Quote:
Originally Posted by freebeard
Thank you.
One can estimate 7sq ft for the body, 1.5 sq ft for each wheel; But what is the Cd of a vertical disk edge on in ground contact?
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1) naked wheel Hoerner puts at Cd 0.58
2) Cd 0.49 with rear fairing
3) Cd 0.41 with front fairing
4) Cd 0.27 with total fairing
5) Cd 0.66 on a strut
6) Cd 0.19 half-enclosed
7) Cd 0.10 half-exposed but with rear fairing
8) A 1980 Indycar/ Formula-One car without wheels = Cd 0.25.
9) Cd 0.54 with wheels. really-wide wheels!