X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] Return-Path: Received: from rwcrmhc14.comcast.net ([216.148.227.154] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 1990563 for flyrotary@lancaironline.net; Tue, 17 Apr 2007 20:48:28 -0400 Received-SPF: none receiver=logan.com; client-ip=216.148.227.154; envelope-from=rlwhite@comcast.net Received: from rlwhite-desktop (c-68-35-160-229.hsd1.nm.comcast.net[68.35.160.229]) by comcast.net (rwcrmhc14) with SMTP id <20070418004742m1400iqnj4e>; Wed, 18 Apr 2007 00:47:42 +0000 Date: Tue, 17 Apr 2007 18:47:48 -0600 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: single rotor testing Message-Id: <20070417184748.b2c659ba.rlwhite@comcast.net> In-Reply-To: References: X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.10.6; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 17 Apr 2007 18:07:08 -0500 "Russell Duffy" wrote: > Rusty if you decide to build a 601 let me know as I have just started > building one along with two other guys and we did a PDX file on the plans > and had all the pieces laser cut and pre punched just like the factory kits > and could get you a file for it, > > Thanks Ken, but if I go for a 601XL, I'll probably just buy the kit. > Until/unless the single rotor starts behaving better, I won't be building > one. > > On that subject, I watched the Warp Drive prop on a Subaru powered gyro > today, and saw some of the same fore and aft oscillations. It wasn't as > bad, and the guy who set them up told me a way to get the blades a bit > closer to the same pitch, which he thinks has something to do with this. > When I get the single running again, I'll make sure the blades are as close > as possible, then try it again. > > Rusty > > Hey Rusty, The first time I ran my Warp Drive prop I set one of the blades to negative pitch. Now that ran rough. It might have been comparable to your single rotor. :) Bob W. -- N93BD - Rotary Powered BD-4 - http://www.bob-white.com 3.8 Hours Total Time and holding Cables for your rotary installation - http://www.roblinphoto.com/shop/