X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf18aec.mail.bellsouth.net ([205.152.59.66] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTP id 220811 for flyrotary@lancaironline.net; Wed, 20 Jul 2005 19:22:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.66; envelope-from=sladerj@bellsouth.net Received: from ibm61aec.bellsouth.net ([65.8.216.105]) by imf18aec.mail.bellsouth.net with ESMTP id <20050720231814.KJXD24218.imf18aec.mail.bellsouth.net@ibm61aec.bellsouth.net> for ; Wed, 20 Jul 2005 19:18:14 -0400 Received: from JSLADE ([65.8.216.105]) by ibm61aec.bellsouth.net with ESMTP id <20050720231804.VOQG714.ibm61aec.bellsouth.net@JSLADE> for ; Wed, 20 Jul 2005 19:18:04 -0400 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: Evans Coolant Date: Wed, 20 Jul 2005 19:17:59 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0071_01C58D5F.BDF1FF10" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_0071_01C58D5F.BDF1FF10 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit MessageIt should reduce it. Than I go to stage2 - all out :) No, it won't. I think the turbo will tend toward overspeed more with the wastegate gone. Nothing to slow it down. Back to turbo 101 for you John :-) OK. You're right. Open wastegate = less exhaust pressure through the turbine = less rpm. However, this wont save him. I think there's still enough exhaust pressure to overspin the turbine at altitude. If I remember right, my wastegate was wide open when "she blew". :( Rusty (I bet Dave will make you a good deal on a -B drive) Not as good a deal as I can make you on a slightly used stock turbo John ------=_NextPart_000_0071_01C58D5F.BDF1FF10 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
It=20 should reduce it. Than I go to stage2 – all out :)
No, it=20 won't. I think the turbo will tend toward overspeed more with the = wastegate=20 gone. Nothing to slow it down.   
Back to turbo 101 for you John :-) 
 
OK. You're right. Open wastegate =3D less exhaust pressure = through the=20 turbine =3D less=20 rpm.
However, this wont save him. I think there's still enough = exhaust=20 pressure to overspin the turbine at altitude. If I remember right, = my=20 wastegate was wide open when "she blew".=20 :(
 
Rusty (I bet Dave will make you a good deal on = a -B=20 drive)  
Not as good a=20 deal as I can make you on a slightly used stock=20 turbo
 
John
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