X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.123] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3901869 for flyrotary@lancaironline.net; Tue, 27 Oct 2009 22:47:58 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.123; envelope-from=eanderson@carolina.rr.com Received: from computername ([75.191.186.236]) by cdptpa-omta04.mail.rr.com with ESMTP id <20091028024724539.FEPO2056@cdptpa-omta04.mail.rr.com> for ; Wed, 28 Oct 2009 02:47:24 +0000 From: "Ed Anderson" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Prop Loads Date: Tue, 27 Oct 2009 22:47:24 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01CA5757.739C39F0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcpXeEgNJYHlb0sDSre3HPgihEVzDgAAHVxQ In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Message-Id: <20091028024724539.FEPO2056@cdptpa-omta04.mail.rr.com> This is a multi-part message in MIME format. ------=_NextPart_000_0003_01CA5757.739C39F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit There are ways to do that, Greg. But, Al had his 20B on a dyno and could probably give you some "real world" advice on load settings. Al?? Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Greg Ward Sent: Tuesday, October 27, 2009 10:43 PM To: Rotary motors in aircraft Subject: [FlyRotary] Prop Loads Hey Troops; Finally in the dyno room building the mount plate to begin testing. Tracy says that the engine should be tested with the prop on, and this is kind of hard in a dyno room. We are mounting the engine without the PSRU, so that we don't tear it up in testing, and instead hooking directly to the shaft which is loaded by means of a water brake. We can put any load on it that we want, problem is, how to calculate that prop load in foot-pounds, at different settings. Talked to Craig Cato, and he is leaving for Europe, so doesn't have time to run the calcs, and I am just a dumb high country nail-banger. Any thoughts? Greg Ward Lancair 20B N178RG in progress __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ------=_NextPart_000_0003_01CA5757.739C39F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

There are ways to do that, = Greg.

 

But, Al had his 20B on a dyno and = could probably give you some “real world” advice on load = settings.

 

Al??

 

Ed

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Greg Ward
Sent: Tuesday, October = 27, 2009 10:43 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Prop = Loads

 

Hey = Troops;

Finally in the dyno room building = the mount plate to begin testing.  Tracy says that the engine should be tested with the prop on, and this is kind = of hard in a dyno room.  We are mounting the engine without the PSRU, = so that we don't tear it up in testing, and instead hooking directly to the = shaft which is loaded by means of a water brake.  We can put any load on it = that we want, problem is, how to calculate that prop load in foot-pounds, at = different settings.  Talked to Craig Cato, and he is leaving for Europe, so doesn't have time to run the calcs, and I am just a dumb high country nail-banger.  Any thoughts?

Greg = Ward

Lancair 20B N178RG in = progress



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The message was checked by ESET NOD32 Antivirus.

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