1977 Porsche 936

 
Low drag configuration:

Downforce:
509 lbs. @ 150 mph, with 378 lbs. of drag
732 lbs. @ 180 mph, with 544 lbs. of drag
904 lbs. @ 200 mph, with 672 lbs. drag

Lift-to-drag ratio: 1.345:1

Coefficient of drag: .370
Reference area: 1.65 meters square

Reference: Karl Ludvigsen's Porsche: Excellence Was Expected

ęCopyright 2010, Michael J. Fuller