Re: some calculations

[Alexei M Voloshin <Alexei.M.Voloshin-1@tc.umn.edu>]

What are the untis of the coefficient 8.702E-6 ??? (length, time, mass?????)


On Sun, 11 Aug 1996, R. Wiratorn [Thailand] wrote:

>                 
>         hello,there is a formular to calculate top speed of car in EC mag.
>                 
>                 I 'd like to know how fast the 280 HP S4 can go.,but I don't
> know two
>         variables. 1. the frontal area of Audi S4 (in sq.ft.)
>                            2. Cd. of Audi S4  (is it 0.29-0.30 ?)
>         Do you know ?
>                 
>                                 This formular doesn't use vehicle
> weight,gear ratio,max rev. 
>         to calculate. it use max power,Cd.,frontal area .
> 
>                                 Power(hp)=8.702E-06*Cd*Area * V * V * V
> ;V =mph
> 
>                                                                             
>             thanks
>         
>                         
>                              
>