Return-Path: Received: from [65.54.169.56] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 741649 for flyrotary@lancaironline.net; Wed, 16 Feb 2005 13:21:46 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.169.56; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 16 Feb 2005 10:21:00 -0800 Message-ID: Received: from 4.174.3.22 by BAY3-DAV26.phx.gbl with DAV; Wed, 16 Feb 2005 18:20:41 +0000 X-Originating-IP: [4.174.3.22] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fuel System Design - Jet Pump Date: Wed, 16 Feb 2005 13:20:42 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00AB_01C5142A.50FA2580" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Wed, 16 Feb 2005 13:20:42 -0500 X-OriginalArrivalTime: 16 Feb 2005 18:21:00.0272 (UTC) FILETIME=[44208F00:01C51454] This is a multi-part message in MIME format. ------=_NextPart_000_00AB_01C5142A.50FA2580 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable No!!! Don't go there! We don't need to prove that jet pumps work, of = course they do. Whether they are a good idea on an airplane is another = question. (I won't go there : ) Work on the PLANE, not pointless exercises ! Tracy Ernest,=20 Looks like I'll have to set up a test stand using a jet pump and a couple of 1 gallon cans and see if this idea has merit. =20 Mark S. -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Ernest Christley Sent: Wednesday, February 16, 2005 8:15 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fuel System Design - Jet Pump Jim Sower wrote: > <... you'd want two lines. One from the bottom of B to the jet = pump. > Another from the mid level of A to the top of B ... A full B = empty...=20 > B full A empty ... A & B half full ... A & B full ... parked on a = hill > ... > > Sounds a lot like a ten-cent tail wagging a forty-dollar dog here. =20 > Didn't we set out to *simplify* something? How about just ONE line=20 > from B to A with a Facet pump. To get fancy, you could have a=20 > momentary ON for the pump that would cause it to pump for 2 or 3 min = > or something and then turn itself off.=20 > > Just trying to stay on message ... Jim S. > The simplification is fewer moving parts and less pilot intervention. = The fuel just magically appears where it needs to be, and the tank=20 magically stay balanced. > PS Has anyone actually *seen* the two-line-jet-pump and watched it=20 > actually WORK ?? > (the devil made me say that ) Well, I expect to see you in church on Sunday then 8*) Actually, it's even worse for me. With only one tank, I don't even = have a dog in this race. Just a topic that is a lot more interesting than=20 BGP router test cases. >> 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 ------=_NextPart_000_00AB_01C5142A.50FA2580 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

No!!! Don't go there! We don't need to prove that jet = pumps=20 work, of course they do. Whether they are a good idea on an = airplane is=20 another question. (I won't go there : )

Work on the PLANE, not pointless exercises !

Tracy

Ernest,=20
Looks like I'll have to set up a test stand using a jet pump and=20 a
couple of 1 gallon cans and see if this idea has merit. =20

Mark S.

-----Original Message-----
From: Rotary = motors in=20 aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest=20 Christley
Sent: Wednesday, February 16, 2005 8:15 AM
To: Rotary = motors=20 in aircraft
Subject: [FlyRotary] Re: Fuel System Design - Jet=20 Pump

Jim Sower wrote:

> <... you'd want two = lines. =20 One from the bottom of B to the jet pump.

> Another from the = mid=20 level of A to the top of B ... A full B empty...
> B full A = empty ... A=20 & B half full ... A & B full ... parked on a hill

> = ..=20 >
> Sounds a lot like a ten-cent tail wagging a forty-dollar = dog=20 here.
> Didn't we set out to *simplify* something? = How=20 about just ONE line
> from B to A with a Facet pump. To = get=20 fancy, you could have a
> momentary ON for the pump that would = cause it=20 to pump for 2 or 3 min
> or something and then turn itself off. =
>
> Just trying to stay on message ... Jim = S.
>

The=20 simplification is fewer moving parts and less pilot = intervention. =20
The fuel just magically appears where it needs to be, and the tank =
magically stay balanced.

> PS Has anyone actually = *seen*=20 the two-line-jet-pump and watched it
> actually WORK ??
> = (the=20 devil made me say that )

Well, I expect to see you in = church on=20 Sunday then 8*)
Actually, it's even worse for me. With only = one tank,=20 I don't even have

a dog in this race. Just a topic that = is a lot=20 more interesting than
BGP router test cases.

>> = Homepage: http://www.flyrotary.com/
>&= gt; =20 Archive: http://lancai= ronline.net/lists/flyrotary/List.html

>> =20 Homepage: http://www.flyrotary.com/
>&= gt; =20 Archive: http://lancai= ronline.net/lists/flyrotary/List.html

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