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Here is the part number AEI-12308 ________________________________
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 ________________________________ 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 | -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
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