Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 617028 for flyrotary@lancaironline.net; Fri, 21 Jan 2005 19:57:44 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=atlasyts@bellsouth.net Received: from [65.11.55.170] by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050122005714.NFLQ2032.imf24aec.mail.bellsouth.net@[65.11.55.170]> for ; Fri, 21 Jan 2005 19:57:14 -0500 User-Agent: Microsoft-Entourage/10.1.4.030702.0 Date: Fri, 21 Jan 2005 19:57:34 -0500 Subject: Re: [FlyRotary] Re: Fuel Injector Sizing From: Bulent Aliev To: Rotary motors in aircraft Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3189182258_17951605" > 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. --B_3189182258_17951605 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit On 1/21/05 6:37 PM, "Ed Anderson" wrote: > George, my fuel pressure gauge reads between 40 and 43 psi depending on > whether I have one or both pumps on. I fly with 40 psi (one pump). My pump > (with no flow) will give a pressure of 80 psi, but a regulator keeps it at > 40-43 psi. I generally check my pumps for their no-flow pressure and have > noticed over the 6 years that the pressure of the main pump has decreased from > 80 psi to 60 psi - so getting near replacement time. The spare pump still > produces 80 psi - less wear as it is normally only on for take off and > landing. > > Ed A Hi Ed, do you set your fuel pressure without the engine running or with? The MAP varies the FP while running, so I Assume 37 psi without engine running would be the benchmark? Buly --B_3189182258_17951605 Content-type: text/html; charset="US-ASCII" Content-transfer-encoding: quoted-printable Re: [FlyRotary] Re: Fuel Injector Sizing On 1/21/05 6:37 PM, &qu= ot;Ed Anderson" <eanderson@carolina.rr.com> wrote:

George, my fuel pressure gauge reads between 40 and 43 psi depending on whe= ther I have one or both pumps on.  I fly with 40 psi (one pump).  =  My pump (with no flow) will give a pressure of 80 psi, but a regulator= keeps it at 40-43 psi.  I generally check my pumps for their no-flow p= ressure and have noticed over the 6 years that the pressure of the main pump= has decreased from 80 psi to 60 psi - so getting near replacement time. &nb= sp;The spare pump still produces 80 psi - less wear as it is normally only o= n for take off and landing.
Ed A

Hi Ed, do you set your fuel pressure without the engine running or with? Th= e MAP varies the FP while running, so I Assume 37 psi without engine  r= unning would be the benchmark?
Buly --B_3189182258_17951605--