Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2636304 for flyrotary@lancaironline.net; Tue, 14 Oct 2003 09:35:38 -0400 Received: from rad ([68.212.14.231]) by imf16aec.mail.bellsouth.net (InterMail vM.5.01.05.27 201-253-122-126-127-20021220) with ESMTP id <20031014133535.JNEK1781.imf16aec.mail.bellsouth.net@rad> for ; Tue, 14 Oct 2003 09:35:35 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Fuel pumps Date: Tue, 14 Oct 2003 08:36:09 -0500 Message-ID: <000001c39258$20745ca0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C3922E.379E54A0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C3922E.379E54A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have been using a three-minute electronic timer (home-made) to = transfer fuel. The Facet pump moves about one GPH, so every time I push the = button, I get three gallons. Works great for lateral trim. Thanks. I know Tracy has something like this, but I knew someone else = did as well. Do you have some sort of special Facet pump? Mine, and I = think Tracy's, only moves about 1/2 GPM. I looked for a high flow pump, but = ended up with the regular Facet, like you would use for a boost pump with a Lycoming. As for the fuel pumps, I only run on one except for takeoff and landing. When I do a run-up, the last thing I do is turn on the second pump and = watch for a 2-3 psi increase in fuel pressure. That tells me it is working. = At 1000 feet agl, I turn off the second pump. My theory is that by only running it for takeoff and landing, it gets very little wear and the = filter will last a very long time. If the primary pump or filter go south, I = have a fresh pump and filter to take the load. I certainly can't fault that logic, but I still feel better running = both. =20 Rusty (cowl arriving today) ------=_NextPart_000_0001_01C3922E.379E54A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

I have been using a three-minute electronic timer = (home-made) to=20 transfer fuel.  The Facet pump moves about one GPH, so every time I = push=20 the button, I get three gallons.  Works great for lateral = trim.

Thanks.  I know=20 Tracy has something like this, but I knew someone else did as = well.  Do you=20 have some sort of special Facet pump?  Mine, and I think Tracy's, = only=20 moves about 1/2 GPM.  I looked for a high flow pump, but ended up = with the=20 regular Facet, like you would use for a boost pump with a = Lycoming.

As for the fuel pumps, I only run on one except for takeoff and=20 landing.  When I do a run-up, the last thing I do is turn on the = second=20 pump and watch for a 2-3 psi increase in fuel pressure.  That tells = me it=20 is working.  At 1000 feet agl, I turn off the second pump.  My = theory=20 is that by only running it for takeoff and landing, it gets very little = wear and=20 the filter will last a very long time.  If the primary pump or = filter go=20 south, I have a fresh pump and filter to take the load.

I certainly can't = fault that=20 logic, but I still feel better running both.  

Rusty (cowl arriving=20 today)

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