Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.2b4) with ESMTP id 121213 for flyrotary@lancaironline.net; Wed, 02 Jun 2004 16:15:11 -0400 Received: from rad ([65.6.194.9]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040602201438.FIUG19385.imf25aec.mail.bellsouth.net@rad> for ; Wed, 2 Jun 2004 16:14:38 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Turbo boost limits in the EC2 Date: Wed, 2 Jun 2004 15:12:35 -0500 Message-ID: <01fb01c448dd$f205dfa0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01FC_01C448B4.092FD7A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_01FC_01C448B4.092FD7A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We discussed ways to detect and limit overboost. I suggested that the = EC2 is watching MAP anyway, so it could spot a user programmable boost limit - = e.g. 50 MAP being exceeded, and cut the training coils until the MAP drops = below it. =20 =20 Will cutting the trailing coils lower the boost that much, or just limit = the detonation (according to theory)? I assume there will be a flashing = warning light too. Maybe he can flash "get a real wastegate" on the screen :-) =20 John Slade (for once, the term blowhards doesn't include Rusty)=20 =20 Hey, I'm always interested in forced induction issues. Just never know = what future rev might include this again :-) =20 Rusty (glassing a plenum) ------=_NextPart_000_01FC_01C448B4.092FD7A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
We discussed ways to detect and limit = overboost.=20 I=20 suggested that the EC2 is watching MAP anyway, so it could = spot a user=20 programmable boost limit - e.g. 50 MAP being exceeded, and cut the = training=20 coils until the MAP drops below it.  
 
Will cutting the=20 trailing coils lower the boost that much, or just limit the detonation=20 (according to theory)?  I assume there will be a flashing = warning=20 light too.  Maybe he can flash "get a real wastegate" on the screen = :-)
 
John Slade (for once, the term blowhards doesn't include = Rusty) 
 
Hey, I'm=20 always interested in forced induction issues.  Just never know = what=20 future rev might include this again = :-)
 
Rusty (glassing a=20 plenum)
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