Return-Path: Sender: (Marvin Kaye) To: flyrotary@lancaironline.net Date: Mon, 22 Mar 2004 23:36:57 -0500 Message-ID: X-Original-Return-Path: Received: from fed1mtao04.cox.net ([68.6.19.241] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3113642 for flyrotary@lancaironline.net; Mon, 22 Mar 2004 18:42:46 -0500 Received: from smtp.west.cox.net ([172.18.180.57]) by fed1mtao04.cox.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with SMTP id <20040322234247.CMLW23486.fed1mtao04.cox.net@smtp.west.cox.net> for ; Mon, 22 Mar 2004 18:42:47 -0500 From: Dale Rogers X-Original-To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: C mounting on a B plate?? Renesis & RD-1C X-Original-Date: Mon, 22 Mar 2004 18:42:45 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Original-Message-Id: <20040322234247.CMLW23486.fed1mtao04.cox.net@smtp.west.cox.net> Hi All, Ed Anderson wrote: > I am somewhat surprised that you can get the same airspeed with only about a 5% difference in rpm - sounds like my initial assumption that a higher rpm (and fuel burn)would be required to get the same airspeed is not valid. > Since horsepower is a function of torque and rpm, if the Renesis puts out 5% more torque at a given rpm, it should also yield 5% more ponies ... if one has the prop to use them. Just a thought, Dale R. COZY MkIV-R #1254