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66171 brings up the rear of 6K01 as it heads through the station at Thornhill (closed 1965) with a from Kilwinning to Carlisle engineers.
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Arkus-Duntov and his engineers began a mission to meet the challenge of the purpose-built sports racers of Europe and the Shelby Cobra in the U.S.
The 1963 production RPO Z06 "racer package", as sold to several proven members of the sports racing community, demonstrated the potential of the Stingray in competition.
Unfortunately, it also revealed two major deficiencies. The production Corvette weighted in at over 3100 lbs., 50% more than the competition. The excess weight also aggravated the problem of the ineffective and unpredictable drum brakes of the Z06.
[Courtesy: James L. Jaeger Collection]
First 1963 Z06 - The MacDonald Racer
Already on the drawing board at Chevrolet Engineering was the answer, a built-for-racing specialty car, using all available lightweight materials and four-wheel disc brakes. Corvette’s sophisticated 4-wheel independent suspension and the horsepower advantage of the large-displacement American V-8 completed the package.
Even with the approval of Chevrolet head, Bunkie Knudson, the project began in secret. GM corporate policy still respected a 1957 Automobile Manufacturers Association ban on direct involvement in racing activity. The planned production of 125 cars (to satisfy FIA homologation requirements for endurance GT racing) would be sold to amateur race teams outside GM to skirt the AMA ban.
[Courtesy: GM Archives]
Corvette Grand Sport - Original configuration (circa 1962)
As the five original prototypes were built, saving weight was a primary goal from the outset. The production car’s steel "birdcage" was replaced by a similar unit fabricated from aluminum. Transparently thin, single-layer, hand-laid fiberglass body panels were bonded to the new birdcage. Stamped steel wheels were replaced with cast magnesium wheels. Lightweight aluminum castings saved even more weight in the steering gear box and differential housing. The five prototypes were completed and Chevrolet submitted a homologation application to the FIA.
For more information on the differences between a production Corvette and a Grand Sport read a paper distributed at the 2003 Amelia Island Concours entitled, "1963 Corvette Grand Sport, Not Just Another Corvette".
Arkus-Duntov took Grand Sport #001 to Sebring in December of 1962 for testing. Since the 377 cubic inch engines being developed for the Grand Sports were not yet ready the car used a modified production L84, fuel-injected 327 engine. The disc brakes proved to be a problem (larger, vented rotors would ultimately be fitted) but, having run within seconds of the track record, the testing program was deemed a success.
News of the Sebring test reached GM’s Chairman Frederic Donner and in January of 1963 word came down that all racing efforts were to be stopped. The FIA application was hastily withdrawn when GM canceled all racing programs, having decided to follow the 1957 AMA anti-racing resolution to the letter.
While all factory racing efforts were officially dead, Grand Sport #003 was loaned to Dick Doane and G. S. #004 to Grady Davis for racing in SCCA events. Lacking factory support, their results were mixed, but, after many modifications, Davis, with Dr. Dick Thompson at the wheel, was able to take #004 to an overall victory at the August, 1963 SCCA Nationals at Watkins Glen. Since both cars resembled production Corvettes and were fitted with production engines, little notice was taken. Both cars were returned to Chevrolet in October, 1963.
After their return, Grand Sports #003 & #004 and un-raced sibling #005 were reworked to reflect lessons learned on the track. Slots and vents were opened up in the bodywork for increased cooling of the brakes and differential. New, wider 9½ inch wheels and tires were fitted resulting in the addition of the Grand Sport "trademark" fender flares.
[Courtesy: GM Archives]
Corvette Grand Sport - Flared fender (circa 1963)
[All-aluminum 377 C.I. engine]
Corvette Grand Sport - 377 C.I. Engine
Most significantly, the engine that Arkus-Duntov had originally planned for the Grand Sports was finally ready...
This 377 cubic inch small block was fed by four 58mm Weber carburetors through a special aluminum cross-ram manifold. The engine was said to produce 485 horsepower at 6000 rpm.
