X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost02.isp.att.net ([207.115.11.52] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5024971 for flyrotary@lancaironline.net; Sat, 18 Jun 2011 23:34:55 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.52; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-106-31.mco.bellsouth.net[98.85.106.31]) by isp.att.net (frfwmhc02) with SMTP id <20110619033420H0200cej3re>; Sun, 19 Jun 2011 03:34:20 +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: Sat, 18 Jun 2011 23:34:21 -0400 Message-ID: <21E3A34C7C294409B85B2BE65B6E81B0@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01CC2E10.4063AB90" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcwuKgL0RD1J2iWTT3ONsLgN30zZxwAB5Siw X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01CC2E10.4063AB90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Ernest, Do you have any pictures of this prop carving process? That sounds interesting. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ernest Christley Sent: Saturday, June 18, 2011 10:38 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Blower does work On 06/18/2011 01:50 PM, DLOMHEIM@aol.com wrote: Ernest Wrote: "Second, if the prop limits rpm, the MAP will not continue to increase. The blower is tied to the prop with a 3.18 gear ratio. Since it won't turn any faster, it won't be able to raise the MAP any further". So Ernest...when are going to start working on a two speed blower like the big Pratt's from WWII used???? :) Doug Dude, I can't even get this one to work. 8*) Got 10hrs of prop carving done today, including building a jig to ensure both blades are the same. ------=_NextPart_000_0003_01CC2E10.4063AB90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Ernest,

=

Do you have any pictures of this = prop carving process?  That sounds = interesting.

 

Bill B

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ernest Christley
Sent: Saturday, June 18, = 2011 10:38 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Blower does work

 

On 06/18/2011 01:50 PM, DLOMHEIM@aol.com wrote: =

Ernest Wrote: "Second, = if the prop limits rpm, the MAP will not continue to increase. The blower is = tied to the prop with a 3.18 gear ratio. Since it won't turn any faster, it = won't be able to raise the MAP any further".

So Ernest...when are going to start working on = a two speed blower like the big Pratt's from WWII used????  = :)

 

Doug

Dude, I can't even get this one to work. =   8*)

Got 10hrs of prop carving done today, including building a jig to ensure = both blades are the same.

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