X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost06.isp.att.net ([207.115.11.56] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3885030 for flyrotary@lancaironline.net; Tue, 13 Oct 2009 19:22:26 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.56; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-157-211-223.mco.bellsouth.net[70.157.211.223]) by isp.att.net (frfwmhc06) with SMTP id <20091013232151H0600nueu0e>; Tue, 13 Oct 2009 23:21:51 +0000 X-Originating-IP: [70.157.211.223] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: where's the missing power? Date: Tue, 13 Oct 2009 19:21:53 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002D_01CA4C3A.6C9A0DD0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcpMU5ieqpvNYopmQ8ue2v5ZBAyqEAACB+3A X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 This is a multi-part message in MIME format. ------=_NextPart_000_002D_01CA4C3A.6C9A0DD0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Since you have the vacuum gauge, this article will help you use it for troubleshooting. http://autospeed.com/cms/A_2393/article.html Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Tuesday, October 13, 2009 7:22 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: where's the missing power? I dont have a regular manifold pressure gauge, just an industrial type vacuum gauge ( I really gotta get an MP gauge). Anyway, the vacuum gauge was indicating 4" of vacuum. Where are you measuring the 4" vacuum? If it is near the ports it is no unusual; if it is out before the runners; something is wrong. Al ------=_NextPart_000_002D_01CA4C3A.6C9A0DD0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Since you have the vacuum gauge, this article will help you use = it for troubleshooting.

 

 http://autospeed.co= m/cms/A_2393/article.html

 

Bill B

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Tuesday, October = 13, 2009 7:22 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = where's the missing power?

I dont have a regular = manifold pressure gauge, just an industrial type vacuum gauge ( I really gotta get an MP = gauge). Anyway, the vacuum gauge was indicating 4" of = vacuum.

 

Where are you measuring the = 4” vacuum?  If it is near the ports it is no unusual; if it is out = before the runners; something is wrong.

 

Al

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