In December, 1963, three of the Grand Sport Coupes (#'s 003, 004 & 005) were shipped to Nassau for the annual Speed Week. Texan John Mecom fronted the "private" team entry. Co-incidentally, several Chevrolet engineers were noted as taking vacations in the Bahamas that year.
The two Grand Sports entered in the Tourist Trophy race on Sunday at Nassau qualified well, second & third on the grid, but both dropped out during the race with over-heated differentials. Differential coolers were provided by one of the "vacationing" engineers who just happened to be carrying some in his luggage and were fitted to the three coupes in time for the Governor's Cup race on Friday.
With the modifications, race results blossomed. In Friday's race the Grand Sports finished third, fourth & sixth, well ahead of the Cobras. The two Grand Sports entered in the final race of the week, Sunday's Nassau Trophy, finished fourth and eighth, again leaving the Shelbys far behind.
Back in their Warren shop, the engineers began work to solve the remaining problems uncovered in the Nassau Speed Week events. Air pressure build-up in the engine compartment of the Grand Sports had required the hoods be taped to prevent their departure. This pressure combined with the large frontal area and high profile of the coupe body to aggravate the alarming tendency of the Grand Sport to lift the front end at speed.
In preparation for the Daytona endurance race in February of 1964, Arkus-Duntov’s engineers converted Grand Sport coupe #’s 001 & 002 to roadsters by amputating their roofs to reduce their profile and frontal area. Special louvered hoods were also fitted to relieve the engine compartment pressure problem.
Unfortunately, these modifications proved to be the last applied to the Grand Sports by Chevrolet Engineering. The Nassau successes and their attendant publicity again brought the Grand Sport project to the attention of General Motors’ corporate brass. And again, the bosses disclaimed any corporate involvement in racing and ordered the cars destroyed. Insiders at Chevrolet immediately whisked the three coupes off to private hands, where they met with modest racing success in subsequent years. The two roadsters remained hidden inside the Chevy labyrinth in Warren, Michigan. They surfaced only for rare car show appearances before being sold to Penske in early 1966.
All five Grand Sports exist to this day.
You are sitting in the engineers seat on PRR 5878. You are waiting for the outbound passener to make his station stop at Englewood. Once he clears you can make your passenger stop and then proceed to Chicago's Union Station.
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This is the last of my recent back country treks. I just dumped the few shot on my drive. The farmer's sense of engineering was sadly lacking when compared to other ditches. It is up near the Foothills Highway. The Arapahoe Indians used to while the winters in the mouths of the streams that poured from the Rockies because camps there provide a bit of shelter especially from a winter gale. This spot is a bit less protected, being a bit out on the planes.
I adjusted the horizontals and verticals as much as I could. Hard to tell what the idea was behind it in the first place. I suspect a straight ditch might have served equally as well in this instance. I suppose that dates this ditch to older manual labor days when the head of the ditch was dug then left to see where it wandered. Must have been no planning at all! The attraction is in the mystery.
Afternoon lighting seems to have taken on the urgrncy of an approaching winter here in the Front Range area of the Rockies. It took a dive on the return to daylight savings. The Indian's are now in charge of their tricky little summer.There will once again be a couple of months before the days start to stretch and we have to suffer February. Ah, the National Western Stock Show and Rodeo in February will take on new meaning next year because all the bigs have a new toy to fight over.
It's a good thing town is quickly dispatched on west Ninth and I can find the leftover scenes. I got to search some more venues! Maybe we can hit the Christmas steam up over at the Colorado Rail Road Museum in Golden, I th\ink Eddie said it was December 10th and that sounds early so I should check with the CRRM.ORG website. Eddie said they would be running #346 because RGS #20 is not yet back from it's total rebuild out east. I guess that will be off the possible shots list. Eddie will be a pest after he sees the museum for the first time ever. They do railroad modeling over there but they prefer modeling at a 12inches to the foot scale. Area fans ought to make the trek; take your camera, empty and ready to go!
I wonder if a brown trout has slid down the ditch and has take up residency in a likely spot. John Gierach says this is possible and I for one, believe it. I had expected to get a lot higher viewings for this shot and better rating from J.D. Prowers but I only had a little bit of cash for their payoff!
