water injection

[Gary Derian]

Indy cars are regulated to, I believe, 45 in Hg (absolute) which is only 7.5
psi or so.  Thats not very much boost.  I think methanol evaporation is
enough to cool it.

Gary Derian <gderian at cybergate.net>



>>> IndyCars (ChampCars, CART, whatever) all run methanol, and have
>>> for decades.  A common (and more effective) alternative to
>>> water injection
>>> is alcohol injection (actually, usually a mix), and
>>> methanol *is* an alcohol.  I'm speaking over my head here, but
>>> it may very well be that the evap cooling of methanol is so good
>>> that water injection is simply superfluous.
>
>You are absolutely right here.
>
>Regards, Greg
>