X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 40 [XX] Return-Path: Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 1981520 for flyrotary@lancaironline.net; Thu, 12 Apr 2007 11:10:24 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.117; envelope-from=keltro@att.net Received: from mwebmail09.att.net ([204.127.135.30]) by worldnet.att.net (mtiwmhc13) with SMTP id <20070412150928113003fv5pe>; Thu, 12 Apr 2007 15:09:38 +0000 Received: from [64.250.200.104] by mwebmail09.att.net; Thu, 12 Apr 2007 15:09:28 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Mount offset Date: Thu, 12 Apr 2007 15:09:28 +0000 Message-Id: <041220071509.25837.461E4BA6000ADB61000064ED2160376021019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Mar 24 2007) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_25837_1176390568_0" --NextPart_Webmail_9m3u9jl4l_25837_1176390568_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Lynn and All, That is the method used on the Dyke Delta........The prop flange is kept centered on the thrust line (center of cowling) and the rear of the engine (firewall) is offset the designated amount and direction according to propeller rotation........FWIW -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from Lehanover@aol.com: -------------- In a message dated 4/11/2007 4:05:37 P.M. Eastern Daylight Time, bhughes@qnsi.net writes: Your correct Ernest. I should have specified an RV. I think all of the RV's are designed the same. I have read somewhere it is 1.25 degrees. Just trying to confirm. Bobby With no experience at all in this area, I had imagined that the engine would be turned about a vertical line through the prop flange. This, to induce the required side thrust while keeping the spinner back plate centered over the hole in the cowling. Lynn E. Hanover See what's free at AOL.com. --NextPart_Webmail_9m3u9jl4l_25837_1176390568_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Lynn and All,

That is the method used on the Dyke Delta........The prop flange is

kept centered on the thrust line (center of cowling) and the rear of

the engine (firewall) is offset the designated amount and direction

according to propeller rotation........FWIW

--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold

-------------- Original message from Lehanover@aol.com: --------------

In a message dated 4/11/2007 4:05:37 P.M. Eastern Daylight Time, bhughes@qnsi.net writes:

Your correct Ernest. I should have specified an RV. I think all of the
RV's are designed the same. I have read somewhere it is 1.25 degrees.
Just trying to confirm.

Bobby

With no experience at all in this area, I had imagined that the engine would be turned about a vertical line through the prop flange. This, to induce the required side thrust while keeping the spinner back plate centered over the hole in the cowling.

Lynn E. Hanover

See what's free at AOL.com.

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