X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost04.isp.att.net ([207.115.11.54] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5610710 for flyrotary@lancaironline.net; Wed, 20 Jun 2012 23:13:35 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.54; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-107-198.mco.bellsouth.net[98.85.107.198]) by isp.att.net (frfwmhc04) with SMTP id <20120621031300H04008mst8e>; Thu, 21 Jun 2012 03:13:00 +0000 X-Originating-IP: [98.85.107.198] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: MAP drop Date: Wed, 20 Jun 2012 23:13:03 -0400 Message-ID: <9B0E1FBB601D41B8B254080D80F2F7D5@Desktop> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac1PVcKklk3/ikhpQnSuczSB6xZMvQABYjcg X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 Ernest, My filter gets pressure from the air entering the nostril. I get about 0.5 inch manifold pressure above baro on takeoff. No drop that I can see. Bill B -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ernest Christley Sent: Wednesday, June 20, 2012 10:28 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: MAP drop What I'm trying to get at is that I would expect there to be a pressure drop in the MAP when the engine is sucking air at 5100RPM. I'm trying to figure out what that drop would normally be. Mark Steitle wrote: > Yes, my setup is N/A. When running the air filter bypass I was running > a n/a side port 20b. Now I am running a n/a p-port 20b. > > I don't really follow your second question. I would only open the > bypass when flying above 3k agl so as to not suck in dirty air. > > > On Wed, Jun 20, 2012 at 8:31 PM, Ernest Christley > wrote: > > > Are you running normally aspirated, Mark? When you go WOT, is it > significantly below idle? > > I'm trying to decide if my blower is doing anything positive. At > WOT, 5100RPM, I'm getting 98% of what the barometer is > reading. -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html