X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 30 May 2012 16:05:22 -0400 Message-ID: X-Original-Return-Path: Received: from mail.carneal.com ([174.129.224.69] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTPS id 5568699 for lml@lancaironline.net; Wed, 30 May 2012 14:14:20 -0400 Received-SPF: none receiver=logan.com; client-ip=174.129.224.69; envelope-from=walter@advancedpilot.com Received: (qmail 315 invoked from network); 30 May 2012 18:14:04 -0000 Received: from c-24-8-174-32.hsd1.co.comcast.net (HELO ?10.0.1.6?) (walter@advancedpilot.com@24.8.174.32) by mail.carneal.com with ESMTPA; 30 May 2012 18:14:04 -0000 From: Walter Atkinson Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-2--682828370 Subject: Re: [LML] Re: boost pump for engine cooling 4P X-Original-Date: Wed, 30 May 2012 12:13:44 -0600 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: X-Mailer: Apple Mail (2.1084) --Apple-Mail-2--682828370 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Yes, it is recommended for the NA IO-550 when the OAT is high. Walter On May 30, 2012, at 9:59 AM, Ron Raby wrote: Walter =20 Do you recommend this for the IO550 also? I have been using low boost. I = do not have engine cooling issues. =20 Regards =20 Ron Raby ----- Original Message ----- From: Walter Atkinson To: lml@lancaironline.net Sent: Tuesday, May 29, 2012 11:20 AM Subject: [LML] Re: boost pump for engine cooling 4P On May 29, 2012, at 9:09 AM, = wrote: Question: is it a reasonable practice to use the high boost for engine = cooling? How long can it run in high boost without getting damaged? We recommend using high boost on each climb through 10k. Leave the = boost pump on for AT LEAST 30 minutes after reaching cruise until the = fuel in the tanks has a chance to cool. It will not hurt the pump as = they are designed to run continuously. Walter Atkinson Advanced Pilot Seminars --Apple-Mail-2--682828370 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Yes, it is recommended for the NA  IO-550 when = the OAT is = high.

Walter


On May 30, 2012, at 9:59 AM, Ron Raby wrote:

Walter
 
Do = you recommend this for the IO550 also? I have been using low boost. I do = not have engine cooling issues.
 
Regards
 
Ron= Raby
 Tuesday, = May 29, 2012 11:20 AM
Subject: [LML] Re: boost pump for = engine cooling 4P



We recommend using = high boost on each climb through 10k.  Leave the boost pump on for = AT LEAST 30 minutes after reaching cruise until the fuel in the tanks = has a chance to cool.  It will not hurt the pump as they are = designed to run continuously.

Walter = Atkinson
Advanced Pilot = Seminars

= --Apple-Mail-2--682828370--