Return-Path: Received: from rtp-iport-2.cisco.com ([64.102.122.149] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 724123 for flyrotary@lancaironline.net; Thu, 10 Feb 2005 15:42:05 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.102.122.149; envelope-from=echristl@cisco.com Received: from rtp-core-2.cisco.com (64.102.124.13) by rtp-iport-2.cisco.com with ESMTP; 10 Feb 2005 15:41:21 -0500 X-BrightmailFiltered: true X-Brightmail-Tracker: AAAAAA== Received: from [172.18.179.151] (echristl-linux.cisco.com [172.18.179.151]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j1AKfIhF015849 for ; Thu, 10 Feb 2005 15:41:19 -0500 (EST) Message-ID: <420BC6EE.8060408@cisco.com> Date: Thu, 10 Feb 2005 15:41:18 -0500 From: Ernest Christley User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040929 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: : 13b vs 360 performance References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Tracy Crook wrote: > RPM alone doesn't prove anything, but yes, I got 6400 RPM with the > 2.176 : 1 drive ratio and 7300 RPM with the 2.85 : 1. I beat several > O - 360 RVs with both setups. > > Tracy You said it, Tracy. RPM is as useless as torque as a standalone figure. I could get 10,000RPM out of my truck engine. All I'd have to do is remove that shaft going to the rear axle. ('Course then I'd have to send my boys out to pick trunk engine parts out of the neighbors yard 8*) It is ONLY when the two are combined that we get any meaningful information.