Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Sun, 02 Nov 2003 18:52:31 -0500 Message-ID: X-Original-Return-Path: Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.1.6) with ESMTP id 2705944 for lml@lancaironline.net; Sat, 01 Nov 2003 14:04:54 -0500 Received: from P4DESKTOP ([208.63.196.48]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with SMTP id <20031101190424.CMHY1816.imf17aec.mail.bellsouth.net@P4DESKTOP> for ; Sat, 1 Nov 2003 14:04:24 -0500 From: "Douglas W. Johnson, MD" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: TSIO-550E Surprise at 215 hrs. X-Original-Date: Sat, 1 Nov 2003 14:11:13 -0500 X-Original-Message-ID: <00b901c3a0ab$eb57afb0$0f01a8c0@P4DESKTOP> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00BA_01C3A082.0281A7B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_00BA_01C3A082.0281A7B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Was the engine warmed up before the compression checks, or cold? It makes a big difference on mine... Doug Johnson -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Lorn H. Olsen Sent: Saturday, November 01, 2003 10:03 AM To: Lancair Mailing List Subject: [LML] Re: TSIO-550E Surprise at 215 hrs. From: JIMRHER@aol.com . . The compression numbers I gave were very general and I can be more specific here. Static compression is taken by blowing 80 lbs of air into the cylinder and measuring how much it will hold. Using a two gauge setup and a Calibrated orifice, I think you are allowed just under 50 lbs. When this was done 1 year ago I had one cylinder that read 50 and the others were higher. This time that #1 cyl. read about 40 lbs. The lowest was #6 at 24 lbs. #4 was only 44 lbs. and strangely #2, the one that I was so concerned about and the one that was the hottest and most abused so to speak, was 56 lbs. the highest of all. Also note that #6 is the front left cyl. that has the intercooler in the baffle in front of it and did have lower CHT. This, to an engineer, is a shoulder shrug, meaning even us Idiots can't answer what is happening. . I also would like any other inputs? . Jim Hergert N6XE, "An Sex Y" L4P I wouldn't believe your mechanics gauges. I think it would be worth remeasuring with another set on gauges. -- Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp. 248-478-4300, mailto:lorn@dynacomm.ws LNC2, O-320-D1F, N31161, Y47, SE Michigan ------=_NextPart_000_00BA_01C3A082.0281A7B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Was=20 the engine warmed up before the compression checks, or cold?  It = makes a=20 big difference on mine...
Doug=20 Johnson
-----Original Message-----
From: Lancair Mailing = List=20 [mailto:lml@lancaironline.net]On Behalf Of Lorn H.=20 Olsen
Sent: Saturday, November 01, 2003 10:03 = AM
To:=20 Lancair Mailing List
Subject: [LML] Re: TSIO-550E Surprise = at 215=20 hrs.

From:=20 JIMRHER@aol.com
.
.
The=20 compression numbers I gave were very general and I can be more = specific=20 here. Static compression is taken by blowing 80 lbs of air into the = cylinder=20 and measuring how much it will hold. Using a two gauge setup and a=20 Calibrated orifice, I think you are allowed just under 50 lbs. When = this was=20 done 1 year ago I had one cylinder that read 50 and the others were = higher.=20 This time that #1 cyl. read about 40 lbs. The lowest was #6 at 24 = lbs. #4=20 was only 44 lbs. and strangely #2, the one that I was so concerned = about and=20 the one that was the hottest and most abused so to speak, was 56 = lbs. the=20 highest of all. Also note that #6 is the front left cyl. that has = the=20 intercooler in the baffle in front of it and did have lower CHT. = This, to an=20 engineer, is a shoulder shrug, meaning even us Idiots can't answer = what is=20 happening.
.
I also would like any other = inputs?
.
Jim = Hergert
N6XE,=20 "An Sex Y" L4P

I wouldn't believe your = mechanics=20 gauges. I think it would be worth remeasuring with another set on=20 gauges.
--
Lorn H. 'Feathers' Olsen, MAA, DynaComm,=20 Corp.
248-478-4300, mailto:lorn@dynacomm.ws
LNC2, O-320-D1F, = N31161,=20 Y47, SE Michigan
------=_NextPart_000_00BA_01C3A082.0281A7B0--