X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost03.isp.att.net ([207.115.11.53] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5024053 for flyrotary@lancaironline.net; Fri, 17 Jun 2011 19:10:57 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.53; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-106-31.mco.bellsouth.net[98.85.106.31]) by isp.att.net (frfwmhc03) with SMTP id <20110617231022H03002sasge>; Fri, 17 Jun 2011 23:10:22 +0000 X-Originating-IP: [98.85.106.31] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Blower does work Date: Fri, 17 Jun 2011 19:10:22 -0400 Message-ID: <42FEECBFAB0C48EE93819D271ED67185@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01CC2D22.3505C3D0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcwtQpZS8aUR5DnFQyGdNSSPFdu0GwAANvYQ X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01CC2D22.3505C3D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit If the prop load was maxed out, the rpm would not increase, but the MAP could go up. It sounds, tho, like this might not have been the case since Earnest felt the prop was not pulling. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy Sent: Friday, June 17, 2011 7:01 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Blower does work Why wouldn't you expect the map to go up when you have a blower pressurizing it? Well, if the MAP was actually higher, the engine would be making more power. It wasn't because the rpm in both cases was the same. That's why I'm confused by the graph if it really is MAP ( Manifold Absolute Pressure) you are measuring. Tracy Sent from my iPad On Jun 17, 2011, at 2:30 PM, Ernest Christley wrote: Why wouldn't you expect the map to go up when you have a blower pressurizing it? ------=_NextPart_000_0007_01CC2D22.3505C3D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

If the prop load was maxed out, the = rpm would not increase, but the MAP could go up.  It sounds, tho, like = this might not have been the case since Earnest felt the prop was not = pulling.

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Tracy
Sent: Friday, June 17, = 2011 7:01 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Blower does work

 


Why wouldn't you expect the map to go up when you have a blower pressurizing = it?





Well, if the = MAP was actually higher, the engine would be making more power.  It wasn't = because the rpm in both cases was the same.   That's why I'm confused by = the graph if it really is MAP ( Manifold Absolute Pressure) you are measuring. =   



Tracy

Sent from my iPad


On Jun 17, 2011, at 2:30 PM, Ernest Christley <echristley@nc.rr.com> = wrote:


Why wouldn't you expect the map to go up when you have a blower = pressurizing it?

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