joyseydevil at comcast.net
Mon Dec 3 23:34:57 MST 2007
If you know the Cd and the square ft. of the chute standard the formula for
(Cd x .002 [air density at Bonneville] x ft/sec squared x sq. ft. x .5)
tells you the drag at any given speed
Adding the drag of the car and dividing by the car wt gives the Gs .
I'm shure Bob Stroud knows the sq ft and Cd of all his chuted off the top of
his head .
> I'd like to advance a subject that's not often considered in this sport,
> namely braking a vehicle. Basically, is there a formula that considers
> weight, a drag chute, CD, Tires, etc., and obviously surface to determine
> safe distance? Obviously the best answer will be actual experience on the
> of choice, but I observed the NHRA shut down areas and see how fast the
> Fuelers and Funnies stop, considering their speed, but this has to do
> BHP available, I'd assume.
> Mayf, single syllable words, please.
> Bob W
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