X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx05.syd.iprimus.net.au ([210.50.30.235] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2080270 for flyrotary@lancaironline.net; Sat, 02 Jun 2007 09:28:39 -0400 Received-SPF: pass receiver=logan.com; client-ip=210.50.30.235; envelope-from=daval@iprimus.com.au X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAIoMYUY6snLv/2dsb2JhbAAN X-IronPort-AV: E=Sophos;i="4.16,375,1175436000"; d="scan'208";a="49150672" Received: from 239.051.dsl.pth.iprimus.net.au (HELO [192.168.1.8]) ([58.178.114.239]) by smtp05.syd.iprimus.net.au with ESMTP; 02 Jun 2007 23:27:57 +1000 Mime-Version: 1.0 (Apple Message framework v624) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-2-620212982 Message-Id: From: david mccandless Subject: Re: [FlyRotary] Lynn's Tuning Summation was: [FlyRotary] Re: PP Ve??? was Re: Intake CFM air flow Date: Sat, 2 Jun 2007 21:27:55 +0800 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.624) --Apple-Mail-2-620212982 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > So for my priorities, I concentrated on trying to achieve best power=20= > at take off rpm - around 6000 rpm.=A0 The longer length and smaller=20 > diameter tubes give the engine lots of oomph in that rpm regime.=A0=20 > Clearly if you wanted an all-out air racer you would more likely=20 > choose shorter bigger tubes.=A0 > =A0 > =A0 > Thanks again for the great summation. > =A0 > Ed > Hi Ed, what is the length and diameter of you tubes? TIA, Dave McC --Apple-Mail-2-620212982 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 So for my priorities, I concentrated on trying to achieve best power at take off rpm - around 6000 rpm.=A0 The longer length and smaller diameter tubes give the engine lots of oomph in that rpm regime.=A0 Clearly if you wanted an all-out air racer you would more likely choose shorter bigger tubes.=A0 =A0 =A0 Thanks again for the great summation. =A0 Ed Hi Ed, what is the length and diameter of you tubes? TIA, Dave McC --Apple-Mail-2-620212982--