X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 08 Oct 2009 22:07:47 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-curtail.atl.sa.earthlink.net ([209.86.89.64] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3879819 for lml@lancaironline.net; Thu, 08 Oct 2009 21:50:50 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.64; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=tnmjnsQHdoUolzJVrxfl+nQXCZisoZViRBuPiZ4YDDvXQNlPzcHiQb7fRvkdCIZ6; h=Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [216.57.118.63] (helo=ccaselt3) by elasmtp-curtail.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1Mw4cY-0003rY-P8 for lml@lancaironline.net; Thu, 08 Oct 2009 21:50:14 -0400 X-Original-Message-ID: <03ce01ca4882$d81eb580$8d01a8c0@nvidia.com> From: "Colyn Case at earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] LOP MP setting for TSIO-550E X-Original-Date: Thu, 8 Oct 2009 21:50:13 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_03CB_01CA4861.50C5AC40" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3598 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da9401206f8f7303b7f363e432ab94ad53a3f350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 216.57.118.63 This is a multi-part message in MIME format. ------=_NextPart_000_03CB_01CA4861.50C5AC40 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable assuming you are talking LOP here.=20 Interesting to see what John Deakin would say but I think higher MP just = means you are forcing more air through the engine. I think the only reason to use higher MP would be to get enough cabin = pressure. ----- Original Message -----=20 From: Isaac Heizer=20 To: lml@lancaironline.net=20 Sent: Thursday, October 08, 2009 8:13 PM Subject: [LML] LOP MP setting for TSIO-550E My ES-P has a TSIO-550E with GAMI injectors, and i've recently been = through advancedpilot's web LOP course. But I'm still unclear on at = least one point. My TSIO-550E will happily run at 17.5 GPH at a MP of any of 30, 31, 32 = (among others). All cylinders remain below 380, and TIT is reasonable. My understanding is multiplying 14.7 x GPH yields HP, in this case = 73.5% power Is it 73% power no matter how I set the MP, so long as temperatures = remain in control? If that's true, why would I select one MP over = another (realizing I can't run wide open throttle)? ------=_NextPart_000_03CB_01CA4861.50C5AC40 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
assuming you are talking LOP here. =
 
Interesting to see what John Deakin = would say but I=20 think higher MP just means you are forcing more air through the=20 engine.
I think the only reason to use higher = MP would be=20 to get enough cabin pressure.
----- Original Message -----
From:=20 Isaac=20 Heizer
Sent: Thursday, October 08, = 2009 8:13=20 PM
Subject: [LML] LOP MP setting = for=20 TSIO-550E

My = ES-P has a=20 TSIO-550E with GAMI injectors, and i've recently been through = advancedpilot's=20 web LOP course.  But I'm still unclear on at least one = point.

My=20 TSIO-550E will happily run at 17.5 GPH at a MP of any of 30, 31, 32 = (among=20 others).  All cylinders remain below 380, and TIT is=20 reasonable.

My understanding is multiplying 14.7 x GPH yields = HP, in=20 this case 73.5% power

Is it 73% power no matter how I set the = MP, so=20 long as temperatures remain in control?  If that's true, why = would I=20 select one MP over another (realizing I can't run wide open=20 throttle)?
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