X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 24 Sep 2014 07:12:51 -0400 Message-ID: X-Original-Return-Path: Received: from nm11.bullet.mail.ne1.yahoo.com ([98.138.90.74] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 7171821 for lml@lancaironline.net; Wed, 24 Sep 2014 06:35:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=98.138.90.74; envelope-from=mcmess1919@yahoo.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s2048; d=yahoo.com; b=j7T8+4F2DkgOd7P4INGSJqvxjpiKcUiZuWVArC6a1jUpR4FTFeGCd6w17pN5uCCz/k2ZOP0sqHQPBrstmTgoyhZa5jIAFapgo0/ROSG6MbWonbHxznlr7E/go0c2al/rqjhzE8ail+QCAufPZDXmVmAd/rAHNZXl1P8M+kRhLz3UV/qKbRZdlb3w02ubRmVsv4CLl7Ou6xnJ2LDzY76jyfeGPVAcgRwHpbYQWTMrJp1+FmRe0+4mEAV+ugcqyLFNVouSSBsP9iWt9jVuBRbdkVHBs3sL3+upmySGHM6z/N5NMaoMen/Fv39KhEtwoDFuCI4oUqsEoobnTv3nEkLwkw==; Received: from [98.138.226.178] by nm11.bullet.mail.ne1.yahoo.com with NNFMP; 24 Sep 2014 10:34:58 -0000 Received: from [98.138.104.112] by tm13.bullet.mail.ne1.yahoo.com with NNFMP; 24 Sep 2014 10:34:58 -0000 Received: from [127.0.0.1] by smtp221.mail.ne1.yahoo.com with NNFMP; 24 Sep 2014 10:34:58 -0000 X-Yahoo-Newman-Id: 459811.53443.bm@smtp221.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: OFwrR7EVM1ms9jPc784PwliTUfUkZ0_fCgQtis2VC2Vt7gh BFe3xk1tEZkqeTsrFnIvZcA0VA8InsliNv0PpN08OgiJg8AdYnSvA1gPITMz eSmvbKw9F3EeGEruXHXsPL3FWOzQzPZlRSU5Q7hI3Xf3TC6M9iLnG.lGXMCG CMvUZ0ae3PPmy0B8aF82f_7hm5qESvYtpEmTtVvj6qCS2HjlekdaIg0eLr1_ .I9bckwipeRna51LJee78f16jxMxDBHWZ.7q3C.4P79xvvgw1GTw7Llxq3If MJ5yTLDWfx1kl5ORdAhSnRuCNsDOx4jsQXlJjvGlNLL_YLC7lSHEsiLoSoHu T3.Qb3.WtLo7ci73yrcJomoEhsDdfVBjjfB8FoyiUMzHANTwU38f6EojX6qz Wactsa3lh7K6QLgrknYym4IYLdbQYvzI.8PymtHNa6MkXAzSrH3sfxNEgjgj H7aDWsqmgZCA5JfJRv5NzUWs63G0ptAdsVVkPTWYDfy4us2aRff_lJOCYLvb cT8fQ5rGcOBzWImg8Ah7fLVrfu8_viSw- X-Yahoo-SMTP: rK4i7HqswBC7mDE8.sOiWQeO4CeReXc- From: "Steve Colwell" X-Original-To: "'Lancair Mailing List'" Subject: Mechanical Fuel Pump Oddities X-Original-Date: Wed, 24 Sep 2014 05:35:04 -0500 X-Original-Message-ID: <036d01cfd7e3$348a2350$9d9e69f0$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_036E_01CFD7B9.4BB41B50" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac/X4zN3WfYTTzeES0KAxk3/dQ5EAA== Content-Language: en-us This is a multi-part message in MIME format. ------=_NextPart_000_036E_01CFD7B9.4BB41B50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Kevin, I had the same problem on a warm day with warm fuel from an above ground tank. My solution is to leave Low Boost on all the time. The Dukes pump is not rated for continuous operation but mine is still running at 200+ hours. Another plus is, if your engine pump fails on takeoff, Low Boost will probably keep the engine running (maybe at reduced power but still running). I believe Continental recommends Low Boost above 10,000' so the best explanation could be "they do that". Steve Colwell IO-550 Legacy ------=_NextPart_000_036E_01CFD7B9.4BB41B50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Kevin,

I had the = same problem on a warm day with warm fuel from an above ground = tank. My solution is to leave Low Boost on all the time. The = Dukes pump is not rated for continuous operation but mine is still = running at 200+ hours. Another plus is, if your engine pump fails = on takeoff, Low Boost will probably keep the engine running (maybe at = reduced power but still running). I believe Continental recommends = Low Boost above 10,000’ so the best explanation could be = “they do that”.

Steve = Colwell IO-550 Legacy

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