Divers from the Army's 74th Engineer Dive Team get prepared to go in the water by the east quay wall at New York District's Caven Point Marine Terminal as part of training exercises conducted there. The exercises benefited the 74th in that they got practical experience with pier inspection and maintenance, while Caven Point benefited from the actual work. (photo by Chris Gardner, New York District public affairs)
2018 Tauber Colloquium
Photographer: Philip Dattilo
Rights: © 2018 Regents of the University of Michigan. ALL RIGHTS RESERVED.
(734) 647-0308. Tauber.umich.edu
Engineers move the upper dome assembly of the CST-100 Starliner Structual Test Article onto a workstand inside the Commercial Crew and Cargo Processing Facility at NASA's Kennedy Space Center in Florida. Photo credit: Boeing
Barefoot solar engineers under training at Barefoot college. After six months hard training they will return to electrify their home villages. Ajmer, Rajasthan, India.
Ohio Central engineer Scott Czigans has one hand on the throttle and another on the brakes of FP9A No. 6307 as it glides along the former Pennsylvania Railroad Pittsburgh-St. Louis mainline near West Lafayette, Ohio. (Scanned from a slide)
Last edited on May 14, 2021
Above figure is a mosaic of microscopic images taken by NASA's Mars rover Curiosity on June 1, 2019 (Sol 2424).
The mosaic shows a spot called "Woodland Bay" in the clay-bearing unit in Gale Crater, Mars.
In the mosaic, white boxes mark countless wood cell remains. Well-preserved wood cell remains are detailed in www.flickr.com/photos/fossil_lin/48065923301/in/dateposte...
Compare them with wood cells on Earth: www.flickr.com/photos/fossil_lin/albums/72177720296071690.
Above mosaic in the largest size: www.flickr.com/photos/fossil_lin/47990831822/sizes/o/
No geological material resembles the "wood cell remains on Mars".
For scale bar and context, see www.facebook.com/marscuriosityimages/photos/pcb.281404741...
Information and source of above mosaic: www.unmannedspaceflight.com/index.php?s=&showtopic=84...
Location: mars.nasa.gov/imgs/2019/06/Curiosity_Location_Sol2432-ful...
Note 1: see wood anatomy at careforwood.wordpress.com/wood-anatomy/
Note 2: micrograph of tracheids: www.flickr.com/photos/fossil_lin/50735510621/in/dateposte...
Added on April 25, 2021: Above mosaic shows engineered wood tissues.
Above mosaic shows countless wood cell remains. They include different types of wood cells. So, they were wood tissues. These wood tissues do not show any shape of plants or logs or trunks. So, the wood tissues should be engineered wood tissues. Earthlings made many types of engineered wood: en.wikipedia.org/wiki/Engineered_wood
Added on May 14, 2021:
Note 1: No sand grains have the shapes of wood cells. Air or wind or water does not form the shapes of individual wood cells (see careforwood.wordpress.com/wood-anatomy/ ).
Note 2: Complex organic molecules are all over Mars (see www.foxnews.com/science/nasa-rover-lands-on-mars-building... ).
Geological instruments cannot detect complex organic molecules.
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Ukrainian combat training center engineers detonate an explosive charge to breach a door before entering a mock building as part of training with Canadian and U.S. engineers to build The Ukrainian's breaching skills, at the International Peackeeping and Security Center, Near Yavoriv, Ukraine, on Feb. 24, enabling them to teach those skills to Ukrainian army units who will rotate through the IPSC. (Photo by Sgt. Anthony Jones, 45th Infantry Brigade Combat Team)
With a Warp Energy Condensor and Doom Rocket ... of course! I used the front crew rat from the Island of Blood Warp Fire Thrower as the body, head from the Doom Wheel crew, the condensor from the Warlock in the Island of Blood ... green stuff, wire. Fun model and fun in game.
