X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 29 May 2007 12:47:39 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m28.mx.aol.com ([64.12.137.9] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2072821 for lml@lancaironline.net; Tue, 29 May 2007 11:23:15 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.9; envelope-from=PTACKABURY@aol.com Received: from PTACKABURY@aol.com by imo-m28.mx.aol.com (mail_out_v38_r9.2.) id q.ccd.1286918c (39329) for ; Tue, 29 May 2007 11:22:31 -0400 (EDT) From: PTACKABURY@aol.com X-Original-Message-ID: X-Original-Date: Tue, 29 May 2007 11:22:31 EDT Subject: Re: [LML] Re: TSIO 550 LOP X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1180452151" X-Mailer: 9.0 Security Edition for Windows sub 5365 X-Spam-Flag: NO -------------------------------1180452151 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/28/2007 8:58:48 P.M. Pacific Daylight Time, walter@advancedpilot.com writes: If you are asking for confirmation that the above is true, ANY text on combustion, and all of the data collected at any one of the existing engine test facilities will confirm. Walter Walter: I understand the theory and am confident you have many Ada test runs to quote. I am however a curmudgeon test pilot who had been fooled by well meaning engineers for years and like to see FLIGHT data when ever possible. There are many ways to effect egt in flight and most are easier than putting in new pistons. Additionally most of the flight conditions I have seen posted here by TSIO-550-8.5 flyers have had LOP fuel flows nearer 19gph than 7.5 to achieve 200ish KIAS so that is a curiosity. Lastly you also point out that the higher CR engines have retarded timing, and of course lower boost--so it is more than just a piston change and flight experience is worth reviewing. paul ************************************** See what's free at http://www.aol.com. -------------------------------1180452151 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 5/28/2007 8:58:48 P.M. Pacific Daylight Time,=20 walter@advancedpilot.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
If you are asking for confirmation that the above is true, ANY text o= n=20 combustion, and all of the data collected at any one of the existing engin= e=20 test facilities will confirm.

Walter
Walter:  I understand the theory and am confident you have many Ad= a=20 test runs to quote.  I am however a curmudgeon test pilot who had been=20 fooled by well meaning engineers for years and like to see FLIGHT data when=20= ever=20 possible.  There are many ways to effect egt in flight and most are eas= ier=20 than putting in new pistons.  Additionally most of the flight condition= s I=20 have seen posted here by TSIO-550-8.5 flyers have had LOP fuel flows nearer=20 19gph than 7.5 to achieve 200ish KIAS so that is a curiosity.  Lastly y= ou=20 also point out that the higher CR engines have retarded timing, and of cours= e=20 lower boost--so it is more than just a piston change and flight experience i= s=20 worth reviewing.  paul



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