X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from x.itlnet.net ([64.19.112.9] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTPS id 2321510 for flyrotary@lancaironline.net; Sun, 09 Sep 2007 21:41:32 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.19.112.9; envelope-from=jwvoto@itlnet.net Received: from x.itlnet.net (localhost.localdomain [127.0.0.1]) by x.itlnet.net (8.13.1/8.13.1) with SMTP id l8A1eh6l024840 for ; Sun, 9 Sep 2007 20:40:43 -0500 Received: from itlnet.net (email1.itlnet.net [192.168.10.156]) by x.itlnet.net (x.itlnet.net [172.16.1.148]) id j88Keh0772523500DB ret-id none; Sun, 09 Sep 2007 20:40:43 -0500 Received: from JWVOTO (unverified [64.19.117.28]) by itlnet.net (SurgeMail 3.8p) with ESMTP id 7190-1769559 for ; Sun, 09 Sep 2007 20:40:42 -0500 Message-ID: <007a01c7f34c$4ce52c20$7c741340@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: need help Date: Sun, 9 Sep 2007 20:44:24 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0073_01C7F322.34C03D80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 X-Authenticated-User: jwvoto@itlnet.net X-ITLnet-MailScanner-Information: Please contact the ISP for more information X-ITLnet-MailScanner: Found to be clean X-ITLnet-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-2.599, required 4, autolearn=not spam, BAYES_00 -2.60, HTML_MESSAGE 0.00, SPF_HELO_PASS -0.00) This is a multi-part message in MIME format. ------=_NextPart_000_0073_01C7F322.34C03D80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed,=20 You stated that you use Facet pumps, I suppose these are before the = in-line filter. My concern about using the filters before the efi fuel = pump is that there would be more flow restriction. Since I will be using = gravity fed sump tank (5-6 inch elevation difference and I don't want to = pressurize the sump tank), that vaporization could occur; hence I am = still thinking of a large surface screen in the sump tank (already have = screen wire over the strake tank outlets) to catch small stuff that = could shorten pump life, not necessarily plug up the pump. MSD claims to = be able to handle small particles better than the competition. Thinking = also of putting in a sight glass (Plexiglas) to observe tank behavior = and screen condition. Can Plexiglas hold up to auto gas? Oh yes, the sump tank will have a water catch sub-sump. Wendell (hope I'm making sense) I have opened up my coarse filter 6 times in 10 years. First time had = some small fragments of sealant used to close the tank. The next 5 = times nothing. Of course, a lot will depend on type of tank and quality = of fuel going into the tanks. I replace the EFI filters at each conditional inspection, cut the old = ones open and have never found anything in them either. But, I do use = 100LL aircraft quality gasoline - almost exclusively.. ED ----- Original Message -----=20 From: Wendell Voto=20 To: Rotary motors in aircraft=20 Sent: Sunday, September 09, 2007 4:00 PM Subject: [FlyRotary] Re: need help Thanks Ed, How often do you have to clean the filter? Wendell I have a fine wire mesh filter in an aluminum housing with An-6 = fittings on each end just before the fuel enters my header tank.. You = can unscrew one end to clean the mesh. However, been too long ago and I = find I never logged the part number on my fuel data sheet. But, here are the specific part numbers I use for the EFI filters Fuel Filters: OEM Auto Fuel Injector Fuel Filters (Two in = Parallel) Type: AC GF - 481 Pkg: 25056052 OEM:25055129 (or equivalent) Fittings: 3/8 Saginaw to AN6 Adapter, "O" ring required Ed ----- Original Message -----=20 From: Wendell Voto=20 To: Rotary motors in aircraft=20 Sent: Saturday, September 08, 2007 10:18 PM Subject: [FlyRotary] Re: need help Thanks Rob and Ed for the replys on the MSD fuel pumps.=20 Now; what kind of filter do you have ahead of the pump? I'm = thinking of using some fine mesh screen to make a filter inside the sump = tank. It will be hard to service but believe that one will prolong pump = life and possibly. stop a particle that could interupt fuel flow. What = size mesh is recommended? =20 Wendell =20 I have been using the MSD 2225 for about 20 hour with no = problem so far. Plenty of fuel pressure. Only problem is that it is not = threaded so I had to use the barbed nipples that come with the pump. How = bad can that be? Robert Bollinger FM1099 MUM Fairfield IA 52557 (641)472-7000 ex2068 (641)919-3213 cell rob@mum.edu ------=_NextPart_000_0073_01C7F322.34C03D80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 

