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Here is the part number AEI-12308
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From: Rotary motors in aircraft on behalf of Bobby J. Hughes
Sent: Tue 12/20/2005 6:50 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Fuel filter selection
Buly,
Try this one. I have purchased it for the high pressure side. http://store.summitracing.com/default.asp?Ntt=fuel+filter&searchinresults=false&Ntk=KeywordSearch&DDS=1&N=115&target=egnsearch.asp
Cost-effective filtering for your engine.
These Aeromotive fuel filters feature an advanced flow-through design, to allow steady fuel flow with less than a .15 psi pressure drop. Designed for carbureted or fuel-injected engines from 200 to 1,000 hp, they're made from 6061-T651 aluminum alloy and have a 10-micron filtering element for reliable protection.
Not sure about the cost effective part.
I am also planning to use the same filters as Ed A and Egg subi package. . on the low pressure side. I will check pressure loss during testing and make a final decision based on head pressure, wing dihedral and pressure loss etc.
Those filter bags that Al is mentioned look good as well but I am not sure I could retrofit them into my RV10 tanks. I figure within the next year their should be another 100 or so Egg's in the air so that is a pretty good test group.
Bobby
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From: Rotary motors in aircraft on behalf of Buly
Sent: Tue 12/20/2005 11:30 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Fuel filter selection
Hi Ed,
The cars take fuel an inch or so up from the bottom and avoid most of
the sediment. I have cut gas open tanks and you'll be surprised
what's left inside after few years. At least on my plane the fuel is
drained at the tank's lowest point, and I would like to have any
sediment or water to come out and be trapped in the filter/water
separator, instead of accumulating on the screen inside the tank.
I'm nervous about installing high pressure filters in the gas lines,
but that's my opinion. Just another 2 connectors that can fail? One
day If I'm proven wrong, maybe I'll install one too :)
Buly
On Dec 20, 2005, at 12:10 PM, Ed Anderson wrote:
> Buly, I'm not that knowledgeable about pumps or filters. But, I
> notice that on the automobiles there is generally a "coarse"
> filters on the inlets of the pumps in the fuel tanks and "fine"
> High Pressure filters after the pumps, but before the injectors.
>
> Obviously, you have experience that indicates problems with that
> combination - yet, wonder why we see it in the automobile?
>
> Ed A
>
> .
> ----- Original Message ----- From: "Buly" <atlasyts@bellsouth.net>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Tuesday, December 20, 2005 10:24 AM
> Subject: [FlyRotary] Re: Fuel filter selection
>
>
>> Guys, I don't understand why you are installing filters AFTER the
>> pumps? I sell large SEPAR diesel fuel filters and I always
>> recommend all the filtering to be done before the pumps and out
>> of the tanks.
>> Any water or debris if it's allowed to reach the pumps, will be
>> beaten into smaller particles and may be PUSHED thru the filter,
>> or even will damage the pumps.
>> I personally suffered on my boat by frequent engine stopages in
>> the worst of times, only to discover that the manufacturer have
>> installed a screen on the pick up tube inside of the tank, where
>> can not be seen or cleaned.
>> The same manufacturer had to fix or replace number of engines only
>> because he installed the fuel pumps BEFORE the filter. Any water
>> in the fuel was beaten in to fine emulsion and pushed thru the
>> filter into the injectors. Results were rusted injectors, rusted
>> high pressure pumps and more.
>> Buly
>>
>>> Kelly Troyer wrote:
>>>
>>>> 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 !!
>>>
>>>
>>> I love this list. I had not thought to check the pressure
>>> rating. I just assumed that a filter could take the pressure.
>>> It's not like 90PSI is difficult to design for. But after Mark
>>> suggested it, I went looking. Sho' 'nuff, no rating.
>>>
>>> Any of you carbeurated guys want a pretty glass filter for 3/8"
>>> hose lines?
>>>
>>> --
>>> ,|"|"|, |
>>> ----===<{{(oQo)}}>===---- Dyke Delta |
>>> o| d |o www.ernest.isa-geek.org |
>>>
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>>
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>
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