X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx06.syd.iprimus.net.au ([210.50.76.235] verified) by logan.com (CommuniGate Pro SMTP 5.1.2) with ESMTP id 1549842 for flyrotary@lancaironline.net; Thu, 09 Nov 2006 20:30:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=210.50.76.235; envelope-from=daval@iprimus.com.au Received: from 47.039.dsl.pth.iprimus.net.au (HELO [192.168.1.8]) ([58.178.219.47]) by mx06.syd.iprimus.net.au with ESMTP; 10 Nov 2006 12:30:33 +1100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAHxjU0U6stsv/2dsb2JhbAAN X-IronPort-AV: i="4.09,407,1157292000"; d="scan'208"; a="11919964:sNHT34914929" Mime-Version: 1.0 (Apple Message framework v624) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-4-131435151 Message-Id: From: david mccandless Subject: Single Rotor Date: Fri, 10 Nov 2006 09:30:28 +0800 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.624) --Apple-Mail-4-131435151 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed Hi Richard, I have been following your single rotor for some years now; glad to see=20= you are getting the hp up. However the reported sharp torque pulse has=20= me worried; what has your experience been with the torque pulse with=20 the single? Best Regards, Dave McCandless Europa XS On 10, Nov , at 11:21 AM, Richard Sohn wrote: > Have been running the one rotor on p-port for a while. Aiming for=20 > 115hp per rotor on 12A housings at 7500RPM(be happy with 100hp in the=20= > end). These estimates should give 150hp for 13B housings, more likely=20= > 130, making 260 for a 13B. I know this is worse than other p-port=20 > proponents predict, but this is what I am working toward. If more=20 > power (over stock) is the issue, p-port is the solution, also=20 > simplicity. I have not found any real negatives, for air craft use, in=20= > it. > =A0 > Richard Sohn > N-2071U > =A0= --Apple-Mail-4-131435151 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 Hi Richard, I have been following your single rotor for some years now; glad to see you are getting the hp up. However the reported sharp torque pulse has me worried; what has your experience been with the torque pulse with the single? Best Regards, Dave McCandless Europa XS On 10, Nov , at 11:21 AM, Richard Sohn wrote: ArialHave been running the one rotor on p-port for a while. Aiming for 115hp per rotor on 12A housings at 7500RPM(be happy with 100hp in the end). These estimates should give 150hp for 13B housings, more likely 130, making 260 for a 13B. I know this is worse than other p-port proponents predict, but this is what I am working toward. If more power (over stock) is the issue, p-port is the solution, also simplicity. I have not found any real negatives, for air craft use, in it. =A0 ArialRichard = Sohn ArialN-2071U =A0= --Apple-Mail-4-131435151--