X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [129.116.87.142] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTP id 618976 for flyrotary@lancaironline.net; Fri, 29 Jul 2005 09:19:04 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.142; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5943F.FCCFF122" Subject: RE: [FlyRotary] Re: fuel filter question Date: Fri, 29 Jul 2005 08:18:19 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69E016C1C0E@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: fuel filter question Thread-Index: AcWUPwCrMX57dn45TMKRimWU+k64qQAAH51Q From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C5943F.FCCFF122 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of John Slade Sent: Friday, July 29, 2005 8:10 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: fuel filter question =20 Thanks for the info. Where are your pumps located? Mine are on the floor just past the Andair valve. Dual filters are on the firewall.=20 =20 My pumps are under the back seats (Cozy IV) incompartments sealed off from the cockpit, but with a drain to the gear well. The filters are in the gear well. I have no fuel valve, just emergency shut off ball valves - push-pull cables from the armrest pockets. The return is switched by a solenoid on the firewall. The advantage of this system is total redundancy and very short fuel lines. It's only 8 inches (downhill) from the tank to the pump, and the return is also very short. The downside is pilot workload / monitoring that the return is going to the correct tank. I may solve this by adding a facet transfer pump a la Tracy and running off one tank during normal operations.=20 John =20 =20 Thanks for the details John. I had forgotten that you a/c is a pusher. The only way to get my pumps any lower would be to hang them from the belly. I gave Tracy's design serious consideration too. I like its simplicity. =20 =20 Mark ------_=_NextPart_001_01C5943F.FCCFF122 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of John Slade
Sent: Friday, July 29, = 2005 8:10 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = fuel filter question

 

Thanks for the info.  Where are your pumps = located?  Mine are on the floor just past the Andair valve.  Dual filters are on = the firewall. 

 

My pumps are under the back seats (Cozy IV) incompartments = sealed off from the cockpit, but with a drain to the gear well. The filters are = in the gear well. I have no fuel valve, just emergency shut off ball = valves - push-pull cables from the armrest pockets. The return is switched by a = solenoid on the firewall. The advantage of this system is total redundancy and = very short fuel lines. It's only 8 inches (downhill) from the tank to the = pump, and the return is also very short. The downside is pilot workload / = monitoring that the return is going to the correct tank. I may solve this by adding a = facet transfer pump a la Tracy and running off one tank during normal operations.

John

 

 

Thanks for the details John.  I had forgotten that you = a/c is a pusher.  The only way to get my pumps any lower would be to hang = them from the belly.  I gave Tracy’s design serious consideration too.  I like its simplicity.  =

 

Mark

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