X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from m15.nyc.untd.com ([64.136.22.78] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with SMTP id 1002725 for flyrotary@lancaironline.net; Wed, 15 Jun 2005 08:49:29 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.22.78; envelope-from=jbker@juno.com Received: from m15.nyc.untd.com (localhost [127.0.0.1]) by m15.nyc.untd.com with SMTP id AABBMAJ6LAHL6EVJ for (sender ); Wed, 15 Jun 2005 05:48:10 -0700 (PDT) X-UNTD-OriginStamp: Y+Mfppm2QyGfnY/dq+iW1TxkKbMUFCiHbT4khcMtlHq+KHVsxFLS6Q== Received: (from jbker@juno.com) by m15.nyc.untd.com (jqueuemail) id KVJPNY6V; Wed, 15 Jun 2005 05:47:03 PDT To: flyrotary@lancaironline.net Date: Wed, 15 Jun 2005 08:02:20 -0400 Subject: Re: [FlyRotary] Re: fuel pump mounting ( fuel system architecture) Message-ID: <20050615.084215.3416.12.JBKER@juno.com> X-Mailer: Juno 5.0.33 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=--__JNP_000_36b1.4f08.2396 X-Juno-Line-Breaks: 8-6,8-9,14-20,22,24-34,36-46,48,50-51,53,55,57,59,61,63-65,66-32767 From: WALTER B KERR X-ContentStamp: 15:7:601770086 X-MAIL-INFO:2721ed040da14dcd952940bdad20249044e4 X-UNTD-Peer-Info: 127.0.0.1|localhost|m15.nyc.untd.com|jbker@juno.com This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ----__JNP_000_36b1.4f08.2396 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Kelly, I think that is the optimum system but did not want to buy the expensive Andair dual valve :>) I think the air line hump is not a problem in a return to tank FI system because it will any air will immediately be blown back to the tank and vented. This of course would not clear a non return system such as a carb engine has and it would need to be replumed or have the small orifice fix. Bernie ------------------------------------------- On Wed, 15 Jun 2005 05:16:47 +0000 keltro@att.net (Kelly Troyer) writes: Bernie, Not Mark but will give it a try........Mark has a dual level fuel valve which determines which tank that fuel is drawn from and returned to.........If I have understood your question correctly !! -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from WALTER B KERR : -------------- > > On Tue, 14 Jun 2005 16:23:22 -0500 "Mark R Steitle" > writes: > > Jerry, > > You forced me to do a sketch. So, here it is. > > > > Mark > >--------------------------------------- > Mark, why do you choose not to return fuel to the tank instead of to the > selector valve? I have been to 17000 feet in Fla on auto gas and when I > landed the tanks feel very cool to hand and this is the fuel that the > pump sees rather than the elevated temps coming back from the engine bay. > I have run tanks dry above 10000 and the engine quickly fired off as soon > as I switched tanks so returning fuel to the tank has passed any test I > can think of. The fact that the system apparently boils someplace along > the way during ground shutdown but quickly clears when the pump is turned > on says that if I had a small orifice that it probably would take longer > to bleed the vapor rather than returning it to a cooler tank. > > Bernie ----__JNP_000_36b1.4f08.2396 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: quoted-printable

Hi Kelly, I think that is the optimum system but did not want to buy = the=20 expensive Andair dual valve :>)

I think the air line hump is not a problem in a return to tank FI = system=20 because it will any air will immediately be blown back to the tank and = vented.=20 This of course would not clear a non return system such as a carb engine = has and=20 it would need to be replumed or have the small orifice fix.

Bernie

-------------------------------------------

On Wed, 15 Jun 2005 05:16:47 +0000 keltro@att.net (Kelly Troyer) writes:

Bernie,

Not Mark but will give it a try........Mark has a= dual=20 level fuel valve which

determines which tank that fuel is drawn from and returned to.......= ..If=20 I have

understood your question correctly !!

--
Kelly Troyer
Dyke=20 Delta/13B/RD1C/EC2

--------------=20 Original message from WALTER B KERR <jbker@juno.com>: -----------= ---=20

>
> On Tue, 14 Jun 2005 16:23:22 -0500 "Mark R=20 Steitle"
> writes:
> >= =20 Jerry,
> > You forced me to do a sketch. So, here it is.
= >=20 >
> > Mark
> >----------------------------------= -----=20
> Mark, why do you choose not to return fuel to the tank instead= of=20 to the
> selector valve? I have been to 17000 feet in Fla on = auto gas=20 and when I
> landed the tanks feel very cool to hand and this is= the=20 fuel that the
> pump sees rather than the elevated temps coming = back=20 from the engine bay.
> I have run tanks dry above 10000 and the= =20 engine quickly fired off as soon
> as I switched tanks so = returning=20 fuel to the tank has passed any test I
> can think of. The fact = that=20 the system apparently boils someplace along
> the way during = ground=20 shutdown but quickly clears when the pump is turned
> on says = that if=20 I had a small orifice that it probably would take longer
> to = bleed=20 the vapor rather than returning it to a cooler tank.
>
>= =20 Bernie

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