High Speed

[Stephen Bigelow]

> 1) DRAG Coeficient. 
>    5k is between .31 and .33 depending on models.  (Or very
> close to this.  If anyone writes me and says (no, the prototype
> was .30 I'll scream) :-)      Now, the 4kq is like .44 or
> somewhere around there.  BIG difference.  Thats also why the
> heavier type 44's can get better highway fuel economy.  

Even more important is actual drag.

Drag coefficient=shape
Drag= coefficiant*size