X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail10.syd.optusnet.com.au ([211.29.132.191] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTPS id 2722864 for flyrotary@lancaironline.net; Sat, 09 Feb 2008 20:27:10 -0500 Received-SPF: pass receiver=logan.com; client-ip=211.29.132.191; envelope-from=lendich@optusnet.com.au Received: from george (d58-109-29-156.dsl.nsw.optusnet.com.au [58.109.29.156]) by mail10.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id m1A1QLxw004011 for ; Sun, 10 Feb 2008 12:26:23 +1100 Message-ID: <001c01c86b83$f33edc10$9c1d6d3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Rotor Weight Codes Date: Sun, 10 Feb 2008 11:26:22 +1000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean Richard, I don't say that - it was Ernest! He just added a couple of lines to my e-mail and didn't sign it. George (down under). > George, > > the rotor is not sliding "back and forth" , it only makes a clean circular > motion around its own center. The weight only is significant for the > centrifugal force on the e-shaft lobe. > This is why the rotary can be perfectly balanced. > Just trying to keep the rotary straight. > > Richard Sohn > N2071U > > > ----- Original Message ----- > From: "Ernest Christley" > To: "Rotary motors in aircraft" > Sent: Saturday, February 09, 2008 7:49 AM > Subject: [FlyRotary] Re: Rotor Weight Codes > > >> George Lendich wrote: >>> Ernest, >>> I weighted the RX8 rotor, 4222Gram or 149 oz or 9.3 lbs. >>> Is my conversion right? >> That works according to onlineconversion.com >>> That's only .24 lb of a difference between the 89-95 rotors to the RX8. >> Considering the accelerations involved in slinging that rotor back and >> forth at 2000RPM (speed of the rotor), 1/4lb is significant. >> >> -- >> >> http://www.ronpaultimeline.com >> >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: >> 269.19.21/1266 - Release Date: 2/8/2008 10:06 AM >> >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: > 269.19.21/1267 - Release Date: 8/02/2008 8:12 PM >