X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 11 Jun 2012 09:06:04 -0400 Message-ID: X-Original-Return-Path: Received: from nm15-vm4.bullet.mail.ne1.yahoo.com ([98.138.91.175] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with SMTP id 5590330 for lml@lancaironline.net; Sat, 09 Jun 2012 17:35:44 -0400 Received-SPF: none receiver=logan.com; client-ip=98.138.91.175; envelope-from=mcmess1919@yahoo.com Received: from [98.138.90.51] by nm15.bullet.mail.ne1.yahoo.com with NNFMP; 09 Jun 2012 21:35:10 -0000 Received: from [98.138.226.124] by tm4.bullet.mail.ne1.yahoo.com with NNFMP; 09 Jun 2012 21:35:10 -0000 Received: from [127.0.0.1] by smtp203.mail.ne1.yahoo.com with NNFMP; 09 Jun 2012 21:35:10 -0000 X-Yahoo-Newman-Id: 284485.44448.bm@smtp203.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: oo8Y_G4VM1nEAxv0UthiI6QoPPgK.HpLkQ.nciE2VU83A9h vKqdkffMecUyVMUHzLtIOtntM9ylQztEZbHJCTUcMV3e3XfSQ0z35B60DFgi 6jucsxS0raC8X32IyoTyCMDOXGSfwKAXaV0bNtwtyC5qzaqaBO9prZzszY.8 UxggeHzMr7ACmrLRU9yLzrgiWG3u6jz4xc1w9Mz9Y9Lo4V1B93i9D6MhiCM3 7ObeAn5b_LwBu0Z3XM2Aa95N9nhg3Fyy8gMy3OYcC0APPCgffxxj7NhOr3kH dZ9gK9kWxwSaf3Cf0BbdVAU1cwaWqZZaXZI_byTkT5Nhp3R9TOSuSMixBf3g IeDJHTw8oIojoXGKOgEgbJYWcOjyfDxAdDt1_qIaBP_99amuKOJL86zEgtXn 8lCXI9bDvI9wAK4vbt9mJ.mme7JmB.fX0WCCql56Hjrzz70Kj1aC8hFjeDHr amX7M_gp1NhufCO5a_kA8LRy3fYIcBZP2m9iCvQCxub19 X-Yahoo-SMTP: rK4i7HqswBC7mDE8.sOiWQeO4CeReXc- Received: from StevePC (mcmess1919@98.244.5.145 with login) by smtp203.mail.ne1.yahoo.com with SMTP; 09 Jun 2012 14:35:09 -0700 PDT From: "Steve Colwell" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: Power loss during descent X-Original-Date: Sat, 9 Jun 2012 14:35:03 -0700 X-Original-Message-ID: <03b501cd4687$bb779cc0$3266d640$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_03B6_01CD464D.0F18C4C0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac1FnM7HD6Fkk1ZOTV+UFs2bJvf7GwA4LS+g Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_03B6_01CD464D.0F18C4C0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Adam, My guess is your fuel pickup did not unport, it was the power setting. The Advanced Pilot Course http://www.advancedpilot.com/ teaches a descent technique I like. (Legacy IO-550) Say you are above 10K at cruise with full throttle and Lean of Peak. Start a 500 FPM descent, then maintain Manifold Pressure within 1 inch and EGT plus or minus 10 degrees all the way down to Pattern Altitude. Cyl Head and Oil temp will lower slowly and true airspeed will be easy to control, Fuel Flow will change very little. If you believe in Shock Cooling, CHT change is very gentle. The engine is happy all the way down, you still have low fuel flow and pattern speed is not too far off. Configure engine for pattern altitude and landing. Works real good. Steve Colwell ------=_NextPart_000_03B6_01CD464D.0F18C4C0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Adam,

My guess is your fuel pickup did not unport, it was the power = setting. The Advanced Pilot Course http://www.advancedpilot.com/ = teaches a descent technique I like. (Legacy IO-550) =

Say you are above 10K at cruise with full throttle and Lean of = Peak. Start a 500 FPM descent, then maintain Manifold Pressure = within 1 inch and EGT plus or minus 10 degrees all the way down to = Pattern Altitude. Cyl Head and Oil temp will lower slowly and true = airspeed will be easy to control, Fuel Flow will change very = little.

If you believe in Shock Cooling, CHT change is very gentle. The = engine is happy all the way down, you still have low fuel flow and = pattern speed is not too far off. Configure engine for = pattern altitude and landing. Works real = good.

Steve Colwell

<= o:p>

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