[s-cars] RE: Math quiz: turbo compressor choices

[Djdawson2 at aol.com]

In a message dated 3/12/04 8:49:09 AM Mountain Standard Time, mlped at qwest.net 
writes:

Mike,

> One other thought occurs to me.  The author was "guestimating" AP in his
> particular application of the formula at 14.5, not 14.7 psi.
> Could that account for your 6.5% difference in cfm to lbs/min vs.. the
> articles suggested 0.0756?

That would account for a small part of the difference.  My numbers are all 
calculated assuming STP...

> 
> As for the 3.480086, how much boost were you running at 4,800 rpm?
> Even so, a VE claim of 348% seems pretty high, ... and it gets higher if
> you bump up the driveline loss adjustment (.83), i.e. 361% at 80% etc.
> 

No boost gauge in the car...  I would assume about 25-26 psi.  I'm running 
the popular hybrid software.  348% seems highly unlikely  ;)
Dave