X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [206.46.252.44] (HELO vms044pub.verizon.net) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 930669 for flyrotary@lancaironline.net; Mon, 02 May 2005 22:40:23 -0400 Received: from verizon.net ([71.98.185.179]) by vms044.mailsrvcs.net (Sun Java System Messaging Server 6.2 HotFix 0.04 (built Dec 24 2004)) with ESMTPA id <0IFW00L4E7FB3WL5@vms044.mailsrvcs.net> for flyrotary@lancaironline.net; Mon, 02 May 2005 21:40:24 -0500 (CDT) Date: Mon, 02 May 2005 22:40:21 -0400 From: Finn Lassen Subject: Re: [FlyRotary] Re: Renesis Build Options In-reply-to: To: Rotary motors in aircraft Message-id: <4276E495.8050703@verizon.net> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit X-Accept-Language: en-us, en References: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax; PROMO) Without prop the rotary is smooth beyond belief. Add a prop and you'll get the shakes. Spend the money on prop balancing (prop + PSRU +engine). Finn Ed Anderson wrote: > If you were talking about a reciprocating engine, I would certainly > agree. However, I have found the rotary to be well - balanced coming > from the factory. If you match the right counterweights with the > right rotors, you should have a smooth running engine. However, if > you don't have anywhere else to spend $350 then I don't see any reason > not to have it dynamically balanced. Certainly won't hurt although I > don't think it will help much in the case of the rotary unless your > are running over 8K. But, this is just an opinion not a fact. > > Ed A