X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 10 [X] Return-Path: Received: from vms040pub.verizon.net ([206.46.252.40] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTP id 1624236 for flyrotary@lancaironline.net; Thu, 30 Nov 2006 09:52:47 -0500 Received: from [71.99.171.240] by vms040.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0J9J00CT1TB7IMRA@vms040.mailsrvcs.net> for flyrotary@lancaironline.net; Thu, 30 Nov 2006 08:52:21 -0600 (CST) Date: Thu, 30 Nov 2006 09:52:19 -0500 From: Finn Lassen Subject: Re: [FlyRotary] Prop windmilling In-reply-to: To: Rotary motors in aircraft Message-id: <456EF023.9010901@verizon.net> MIME-version: 1.0 Content-type: multipart/alternative; boundary=------------040608080807030606070308 X-Accept-Language: en-us, en References: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) This is a multi-part message in MIME format. --------------040608080807030606070308 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit 68x74 is what my notes say. Basically the same as Tracy's original prop. Finn Al Gietzen wrote: > > > 2.176:1 will definitely not windmill at pattern or glide speed for an > RV-3 (about 100 mph). Might make a 1/3 turn and stop again if you > point it down a bit. And that was with an engine that had rather low > compression. > Tested several times over Clearwater Airpark. > > Finn > > Finn; > > What prop diameter and pitch? > > Al > > > >------------------------------------------------------------------------ > >No virus found in this incoming message. >Checked by AVG Free Edition. >Version: 7.1.409 / Virus Database: 268.14.19/556 - Release Date: 11/28/2006 > > > --------------040608080807030606070308 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit 68x74 is what my notes say. Basically the same as Tracy's original prop.

Finn

Al Gietzen wrote:

2.176:1 will definitely not windmill at pattern or glide speed for an RV-3 (about 100 mph). Might make a 1/3 turn and stop again if you point it down a bit. And that was with an engine that had rather low compression.
Tested several times over Clearwater Airpark.

Finn

Finn;

What prop diameter and pitch?

Al
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.1.409 / Virus Database: 268.14.19/556 - Release Date: 11/28/2006

  

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