[Bicycle Bob]

Originally Posted by autogyro

Surely we haven't forgotten about the Opel Rak 1 & 2 cars of the 20's?
File:Opel Rak 2 rocket car, at Avus (Montagu, Cars and Motor-Cycles, 1928).jpg - Wikipedia, the free encyclopedia

Ahh, it is indeed a previous wing on a car, but is cambered for lift, but adjusted for downforce, as if it had originally been intended to take some weight off the tires, until control issues surfaced. With rocket motors, it would not have needed traction for acceleration, etc.