Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2575921 for flyrotary@lancaironline.net; Thu, 11 Sep 2003 10:08:57 -0400 Received: from rad ([68.212.14.21]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20030911140857.MIJS1849.imf23aec.mail.bellsouth.net@rad> for ; Thu, 11 Sep 2003 10:08:57 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: turbo wastegate requirements Date: Thu, 11 Sep 2003 09:08:54 -0500 Message-ID: <008901c3786e$3d8974a0$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_008A_01C37844.54B36CA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_008A_01C37844.54B36CA0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit The popoff on the intake manifold is referenced to MAP and not boost, and set to blow off at my intended 34" MAP redline... this way the overboost protection is unaffected by ambient pressure. Hi Marvin, I'd love to know how you're doing this, since it's exactly what I need. I've never seen any sort of valve that's referenced to MAP. The only thing I can imagine is an electric valve that's electronically controlled. Thanks, Rusty (gotta get me one of those) ------=_NextPart_000_008A_01C37844.54B36CA0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

The popoff on the intake manifold is referenced to MAP = and=20 not
boost, and set to blow off at my intended 34" MAP redline... this = way=20 the
overboost protection is unaffected by ambient=20 pressure. 

       =20 <marv>

 
Hi=20 Marvin,
 
I'd love = to know how=20 you're doing this, since it's exactly what I need.  I've never seen = any=20 sort of valve that's referenced to MAP.  The only thing I can = imagine is an=20 electric valve that's electronically = controlled.  
 
Thanks,
Rusty = (gotta get me one=20 of those)
 



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