X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc11.worldnet.att.net ([204.127.131.115] verified) by logan.com (CommuniGate Pro SMTP 5.0.4) with ESMTP id 889064 for flyrotary@lancaironline.net; Mon, 19 Dec 2005 18:42:45 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.115; envelope-from=keltro@att.net Received: from 204.127.135.75 ([204.127.135.75]) by worldnet.att.net (mtiwmhc11) with SMTP id <2005121923415611100nben1e>; Mon, 19 Dec 2005 23:42:01 +0000 Received: from [64.136.27.229] by 204.127.135.75; Mon, 19 Dec 2005 23:41:55 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Fuel filter selection Date: Mon, 19 Dec 2005 23:41:55 +0000 Message-Id: <121920052341.12139.43A745430002DBAF00002F6B2160466648019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Nov 10 2005) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_12139_1135035715_0" --NextPart_Webmail_9m3u9jl4l_12139_1135035715_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Ernest, My opinion also !! There is a potential 90 psi surge pressure from healthy EFI pumps........I do not believe any of the cheap glass filters are rated that high !! -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from "Mark R Steitle" : -------------- > Ernest, > I would recommend you check the threads on the glass filter real good. > I had one on my Goldwing motorcycle fall apart while riding down the > road. The engine quit, but luckily there was no fire. Turns out the > threads were not made correctly and it fell apart while in use. I would > also want to see the pressure rating on any unit I was considering using > on an efi system. > > Mark S. > > > > -----Original Message----- > From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On > Behalf Of Ernest Christley > Sent: Monday, December 19, 2005 9:56 AM > To: Rotary motors in aircraft > Subject: [FlyRotary] Re: Fuel filter selection > > Al Gietzen wrote: > > > > > I don't recall the source anymore, but when I was selecting fuel > > filters the info I had suggested 40 microns max for fuel injection > > systems. > > > > Al > > > Summit has another filter that looks nearly identical that goes down to > 35 microns, with a stainless steel mesh screen. It isn't rated for as > much flow, but it still borders on the ridiculously high for our > application. I'm going to install one of those after the pumps, and one > of the PRM-81794 before. The PRM will insure the fuels clean and dry, > and the other will catch any pieces that come loose from the pump. I > feel very comfortable with that design. > > I may also install one of the glass filter that go inline with the hose, > > putting it forward of the firewall. They're only $10 and it would give > me a decent preflight check that nothing has gone horribly wrong > upstream while I wasn't looking. Is that sound reasoning? > > -- > ,|"|"|, | > ----===<{{(oQo)}}>===---- Dyke Delta | > o| d |o www.ernest.isa-geek.org | > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ --NextPart_Webmail_9m3u9jl4l_12139_1135035715_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Ernest,
   My opinion also !! There is a potential 90 psi  surge pressure from
healthy EFI pumps........I do not believe any of the cheap glass filters
are rated that high !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2




-------------- Original message from "Mark R Steitle" <mark.steitle@austin.utexas.edu>: --------------


> Ernest,
> I would recommend you check the threads on the glass filter real good.
> I had one on my Goldwing motorcycle fall apart while riding down the
> road. The engine quit, but luckily there was no fire. Turns out the
> threads were not made correctly and it fell apart while in use. I would
> also want to see the pressure rating on any unit I was considering using
> on an efi system.
>
> Mark S.
>
>
>
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Ernest Christley
> Sent: Monday, December 19, 2005 9:56 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Fuel filter selection
>
> Al Gietzen wrote:
>
> >
> > I don't recall the source anymore, but when I was selecting fuel
> > filters the info I had suggested 40 microns max for fuel injection
> > systems.
> >
> > Al
> >
> Summit has another filter that looks nearly identical that goes down to
> 35 microns, with a stainless steel mesh screen. It isn't rated for as
> much flow, but it still borders on the ridiculously high for our
> application. I'm going to install one of those after the pumps, and one
> of the PRM-81794 before. The PRM will insure the fuels clean and dry,
> and the other will catch any pieces that come loose from the pump. I
> feel very comfortable with that design.
>
> I may also install one of the glass filter that go inline with the hose,
>
> putting it forward of the firewall. They're only $10 and it would give
> me a decent preflight check that nothing has gone horribly wrong
> upstream while I wasn't looking. Is that sound reasoning?
>
> --
> ,|"|"|, |
> ----===<{{(oQo)}}>===---- Dyke Delta |
> o| d |o www.ernest.isa-geek.org |
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
--NextPart_Webmail_9m3u9jl4l_12139_1135035715_0--