Return-Path: Received: from imf19aec.mail.bellsouth.net ([205.152.59.67] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3230423 for flyrotary@lancaironline.net; Thu, 13 May 2004 10:06:01 -0400 Received: from TOSHIBAjhr ([209.214.14.130]) by imf19aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with SMTP id <20040513140600.LSUD16168.imf19aec.mail.bellsouth.net@TOSHIBAjhr> for ; Thu, 13 May 2004 10:06:00 -0400 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: Detonated! :-( Date: Thu, 13 May 2004 10:05:57 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0074_01C438D1.E2DE8250" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) 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_0074_01C438D1.E2DE8250 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message> The internal wastegate (even ported) can't dump enough exhaust to control the boost at full throttle. For > example, John's new turbo (when it was on my plane) would exceed 10 psi (50 MAP) with the wastegate > manually held wide open. Interesting. I didnt see 50 MAP on my old turbo unless I held the wastegate closed. I wonder why. I'll watch the map carefully on the next flight, but I dont think it went anywhere near that on the one 40 minute flight I did since changing turbos. Are you saying the wastegate is ported on "our" turbo? John (finding more performance that I can handle) ------=_NextPart_000_0074_01C438D1.E2DE8250 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
> The = internal=20 wastegate (even ported) can't dump enough exhaust to control the boost = at full=20 throttle.  For  
> example, John's=20 new turbo (when it was on my plane) would exceed 10 psi (50 MAP) with = the=20 wastegate  
> manually held wide=20 open.   
 
Interesting. I didnt see 50 MAP on my old = turbo unless=20 I held the wastegate closed. I wonder why. I'll watch the map carefully = on the=20 next flight, but I dont think it went anywhere near that on the one 40 = minute=20 flight I did since changing turbos. = Are=20 you saying the wastegate is ported on "our"=20 turbo?
 
John (finding more performance that I can=20 handle)
 
 
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