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From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [FlyRotary] Re: turbo wastegate requirements
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Date: Thu, 11 Sep 2003 19:24:40 -0400
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Jim Sower <canarder@frontiernet.net> wrote:

>>>The pressure trying to OPEN the valve is MAP applied against the inside face 
of
the valve.  The pressure trying to CLOSE the valve is spring tension PLUS 
ambient
pressure applied on the outside face of the valve.

You will have to somehow compensate for the ambient pressure outside the valve 
<<<

You're absolutely right.  Shortly after I hit the send button I realized the 
folly of my ways <G>.  That ambient pressure outside certainly needs to be 
accounted for.  Back to the drawing board.

  <Marv>