Engineers work during a full mission dress rehearsal for the Low-Density Supersonic Decelerator (LDSD), Friday, May 29, 2015, U.S. Navy Pacific Missile Range Facility (PMRF) in Kauai, HI. The LDSD crosscutting technology demonstration mission will test breakthrough entry, descent and landing technologies that will enable large payloads to be landed safely on the surface of Mars. Photo Credit: (NASA/Bill Ingalls)
Riff, PD#18245, a land art monument celebrating 100 years of the Zuiderzee Act
A collaboration of artist Bob Gramsma and engineer WaltGalmarini AG
Riff, PD#18245 is a site-specific work, a Land Art monument. The tectonic work looks like it is emerging from the natural-cultural landscape and, at the same time, helps to frame it. A mound of soil was heaped up on a foundation of slanted pillars. Large cavities were dug into the mound and then cast in concrete, thus creating an inverted sculptural reproduction of the void in the mound. Afterwards, the mound was removed, and the concrete sculpture cleaned of loose soil and sand. The result is a large-scale work, supported by three stalactite-shaped concrete volumes and the pillars of the foundation, which are partially visible. The monument is in context with the horizon, the landscape and the sunset. A stairway leads up to the top of the structure, inviting visitors to overview its surface.
The process of digging uses the labour of construction to create traces of landscape – space without architecture. The sculpture re-interprets the material and historical conditions of the site. The slightly slanted volume echoes characteristics of the Polder, like dikes, ditches, canals, plots, embankment, drainage, extraction, renaturation and depilution (vertical segregation). At the same time, Riff, PD#18245 also appears foreign in this environment – a hull resting on slanted pillars, aligned with the dikes. It is reminiscent of other interventions in this particular landscape: water management, flood protections, the signs of the transition from fishing to agriculture, and the renaturation of the landscape. It literally emerges from, and melds into, the artificial topography, the geology, the IJsselmeer polder and the Zuiderzee bed.
At the same time, Riff, PD#18245 is a trace of the artistic and the production process, outlining an interstice between the present and the past. The trace as an index of the working process creates a nexus between time and spatiality. The monumental blueprint of an excavation, which has long since disappeared, turns into a poetic sculpture, a hollow resonant body with a natural patina growing over time. Riff, PD#18245 looks southwest westward across the renatured land in the direction of the sunset and the amusement parks, providing a visual link to the Veluwemeer and the Flevopolder, the largest man-made island and its physical vastness.
Riff, PD#18245 becomes a space for the audience to project, or to reanimate, their understanding of the site, its history and its present. The sculpture is at once a tool to reflect on history and an incitement for the viewer to dream those stories. It is a way of visualizing both absence and presence, a sculpted ghost, or spirit, that opens up a new space for rethinking the relationship between material and memory. It is a residue of memory, honouring the past, while serving the present. By means of the elemental exposure of the earth, the missing cast, and the past that it encapsulates, we are reminded that earth and its history — as well as the cosmic forces or energies shaping it — are beyond human intelligibility. But we can try to understand, or appreciate, their unfathomable presence in time as we access this exhumed vestige.
Production
After creating a foundation by driving piles deep into the ground, a huge mound (70 x 40 x 7 m, 15.000 m3) was heaped up on top of it, consisting of sand and clay from the agricultural land and from the bottom of the Zuiderzee on the site. A wide sinkhole, reaching 2 m under sea level, and two narrow deep pits, reaching down to the level of the pillars, were dug into the mound. Reinforcement structures were built, and concrete poured and pneumatically projected into the cavities to produce an inverted sculptural reproduction of the empty space. After the concrete had dried, the heaped-up soil was bulldozed away and returned to build the new environment for the New Nature Programme. An immersive sculpture, whose platform hovers above the ground, is revealed. A small staircase cuts into the platform. The piece is approx. 37,5 m long, 13 m wide and 7 m high.
Using the local soil as false work, as well as formwork, and reusing it after the production for the new reserve is a very ecological, as well as economical, casting technique. It allows to produce an intricate seamless hollow concrete cast in one piece. After the structure was cleaned, it is ready for the public and the winds to take over. Within time, an ecosystem will evolve on the inside of the hollow body, and the surface will be partly covered with moss, chalk, and salt efflorescence. Little gaps in the shell enable insects and animals to build viable habitats inside the hollow body. The whole production process was open to the public to provide an in-depth vision and understanding in the making of Riff, PD#18245. The sculpture itself thus starts to generate memories in the minds of the audience – a process that will continue well into the future as weather and nature gradually take over the sculpture, altering its shape and functions over time, while the wind is playing on its resonant body.
