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Old 02-26-2019, 08:41 PM   #789 (permalink)
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Just A Car Guy: aerodynamics

in an era before wind tunnels, threads were attached to the body of a vehicle; the prototype was then photographed at speed on the road, and the body's curves then adjusted to the paths of the threads—what engineers called streamlines. More recently tufts of yarn are taped onto cars

Architect, Artist and Designer of Objects

1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft

Chin Spoiler:

Rear Spoiler Pick Up Truck

Roof Wing
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