X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 29 May 2007 14:09:18 -0400 Message-ID: X-Original-Return-Path: Received: from mx2.pshift.com ([216.57.116.7] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2073134 for lml@lancaironline.net; Tue, 29 May 2007 13:50:10 -0400 Received-SPF: none receiver=logan.com; client-ip=216.57.116.7; envelope-from=colyncase@earthlink.net Received: from ccaselt2 (unverified [216.57.118.92]) by mx2.pshift.com (Vircom SMTPRS 4.4.568.30) with SMTP id for ; Tue, 29 May 2007 13:49:28 -0400 X-Modus-BlackList: 216.57.118.92=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.92=Excluded X-Modus-Trusted: 216.57.118.92=NO X-Modus-Audit: FALSE;0;0;0 X-Original-Message-ID: <02f101c7a219$b7792340$0502a8c0@nvidia.com> From: "Colyn Case on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: TSIO 550 LOP X-Original-Date: Tue, 29 May 2007 10:49:33 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02EE_01C7A1DF.0AC46310" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_02EE_01C7A1DF.0AC46310 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Whatever. I'm happy to take test stand data. Then you don't have to = worry about field calibration of experimental probes etc. plus you can use "affect" where appropriate and realize that 7.5:1 is a = ratio whereas 19 is a rate. 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 ------=_NextPart_000_02EE_01C7A1DF.0AC46310 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Whatever.   I'm happy to take test stand = data.   Then=20 you don't have to worry about field calibration of experimental probes=20 etc.
plus you can use "affect" where appropriate and realize that 7.5:1 = is a=20 ratio whereas 19 is a rate.
Walter:  I understand the theory and am confident you = have many=20 Ada test runs to quote.  I am however a curmudgeon test pilot who = had=20 been fooled by well meaning engineers for years and like to see FLIGHT = data=20 when ever possible.  There are many ways to effect egt in flight = and most=20 are easier than putting in new pistons.  Additionally most of the = flight=20 conditions I have seen posted here by TSIO-550-8.5 flyers have had LOP = fuel=20 flows nearer 19gph than 7.5 to achieve 200ish KIAS so that is a=20 curiosity.  Lastly you also point out that the higher CR engines = have=20 retarded timing, and of course lower boost--so it is more than just a = piston=20 change and flight experience is worth reviewing.  = paul
 
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