Return-Path: Received: from [216.8.74.9] (HELO mail.hansoninfosys.com) by logan.com (CommuniGate Pro SMTP 4.2) with SMTP id 350671 for flyrotary@lancaironline.net; Tue, 03 Aug 2004 12:19:45 -0400 Received-SPF: none receiver=logan.com; client-ip=216.8.74.9; envelope-from=dvanwinkle@royell.net Received: (qmail 12631 invoked by uid 89); 3 Aug 2004 16:19:15 -0000 Received: from unknown (HELO dv) (216.89.133.186) by 0 with SMTP; 3 Aug 2004 16:19:15 -0000 Message-ID: <000f01c47976$42ef5720$800010ac@royell.net> From: "Dean" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: Fuel Filter Part Number Date: Tue, 3 Aug 2004 11:23:49 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01C4794C.59930820" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01C4794C.59930820 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Al, Mark, and Scott The pumps that I received from Tracy had a fixed 5/16 hose barb on the = inlet and a 5/16-24 threaded brass hose barb for the outlet. A 5/16-24 = bolt was a perfect fit in the outlet. A 10MMx1.0 bolt would not even = start to engage the threads in the pump because the max thread dia was = too large and the matching metric nut was sloppy on the brass hose barb. = The US thread pitch was 24/inch and the metric 1.0 is 25.4/inch. With = the 991953 fitting only engaging approx 5/16 inch, and the metric thread = being a larger diameter, I felt that I would have sufficient good thread = engagement for a sound joint. Perhaps I overlooked it in the Pegasus = catalog, but I was unable to find an AN6 to 10-1 metric fitting there. I = have purchased other AN fittings there as well as ready made cross-over = brake hoses with metallic braid for my dual brake installation to = replace Van's plastic lines. I think that my experience just shows, = once again, the variation in pumps supplied by the National Aviation = Parts Association (:>)}. I am installing Earl's HP 35 micron bronze = fuel filters (obtained from Wicks) down stream of the pumps and coupling = them with AN6 to AN6 Female Swivel Couplings from Pegasus. Dean ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Tuesday, August 03, 2004 9:11 AM Subject: [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: Fuel = Filter Part Number The pumps I got from Tracy had 10-1 metric threads, both ends. Al Subject: [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: Fuel = Filter Part Number Dean, I may be wrong here, but I believe the threads are metric... 10mm if = I'm correct. It is very close to the 5/16-24, but not a perfect fit. = They sell a 10mm x 1.0 to AN adapter. See: = http://www.pegasusautoracing.com/pdfs/069.pdf =20 Mark At 09:20 PM 8/2/2004 -0500, you wrote: Mark and Scott The NAPA pumps that I purchased from Tracy were marked Carter 2H26A380 = and the screw in barb adapter was a 5/16-24 thread. I was unable to find = any source of 5/16 to AN6 adapters. I obtained the Earl's 991953 fittings = which came with soft aluminum seal washers. Using a 23/64 drill and both = standard and bottoming 10mm-1.0 taps, I was able to cut several almost complete threads to match the Earl's fittings. After removing any trace of = cuttings and carefully smoothing the pump face, I installed the fittings using = the aluminum washers and fuel lube on the threads. They torqued up well = but I haven't had a chance to leak check them yet. Dean Van Winkle RV-9A Fuselage/Finish '89 13B NA, RD-1B, EC2, EM2 ----- Original Message -----=20 From: "marc" To: "Rotary motors in aircraft" Sent: Thursday, July 29, 2004 6:53 PM Subject: [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: Fuel = Filter Part Number > I've always wondered why almost ALL cars never use AN fittings and = their > fuel lines seldom leak. Somehow, with the number of cars on the road > that are fi, I think AN fuel lines are a waste, (if you do it right, > using the right clamps and lines!). > > Marc Wiese > > > > -----Original Message----- > > From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] > On > > Behalf Of Scott > > Sent: Thursday, July 29, 2004 6:41 PM > > To: Rotary motors in aircraft > > Subject: [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: = Fuel > > Filter Part Number > > > > >> > > >>I have Tracy's fuel pumps as well, and I have a note > > that says the fittings to convert those to > > >>AN-6 are Earl's 991953. These are metric 10mm x > > 1.0P to AN-6. > > > > I too purchased Tracy's pumps. The one's sent came > > from NAPA marked as 3f27a380 purchased from Tracy in > > November 2003. The screw in barb adapter on the high > > pressure side of the pump is 3/8" with 24TPI. > > > > Though oddly enough the ID of the tube is 7/32. Not > > 1/4 and not 3/16. Interesting... > > > > Regards... > > -Scott > > > > > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > New and Improved Yahoo! Mail - 100MB free storage! > > http://promotions.yahoo.com/new_mail > > > > >> Homepage: http://www.flyrotary.com/ > > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html > >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html=20 ------=_NextPart_000_000C_01C4794C.59930820 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Al, Mark, and Scott
 
