1993 Joest-Porsche 962

 
High downforce configuration:

Max L/D:
2971 lbs. @ 150 mph, with 675 lbs. of drag
4278 lbs. @ 180 mph, with 972 lbs. of drag
5281 lbs. @ 200 mph, with 1200 lbs. drag

Aero. Balance @ 200 mph:
F: 1796 lbs. (34%)
R: 3485 lbs.

Lift-to-drag ratio: 4.40:1
Coefficient of lift: -2.655
Reference area: 1.806 meters square

Max Downforce:
3141 lbs. @ 150 mph, with 785 lbs. of drag
4523 lbs. @ 180 mph, with 1131 lbs. of drag
5584 lbs. @ 200 mph, with 1396 lbs. drag

Aero. Balance @ 200 mph:
F: 1619 lbs. (29%)
R: 3965 lbs.

Lift-to-drag ratio: 4.00:1
Coefficient of lift: -2.8
Reference area: 1.806 meters square

Reference: Ralf Jüttner.  Data collected in the Porsche Weissach full-scale fixed-floor wind tunnel.

©Copyright 2004, Michael J. Fuller