Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 576128 for flyrotary@lancaironline.net; Tue, 21 Dec 2004 21:11:17 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041222021049.RPFD2130.imf25aec.mail.bellsouth.net@rd> for ; Tue, 21 Dec 2004 21:10:49 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Fuel pump question. Date: Tue, 21 Dec 2004 20:10:54 -0600 Message-ID: <000701c4e7cb$77e59b10$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C4E799.2D4B2B10" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C4E799.2D4B2B10 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is there ever any reason to have both pumps on at the same time?? Dana Overall =20 I think you'll find that most pilots like to have both on at low = altitudes, as Paul mentioned. I actually run both of mine all the time, except = when I'm transferring fuel (because the extra return flow makes it hard for = my transfer pump to work). I'd personally like to find out about a pump failure when I check them individually during the run-up. =20 =20 The only other concern about the way you're going to hook yours up, = would be if there is any chance that the other pump won't instantly produce = pressure. You might get a momentary loss of fuel pressure when you switch. You've = got that HUGE panel on the -7, so you can afford space for one more switch = :-) =20 Cheers, Rusty=20 ------=_NextPart_000_0008_01C4E799.2D4B2B10 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Is there ever any reason to have
both pumps on at = the same=20 time??

Dana Overall

 
I think = you'll find that=20 most pilots like to have both on at low altitudes, as Paul = mentioned.  I=20 actually run both of mine all the time, except when I'm transferring = fuel=20 (because the extra return flow makes it hard for my transfer pump to=20 work).  I'd personally like to find out about a pump failure when I = check=20 them individually during the run-up. 
 
The only = other concern=20 about the way you're going to hook yours up, would be if there is any = chance=20 that the other pump won't instantly produce pressure.  You might = get a=20 momentary loss of fuel pressure when you switch.  You've got that = HUGE=20 panel on the -7, so you can afford space for one more switch=20 :-)
 
Cheers,
Rusty =



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