X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from sccrmhc12.comcast.net ([204.127.202.56] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTP id 617823 for flyrotary@lancaironline.net; Thu, 28 Jul 2005 12:44:25 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.202.56; envelope-from=n3773@comcast.net Received: from rv8 (c-24-21-140-241.hsd1.or.comcast.net[24.21.140.241]) by comcast.net (sccrmhc12) with SMTP id <2005072816434001200c25nne>; Thu, 28 Jul 2005 16:43:41 +0000 Message-ID: <000b01c59393$82275ae0$f18c1518@rv8> Reply-To: "kevin lane" From: "kevin lane" To: "Rotary motors in aircraft" References: Subject: fuel filter question Date: Thu, 28 Jul 2005 09:43:35 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C59358.D2E31630" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C59358.D2E31630 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I suspect that my engine problems stem from a design flaw, rather than a = blockage. I normally never run my engine full power, full rich, but = have been while breaking in the new rings. even leaning the engine a = few notches prevents my problem, so it never arose in the past. my auto = fuel filters are on the "suck" side, between the tanks and the selector = valve. they are small, glass see-thru mesh filters. I realize now that = all the fuel passes thru a pair of like 1/8" holes from a common 1/4" = passage. I also see that the facet pump, despite pumping 15+ gals / hr = with no head pressure, will only produce 1.75 lbs pressure when attached = to the carb and bypassing the manual pump. my question - I was told not to use a fuel injection filter on a low = pressure system like mine. I would like to keep the filters where they = are rather than moving them to the engine compartment, since they filter = stuff ahead of my flow meter and pumps. I like how they fit along the = wing spar below my knees. I had problems with the replaceable filters = shedding fibers into the carb, which is why I changed to the mesh = filters. does anyone know what I should be using? I plan to do more testing this weekend if my wife will let me drive = her car("no, I'm not feeling sleepy :-)" to get to the airport. Kevin Lane Portland, OR e-mail-> n3773@comcast.net ------=_NextPart_000_0008_01C59358.D2E31630 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I suspect that my engine = problems stem=20 from a design flaw, rather than a blockage. I normally never run = my engine=20 full power, full rich, but have been while breaking in the new = rings. even=20 leaning the engine a few notches prevents my problem, so it never arose = in the=20 past. my auto fuel filters are on the "suck" side, between the = tanks and=20 the selector valve. they are small, glass see-thru mesh = filters. I=20 realize now that all the fuel passes thru a pair of like 1/8" holes from = a=20 common 1/4" passage. I also see that the facet pump, despite = pumping 15+=20 gals / hr with no head pressure, will only produce 1.75 lbs pressure = when=20 attached to the carb and bypassing the manual pump.

my = question - I was=20 told not to use a fuel injection filter on a low pressure system like=20 mine. I would like to keep the filters where they are rather than = moving=20 them to the engine compartment, since they filter stuff ahead of my flow = meter=20 and pumps. I like how they fit along the wing spar below my = knees. I=20 had problems with the replaceable filters shedding fibers into the carb, = which=20 is why I changed to the mesh filters. does anyone know what = I should=20 be using?

I plan to = do more=20 testing this weekend if my wife will let me drive her car("no, I'm not = feeling=20 sleepy :-)" to get to the airport.

Kevin Lane Portland, OR
e-mail-> n3773@comcast.net

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