X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1413842 for flyrotary@lancaironline.net; Thu, 21 Sep 2006 15:43:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-d23.mx.aol.com (mail_out_v38_r7.6.) id q.4d1.103e1b00 (49379) for ; Thu, 21 Sep 2006 15:42:12 -0400 (EDT) Received: from WEBMAIL-RA07 (webmail-ra07.webmail.aol.com [152.163.181.146]) by ciaaol-d06.mail.aol.com (v112_r1.4) with ESMTP id MAILCIAAOLD061-c0e34512eb14234; Thu, 21 Sep 2006 15:42:12 -0400 References: To: flyrotary@lancaironline.net Content-Transfer-Encoding: 7bit Subject: Re: [FlyRotary] Re: Fuel Pressure Regulator Vacuum or Boost?? Date: Thu, 21 Sep 2006 15:42:12 -0400 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: wrjjrs@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MailBlocks_8C8ABCD2AF6204D_E10_1391_WEBMAIL-RA07.sysops.aol.com" X-Mailer: AOL WebMail 19939 Received: from 65.161.241.3 by WEBMAIL-RA07.sysops.aol.com (152.163.181.146) with HTTP (WebMailUI); Thu, 21 Sep 2006 15:42:12 -0400 Message-Id: <8C8ABCD2AFAE501-E10-A25@WEBMAIL-RA07.sysops.aol.com> X-AOL-IP: 152.163.181.146 X-Spam-Flag: NO ----------MailBlocks_8C8ABCD2AF6204D_E10_1391_WEBMAIL-RA07.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii" Ed, You are correct, the "boost reference" is only changed at more than 1 atmosphere. The usually more expensive vacuum and boost referenced unit would lower the pressure at idle. Bill Jepson -----Original Message----- From: joeh@pilgrimtech.com To: flyrotary@lancaironline.net Sent: Thu, 21 Sep 2006 11:48 AM Subject: [FlyRotary] Re: Fuel Pressure Regulator Vacuum or Boost?? I presume your pressure gauge remains steady as you adjust throttle ? Yep, no real change in FP over the entire range from idle to WOT. Joe Hull Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA) Redmond (Seattle), Washington ________________________________________________________________________ Check out the new AOL. Most comprehensive set of free safety and security tools, free access to millions of high-quality videos from across the web, free AOL Mail and more. ----------MailBlocks_8C8ABCD2AF6204D_E10_1391_WEBMAIL-RA07.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="us-ascii"

Ed,

You are correct, the "boost reference" is only changed at more than 1 atmosphere. The usually more expensive vacuum and boost referenced unit would lower the pressure at idle.

Bill Jepson

-----Original Message-----
From: joeh@pilgrimtech.com
To: flyrotary@lancaironline.net
Sent: Thu, 21 Sep 2006 11:48 AM
Subject: [FlyRotary] Re: Fuel Pressure Regulator Vacuum or Boost??

I presume your pressure gauge remains steady as you adjust throttle ?

Yep, no real change in FP over the entire range from idle to WOT.

Joe Hull

Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA)

Redmond (Seattle), Washington

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