's recent minimalist rover.
I wanted to see if I could do something with that geometry using bars and clip joints for a finer greebly build.
(ie steal it and then add a ton of antennas and dishes, as is the way.
Really happy with how it's come out.
It's digital—but no cheats, so totes buildable. I might even get on Bricklink and do it.
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Febrovery takes a while to leave the system
A refold of my older design, Stacked Propellers Tessellation. There is a similar pattern designed by Ilan Garibi, called Bagan or Pagodas.
The light of the setting sun brought a golden glow to the propeller of a fishing boat that was being repaired in Yarmouth. The photo has been copied and mirrored to create this symmetrical image.
MALAGA, SPAIN-MAY 28: Helicopter Westland SH-3D/W Seaking of the Spanish Navy taking part in an exhibition on the day of the spanish army forces on May 28, 2011, in Malaga, Spain
Another view of my Stacked Propellers Tessellation refold. There is similar pattern designed by Ilan Garibi, called Bagan or Pagodas.
This shows one of the four bladed propellers of the Mauretania, manufactured by Wallsend Slipway & Engineering Company Limited (as can be seen on one of the blades to the right).
The Mauretania was built by the shipbuilders Swan Hunter and Wigham Richardson Ltd, at the Wallsend shipyard and was one of the most famous ships ever built on Tyneside
Ref: TWAS:DS.WS/143/2/5/A346F
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