Text: Martin Jaeggi
Stacy Ann Froelich, P.E., is the Bureau of Reclamation's Engineer of the Year for 2016. Froelich, a civil engineer, is being recognized for her contribution toward overseeing and supporting several rural water contracts including tribal construction and operation and maintenance contracts with the Oglala, Rosebud and Lower Brule Sioux Tribes, plus construction of the non-tribal rural water system, West River/Lyman-Jones. Here she is with Reclamation Commissioner Estevan López.
City Engineer's Department, Dunedin City Council
Reference: City Engineers (CE) Correspondence Series 2, Volume 18
Engineers and technicians on the Test and Operations Support Contract go over procedures with liquid hydrogen (LH2) provider PRAXAIR to prepare for a fit check of the new LH2 transfer flex hose at Launch Pad 39B at NASA’s Kennedy Space Center in Florida. LH2 provider PRAXAIR will connect the transfer flex hose from its LH2 truck to the LH2 tanker to confirm that the hose fits and functions properly. The Ground Systems Development and Operations Program is overseeing upgrades and modifications to Pad 39B to support processing of the Space Launch System rocket and Orion spacecraft for Exploration Mission 1 and NASA’s journey to Mars. Photo credit: NASA/Frankie Martin
With a Warp Energy Condensor and Doom Rocket ... of course! I used the front crew rat from the Island of Blood Warp Fire Thrower as the body, head from the Doom Wheel crew, the condensor from the Warlock in the Island of Blood ... green stuff, wire. Fun model and fun in game.
LÉOGANE, HAITI, February 10, 2010
Engineers clearing streets
Master Corporal Jean-Rock Paquet, with the aid of Corporal Daniel Hudon, uses wire cutters to remove the cables near downtown Léogane.
Members of 5 Combat Engineer Regiment are helping the community of Léogane by removing some electric cables that may represent some danger to the population or by blocking the streets.
Operation HESTIA is the Canadian Forces participation in humanitarian operations conducted in response to the catastrophic earthquake that struck Port-au-Prince, Haiti, on January 12, 2010. Op HESTIA is part of a whole-of-government effort that also involves Foreign Affairs and International Trade Canada and the Canadian International Development Agency.
Canada has consistently demonstrated strong support for humanitarian assistance and disaster relief operations throughout the world and in this difficult time, the Government of Canada is committed to helping the people of Haiti.
Canadian Forces Image number IS2010-6590-08
By Sergeant Bruno Turcotte with Canadian Forces Combat Camera
_________________________________________Traduction
LÉOGANE, HAÏTI, Le 10 février 2010
Les ingénieurs de combat nettoyant les rues,
Le Caporal-chef Jean-Rock Paquet, secondé par le Caporal Daniel Hudon, se sert d’un coupe-fils pour enlever des cables près du centre-ville de Léogane.
Les membres du 5e Régiment du génie de campagne viennent à l’aide de la communauté de Léogane en enlevant des cables électriques qui peuvent poser un danger à la population, ou qui peuvent obstruer les rues.
Au cours de l’Opération HESTIA, les Forces canadiennes participent aux opérations humanitaires suite au tremblement de terre catastrophique qui est survenu à Port-au-Prince, Haïti le 12 janvier 2010. L’Opération HESTIA fait partie intégrale d’un effort pangouvernemental auquel participent aussi le ministère des Affaires étrangères et du Commerce international ainsi que l’Agence canadienne de développement international.
Le Canada démontre un engagement continu envers l’aide humanitaire et au secours en cas de catastrophe à l’échelle mondiale. Au cours des journées difficiles actuelles, le gouvernement du Canada prend l’initiative envers l’aide auprès du peuple Haïtien.
Image des Forces canadiennes numéro IS2010-6590-08
Par le sergent Bruno Turcotte, avec Caméra de combat des Forces canadiennes