X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 87 [XXXX] (50%) OBFUSCATED_WORD1_MONEY (50%) BODY: contains "ambien" obfuscated Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 08 May 2007 09:30:30 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2031916 for lml@lancaironline.net; Tue, 08 May 2007 08:26:27 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.4; envelope-from=MikeEasley@aol.com Received: from MikeEasley@aol.com by imo-m23.mx.aol.com (mail_out_v38_r9.2.) id q.c25.15a4a0e4 (30740) for ; Tue, 8 May 2007 08:25:18 -0400 (EDT) From: MikeEasley@aol.com X-Original-Message-ID: X-Original-Date: Tue, 8 May 2007 08:25:18 EDT Subject: Re: [LML] Why is there fuel? X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1178627118" X-Mailer: 9.0 Security Edition for Windows sub 5365 X-Spam-Flag: NO -------------------------------1178627118 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Kevin, I fly an ES with an IO-550 and our Yahoo group just had a very detailed discussion on this topic. High boost is for priming. Low boost is your backup in case of an engine driven fuel pump failure. The low boost is used for takeoff and above 10,000 (or lower under high ambient temp conditions) for vapor suppression, and switching tanks. The Continental and Lycoming fuel systems are as different as any two fuel systems could be. But any low wing plane I've ever flown (Mooneys and Pipers) all had boost pumps used for takeoff and landing with Lycomings. My Mooney 252 (TCM TSIO-360) didn't use a boost pump for takeoff and landing, took some getting used to. Mike Easley Colorado Springs Super ES flying ************************************** See what's free at http://www.aol.com. -------------------------------1178627118 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Kevin,

I fly an ES with an IO-550 and our Yahoo group just had a very detailed= =20 discussion on this topic. High boost is for priming. Low boost i= s=20 your backup in case of an engine driven fuel pump failure. The low boo= st=20 is used for takeoff and above 10,000 (or lower under high ambient temp=20 conditions) for vapor suppression, and switching tanks.

The Continental and Lycoming fuel systems are as different as any two f= uel=20 systems could be. But any low wing plane I've ever flown (Mooneys and=20 Pipers) all had boost pumps used for takeoff and landing with Lycomings.&nbs= p;=20 My Mooney 252 (TCM TSIO-360) didn't use a boost pump for takeoff and landing= ,=20 took some getting used to.

Mike Easley

Colorado Springs

Super ES flying

See w= hat's free at AOL.= com.

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