[s-cars] Re: Living at altitude

[Robert Pastore]

Hap:

You must be higher than I thought...

PR= (ATM + boost)/ATM

at Sea level: (14.7 + 26.5)/14.7 = 2.8  (approx 26.5 psi boost)

One mile up : (12.04 + 21.75)/12.04 = 2.8 (approx 21.75 psi boost)

Solving for altitude to make PR 2.8 = 17.5 PSI, you need atm = 19.75 in Hg,
or approximately 10,000 feet!

Bob (at sea level and barely keeping my head above water in Clark NJ)

-----Original Message-----
From: CaptMagu at aol.com [mailto:CaptMagu at aol.com]
Sent: Thursday, October 03, 2002 3:43 PM
To: wmahoney at disk.com; CaptMagu at aol.com; s-car-list at audifans.com
Subject: [s-cars] Re: Living at altitude


Bill

The reason for the limit on the boost has a lot to do with the extreme flow
my turbo puts out. The spec on it is 585 cfm @ 2.8 PR or 48 lb/min @ 2.8 PR
@
70 % efficiency( standard day). 2.8 PR equates to about 17-18 psi of boost.
22 psi works out to about 670 cfm @ about 80% efficiency
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