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Date: Mon, 19 Dec 2005 10:55:37 -0500
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Fuel filter selection
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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?

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