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From: Buly <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Fuel filter selection
Date: Tue, 20 Dec 2005 10:57:24 -0500
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

>
> My solution, as recommended by others, is a PRM-81794 filter/water  
> seperator before the pump.

Your solution? :) I had it installed a year ago and I like it. Vapor  
lock is caused by a faulty fuel system design. My filter is at the  
lowest point and gravity fed from both tanks. Fuel pumps are also  
below the fuel tanks. People go nuts with check valves, filter on top  
of filter on top of screen, electric solenoid valves  sump tanks etc,  
than wander why the pumps are struggling and vapor locking. Keep it  
simple.
Buly
> This is a high flow unit with dual 1/2" inlets and outlets that  
> filters down to a few microns.  Then a Summit Racing 40-micron  
> inline filter after the pump. The first should insure that  
> everything is clean and dry.  The second will catch most debris  
> that a failing pump or pressure regulator might throw.
>
> The PRM-81794 has a valve on the bottom of the filter.  I presume  
> that is to drain any collected water.  Has anyone investigated semi- 
> permanently attaching a hose leading to an easily accessible drain?
>
> -- 
>         ,|"|"|,                                    |
> ----===<{{(oQo)}}>===----        Dyke Delta         |
>        o|  d  |o          www.ernest.isa-geek.org  |
>
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Buly
atlasyts@bellsouth.net