X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5026330 for flyrotary@lancaironline.net; Mon, 20 Jun 2011 13:27:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=pLPlkKcK38cN4Cv4YkVeTGGRYpmKez/IrX640LVKWnc= c=1 sm=0 a=W9st6jxKom0A:10 a=8nJEP1OIZ-IA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=HZJGGiqLAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=c3H6dgNMDAjcGYtdHSIA:9 a=--bzlS2R9cgG9nfhAjwA:7 a=wPNLvfGTeEIA:10 a=Qa1je4BO31QA:10 a=HeoGohOdMD0A:10 a=EzXvWhQp4_cA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:59991] helo=EdPC) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 60/BC-20202-7D28FFD4; Mon, 20 Jun 2011 17:26:47 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Filterless Values of MAP FlyRotary] Re: Blower does work Date: Mon, 20 Jun 2011 13:26:43 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 Ok, my bad wag {:>) Still, sort of hard to understand why you were getting lower manifold pressure with the filter gone and the prop blasting into the TB. I could understand peaks and valleys, but would sort of think it would average higher rather than lower. I'm sure you will lets us all know when you do {:>) Ed -------------------------------------------------- From: "Ernest Christley" Sent: Monday, June 20, 2011 12:37 PM To: "Rotary motors in aircraft" Subject: [FlyRotary] Re: Filterless Values of MAP FlyRotary] Re: Blower does work > Ed Anderson wrote: >> Regarding the Filterless values - in looking at your photo, if all you do >> is remove the filter and leave the curved intake tube in place - then >> what you may be getting is a prop effect of the wind blast past the end >> of the tube - causing a possible lowering of pressure in the tube >> (siphoning out the air trying to go down the tube) - just a WAG. >> > > Not a bad WAG. What I actually did was remove the elbow with the filter. > The throttle body was bare, sucking straight from the prop "blast", or at > least what there was of a blast. It would make sense that the MAP sensor > would be wide open to wild fluctuations. > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >