Corvette SS 1957

Racing Corvette from 1957 on display at the Monterey Historics

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Aerovette -- Corvette Show Car
One of the most beautiful concept cars created by GM was the XP-822 later called the Aerovette. It sprang from the minds of famed GM engineer and race car driver Zora Arkus Duntov and his engineers who originally built two predecessors during 1969. John DeLorean, Chevrolet's general manager, felt the program was impractical and too expensive and canceled the car. But when he heard Fords plans to sell the DeTomaso Pantera through Lincoln-Mercury dealers, DeLorean ordered one XP-882 cleaned up for display at the 1970 New York Auto Show. Its designer, Charles Jordan, would later become the VP of design went to work on a new version for the 1973 Paris motor show. This time an XP-882 chassis was powered by an experimental four-rotor Wankel engine. The rotary engines looked promising but their poor fuel economy didnt bode well with an impending oil crisis on the horizon. The car would go through several more iterations before being put out to pasture.





Corvette SS Preps for Race at Sebring 1957
The 1957 Corvette SS 'concept car', was built in order to race at the 24 Hours of LeMans. Two chassis were built, 'the Mule' and the car to be raced. Its first race would be the test for its preparations at LeMans. This race at the 12 Hours of Sebring would determine whether it could take on the world at LeMans. Famed engineer, Zora Arkus-Duntov, had lead a team of engineers to build this ultra-lightweight (1850 lbs) and powerful (307 horsepower) racing car. They were inspired by the Mercedes 300SL Gullwing and the Birdcage Maserati. To keep weight down, they used a magnesium body that surrounded a tubular steel frame with coil-over-shock front suspension, a de Dion rear axle and aluminum drum brakes. Its fuel-injected small-block V8 could turn out 307 horsepower at 6,400 RPM. Great Cars MR QT





Car Transmissions & Synchromesh: "Spinning Levers" 1936 Chevrolet Auto Mechanics 10min
more at http://auto-parts.quickfound.net/ Auto mechanics playlist: http://www.youtube.com/playlist?list=PLCED11EACAE477F6C '"The transmission in the modern motorcar -- the mechanism that makes it possible to have three forward speeds and a reverse -- is a series of levers, levers that spin." VS cartoon of Archimedes trying to move earth with a lever extending from the moon or another planet in outer space; CU cartoon of Archimedes says "Give me a lever long enough and I can move the world." CU disembodied hands using antique can opener to open a can of peaches; CU can open cutting through top of can. Two boys playing on a seesaw. CU pitch bar tool inserted between train wheel and track; man cranks large lever to move freight car along track; CU disembodied arm pumps lever lifting antique car off ground. VS man demonstrates basics of the lever using triangular piece as fulcrum and a long metal piece, man attaches 10 lbs. weight to one end of the bar and a 5 lbs. weight to the other end; man hangs various weights from both ends of the bar balancing the two by moving the fulcrum to various points along the bar; man demonstrates how a gear is constructed through numerous interlocking levers. VS stop-motion animation of two wheels with paddles added one by one turning wheels into paddle wheels and then into interlocking gears; cuts to more sophisticated gear; cuts to metal gears; VS CU different types of machine gears, worm gears, bevel gears, lopsided gears. Disembodied arm pieces together piece by piece a basic motor with various gear components; superimposed text appears labeling various parts; superimposed arrows identify different gears; motor begins to turn; cuts to CU car drives across frame; cuts back to crude motor; camera pans to Revolutions Per Minute dial which reads 100 rpm, camera pans to another RPM instrument dial which reads 30 rpm; CU crude model of gears in motor, superimposed arrows show flow of energy through the system. CU RPM instrument dial reads 60 rpm; CU churning gears of motor, superimposed arrows she flow of energy through gear system; VS man demonstrates on gears how shifting to various gears works. CU arrow point to 90 rpm on deal labeled Revolutions Per Minute; VS man demonstrating different gears. Great shot 4 lanes of cars stopped at stoplight on city street; Travel Bureau sign in background. CU disembodied hand in white glove shifts clutch of car; CU motor shifting gears; CU tire with Chevrolet hubcap begins to move; 1920s and 1930s cars stopped at traffic light begin to move; CU inside car woman shifts gears; car driving down tree-lined highway in possibly New York, what appears to be the Statue of Liberty is seen off in the distance. Woman enters drivers seat of Chevrolet, man waves start flag; car drives off down street; CU disembodied woman's foot on gas pedal beside break and clutch pedal with Chevrolet logos; CU speedometer shows car hitting 60 mph; CU woman downshifts; CU speedometer goes down to 35 mph; car stops at bottom of hill. CU sign along rugged road 'Steep Hill Use Second Gear"' NEW VERSION with improved video & sound: https://www.youtube.com/watch?v=69TC-GLnfDQ Public domain film from the Library of Congress Prelinger Archive, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied. The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization (the resulting sound, though not perfect, is far less noisy than the original). http://en.wikipedia.org/wiki/Transmission_(mechanics) A machine consists of a power source and a power transmission system, which provides controlled application of the power. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a live axle. Often transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device... Manual Manual transmission come in two basic types: - a simple but rugged sliding-mesh or unsynchronized / non-synchronous system, where straight-cut spur gear sets are spinning freely, and must be synchronized by the operator matching engine revs to road speed, to avoid noisy and damaging "gear clash", - and the now common constant-mesh gearboxes which can include non-synchronised, or synchronized / synchromesh systems, where typically diagonal cut helical (or sometimes either straight-cut, or double-helical) gear sets are constantly "meshed" together, and a dog clutch is used for changing gears. On synchromesh boxes, friction cones or "synchro-rings" are used in addition to the dog clutch to closely match the rotational speeds of the two sides of the (declutched) transmission before making a full mechanical engagement...





Chevrolet Corvette SS XP 64 Concept Car '1957
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