1992 Nissan NPT-91 GTP

 
High downforce configuration:

Downforce (25 degree wing angle):
5192 lbs. @ 150 mph, with 1232 lbs. of drag
7477 lbs. @ 180 mph, with 1774 lbs. of drag
9231 lbs. @ 200 mph, with 2190 lbs. of drag

Aero. Balance @ 200 mph:
F: 2945 lbs. (31.9%)
R: 6286 lbs.

Lift-to-drag ratio: 4.23:1

A Low downforce configuration:

Downforce (14 degree wing angle):
4106 lbs. @ 150 mph, with 886 lbs. of drag
5913 lbs. @ 180 mph, with 1276 lbs. of drag
7300 lbs. @ 200 mph, with 1575 lbs. of drag

Aero. Balance @ 200 mph:
F: 2329 lbs. (31.9%)
R: 4971 lbs.

Lift-to-drag ratio: 4.63:1

Reference:  Andy Gallaway, wind tunnel data sheet provided by

ęCopyright 2004, Michael J. Fuller