Ed,

You stated that you use Facet pumps, I suppose these = are before=20 the in-line filter. My concern about using the filters before the efi = fuel pump=20 is that there would be more flow restriction. Since I will be using = gravity fed=20 sump tank (5-6 inch elevation difference and I don't want to pressurize = the sump=20 tank), that vaporization could occur; hence I am still thinking of a = large=20 surface screen in the sump tank (already have screen wire over the = strake tank=20 outlets) to catch small stuff that could shorten pump life, not = necessarily plug=20 up the pump. MSD claims to be able to handle small particles better than = the=20 competition. Thinking also of putting in a sight glass (Plexiglas) to = observe=20 tank behavior and screen condition. Can Plexiglas hold up to auto=20 gas?
Oh yes, the sump tank will have a water catch=20 sub-sump.

Wendell (hope I'm making sense)

I have opened up my coarse filter 6 times in = 10=20 years.  First time had some small fragments of sealant used to = close the=20 tank.  The next 5 times nothing.  Of course, a lot will = depend on=20 type of tank and quality of fuel going into the tanks.
 
I replace the EFI filters at each conditional=20 inspection, cut the old ones open and have never found anything in = them=20 either.  But, I do use 100LL aircraft quality gasoline - almost=20 exclusively..
 
ED
----- Original Message -----
From:=20 Wendell Voto=20
To: Rotary motors in = aircraft=20
Sent: Sunday, September 09, = 2007 4:00=20 PM
Subject: [FlyRotary] Re: need = help

Thanks Ed,
 
How often do you have to clean the=20 filter?
 
Wendell
 

I have a fine wire mesh filter in an = aluminum=20 housing with An-6 fittings on each end just before the fuel enters = my=20 header tank..  You can unscrew one end to clean the = mesh. =20 However, been too long ago and I find I never logged the part = number on my=20 fuel data sheet.
 
But, here are the specific part numbers I = use for=20 the EFI filters
 

Fuel Filters: OEM Auto Fuel Injector Fuel Filters (Two in=20 Parallel)

Type: AC GF - 481 Pkg: 25056052 OEM:25055129 (or = equivalent)

Fittings: 3/8 Saginaw to AN6 Adapter, "O" ring required

 

Ed

----- Original Message ----- =
From:=20 Wendell=20 Voto
To: Rotary motors in = aircraft=20
Sent: Saturday, September = 08, 2007=20 10:18 PM
Subject: [FlyRotary] Re: = need=20 help

 
Thanks Rob and Ed for the replys on = the MSD=20 fuel pumps.
 
Now;  what kind of filter do = you have=20 ahead of the pump?  I'm thinking of using some fine mesh = screen=20 to make a filter inside the sump tank.  It will be hard = to=20 service but believe that one will prolong pump life and = possibly. stop=20 a particle that could interupt fuel flow.  What size mesh = is=20 recommended?  
 
Wendell

 
I have been using the MSD = 2225 for about=20 20 hour with no problem so far. Plenty of fuel pressure. Only = problem=20 is that it is not threaded so I had to use the barbed nipples = that=20 come with the pump. How bad can that be?
 
Robert Bollinger
FM1099=20 MUM
Fairfield IA 52557
(641)472-7000 = ex2068
(641)919-3213=20 cell
rob@mum.edu
 
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