Mailing List flyrotary@lancaironline.net Message #28591
From: keltro@att.n <keltro@att.net>
Subject: Re: [FlyRotary] Re: Fuel filter selection
Date: Mon, 19 Dec 2005 23:41:55 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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 |
>
> --
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