The pumps that I received from Tracy = had a fixed=20 5/16 hose barb on the inlet and a 5/16-24 threaded brass hose barb for = the=20 outlet.  A 5/16-24 bolt was a perfect fit in the outlet.  A = 10MMx1.0=20 bolt would not even start to engage the threads in the pump because the = max=20 thread dia was too large and the matching metric nut was sloppy on = the=20 brass hose barb. The US thread pitch was 24/inch and the metric 1.0 = is=20 25.4/inch.  With the 991953 fitting only engaging approx 5/16=20 inch, and the metric thread being a larger diameter, I felt that I = would=20 have sufficient good thread engagement for a sound joint.  Perhaps = I=20 overlooked it in the Pegasus catalog, but I was unable to find an AN6 to = 10-1=20 metric fitting there. I have purchased other AN fittings there as well = as ready=20 made cross-over brake hoses with metallic braid for my dual = brake=20 installation to replace Van's plastic lines.  I think that my = experience=20 just shows, once again, the variation in pumps supplied by the National = Aviation=20 Parts Association (:>)}.  I am installing Earl's HP 35 micron = bronze=20 fuel filters (obtained from Wicks) down stream of the pumps and coupling = them=20 with AN6 to AN6 Female Swivel Couplings from Pegasus.
 
Dean
----- Original Message -----
From:=20 Al = Gietzen=20
Sent: Tuesday, August 03, 2004 = 9:11=20 AM
Subject: [FlyRotary] Re: = Fittings for=20 Tracys Fuel Pumps Was Re: Fuel Filter Part Number

The=20 pumps I got from Tracy had 10-1 = metric=20 threads, both ends.

 

Al

 

Subject:=20 [FlyRotary] Re: Fittings for Tracys Fuel=20 Pumps Was Re: Fuel Filter Part Number

 

Dean,
I may be wrong here, = but I=20 believe the threads are metric... 10mm if I'm correct.  It is = very close=20 to the 5/16-24, but not a perfect fit.  They sell a 10mm x 1.0 to = AN=20 adapter.  See: http://www.pegasusautoracing.com/pdfs/069.pdf = ;=20

Mark

At 09:20 PM 8/2/2004 -0500, you=20 wrote:

Mark and Scott

The=20 NAPA pumps that I purchased from Tracy were marked = Carter=20 2H26A380 and
the screw in barb adapter was a 5/16-24 thread.  = I was=20 unable to find any
source of 5/16 to AN6 adapters.  I obtained = the=20 Earl's 991953 fittings which
came with soft aluminum seal = washers. =20 Using a 23/64 drill and both standard
and bottoming 10mm-1.0 taps, = I was=20 able to cut several almost complete
threads to match the Earl's=20 fittings.  After removing any trace of cuttings
and carefully=20 smoothing the pump face, I installed the fittings using = the
aluminum=20 washers and fuel lube on the threads. They torqued up well but = I
haven't=20 had a chance to leak check them yet.

Dean Van Winkle
RV-9A=20 Fuselage/Finish  '89 13B NA, RD-1B, EC2, EM2


----- = Original=20 Message -----
From: "marc" <cardmarc@charter.net>
To: = "Rotary=20 motors in aircraft" <flyrotary@lancaironline.net>
Sent: = Thursday,=20 July 29, 2004 6:53 PM
Subject: [FlyRotary] Re: Fittings for Tracys = Fuel=20 Pumps Was Re: Fuel Filter
Part Number


> I've always = wondered=20 why almost ALL cars never use AN fittings and their
> fuel lines = seldom=20 leak. Somehow, with the number of cars on the road
> that are = fi, I=20 think AN fuel lines are a waste, (if you do it right,
> using = the right=20 clamps and lines!).
>
> Marc Wiese
>
>
> = >=20 -----Original Message-----
> > From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]
> = On
>=20 > Behalf Of Scott
> > Sent: Thursday, July 29, 2004 6:41=20 PM
> > To: Rotary motors in aircraft
> > Subject:=20 [FlyRotary] Re: Fittings for Tracys Fuel Pumps Was Re: Fuel
> = >=20 Filter Part Number
> >
> > >> = <snip>
>=20 > >>I have Tracy's fuel pumps as well, and I have a = note
> >=20 that says the fittings to convert those to
> > >>AN-6 = are=20 Earl's 991953.  These are metric 10mm x
> > 1.0P to=20 AN-6.
> >
> > I too purchased Tracy's pumps.  = The one's=20 sent came
> > from NAPA marked as 3f27a380 purchased from = Tracy=20 in
> > November 2003. The screw in barb adapter on the = high
>=20 > pressure side of the pump is 3/8" with 24TPI.
> = >
> >=20 Though oddly enough the ID of the tube is 7/32.  Not
> > = 1/4 and=20 not 3/16.  Interesting...
> >
> > = Regards...
>=20 > -Scott
> >
> >
> >
> = >
>=20 >
> >
> > = __________________________________
> >=20 Do you Yahoo!?
> > New and Improved Yahoo! Mail - 100MB free=20 storage!
> > http://promotions.yahoo.com/new_mail
> = >
>=20 > >>  Homepage:  http://www.flyrotary.com/
> > = >> =20 Archive:   http://lancaironline.net/lists/flyrotary/List.html=
>
>
>
>=20 >>  Homepage:  http://www.flyrotary.com/
> = >> =20 Archive:   http://lancaironline.net/lists/flyrotary/List.html=
>



>> =20 Homepage:  http://www.flyrotary.com/
>> =20 Archive:   http://lancaironline.net/lists/flyrotary/List.html= =20

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