X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx2.netapp.com ([216.240.18.37] verified) by logan.com (CommuniGate Pro SMTP 5.3.2) with ESMTPS id 4117859 for flyrotary@lancaironline.net; Tue, 09 Feb 2010 13:43:08 -0500 Received-SPF: softfail receiver=logan.com; client-ip=216.240.18.37; envelope-from=echristley@nc.rr.com X-IronPort-AV: E=Sophos;i="4.49,437,1262592000"; d="scan'208";a="313984435" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 09 Feb 2010 10:42:15 -0800 Received: from [10.62.16.80] ([10.62.16.80]) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id o19IgFpj010323 for ; Tue, 9 Feb 2010 10:42:15 -0800 (PST) Message-ID: <4B71AC86.7070701@nc.rr.com> Date: Tue, 09 Feb 2010 13:42:14 -0500 From: Ernest Christley Reply-To: echristley@nc.rr.com User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: rpm vs Power was : Throttle limits was Re: N.A. Renesis to turbo References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit MONTY ROBERTS wrote: > Hp = C*V^3 > > Is that simple enough? ;-) > At work and bored, so I ran some numbers. Start with 170Hp that gives you 168mph. To get to 172mph, you'd need 182.4Hp.