X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 07 Jan 2006 23:27:09 -0500 Message-ID: X-Original-Return-Path: Received: from rwcrmhc12.comcast.net ([216.148.227.152] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 916494 for lml@lancaironline.net; Sat, 07 Jan 2006 07:32:14 -0500 Received-SPF: none receiver=logan.com; client-ip=216.148.227.152; envelope-from=mjrav@comcast.net Received: from mark1 (c-65-96-140-242.hsd1.ma.comcast.net[65.96.140.242]) by comcast.net (rwcrmhc12) with SMTP id <2006010712312901400q8vj8e>; Sat, 7 Jan 2006 12:31:29 +0000 X-Original-Message-ID: <001001c61386$c3d501e0$f28c6041@mark1> From: "Mark Ravinski" X-Original-To: "Lancair Mailing List" Subject: Re: Shock heating and cooling. X-Original-Date: Sat, 7 Jan 2006 07:34:54 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000D_01C6135C.DA7A1270" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1506 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 This is a multi-part message in MIME format. ------=_NextPart_000_000D_01C6135C.DA7A1270 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Maybe this is one area where some hard data can be had and do some good. Anyone with a well enough instrumented engine can plot the CHT heating = and cooling rate of change at any given time. Test for this: 1: on engine start with a cold engine. 2: same but with a fast idle. 3: going full power for takeoff. 4: large power reduction from cruise. 5: shutdown. My bets are on #3 and I suspect this one will make the others look = insignificant. I for one, would appreciate some response. Thanks, Mark Ravinski ------=_NextPart_000_000D_01C6135C.DA7A1270 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Maybe this is one area where some hard = data can be=20 had and do some good.
Anyone with a well enough instrumented = engine can=20 plot the CHT  heating and cooling rate of change at any given=20 time.
Test for this:
1: on engine start with a cold = engine.
2: same but with a fast = idle.
3: going full power for = takeoff.
4: large power reduction from = cruise.
5: shutdown.
 
My bets are on #3 and I suspect this = one will make=20 the others look insignificant.
I for one, would appreciate some=20 response.
 
 
Thanks,
Mark = Ravinski
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