X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2093972 for flyrotary@lancaironline.net; Sat, 09 Jun 2007 21:24:22 -0400 Received-SPF: none receiver=logan.com; client-ip=205.152.59.72; envelope-from=rusty@radrotary.com Received: from ibm68aec.bellsouth.net ([65.6.194.9]) by imf24aec.mail.bellsouth.net with ESMTP id <20070610012342.NET2319.imf24aec.mail.bellsouth.net@ibm68aec.bellsouth.net> for ; Sat, 9 Jun 2007 21:23:42 -0400 Received: from rd ([65.6.194.9]) by ibm68aec.bellsouth.net with ESMTP id <20070610012342.DJTQ5117.ibm68aec.bellsouth.net@rd> for ; Sat, 9 Jun 2007 21:23:42 -0400 From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Single rotor video Date: Sat, 9 Jun 2007 20:23:44 -0500 Message-ID: <000401c7aafd$fc837570$6e01a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C7AAD4.13AD6D70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6822 Importance: Normal Thread-Index: Aceq+UCO7MFtFfZQT12dKWcnzSPzJwAA9ShQ In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C7AAD4.13AD6D70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Sorry, I recall some of your Kolb testing. How much weight did you = finally test with? Hi Cary, =20 My best recollection is 3 lbs. I'm sure it did make some difference, as = did changing props, but none of it made enough difference to eliminate the problems. =20 =20 If I had a 2500 rpm centrifugal clutch, with my current drive and softer rubber damper, I think all would be well. Even still, lots of Rotax = types run at 2000-2500 rpm, and 2500 rpm is only about 1000 prop rpm, so I = could probably live with it if I had to.=20 =20 Rusty (gyro's a lot safer than a motorcycle) ------=_NextPart_000_0005_01C7AAD4.13AD6D70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Sorry, I recall some of your Kolb testing.  How = much weight=20 did you finally test with?

Hi=20 Cary,
 
My best = recollection is=20 3 lbs.  I'm sure it did make some difference, as did changing = props, but=20 none of it made enough difference to eliminate the problems. =20
 
If I had = a 2500 rpm=20 centrifugal clutch, with my current drive and softer rubber damper, I = think all=20 would be well.  Even still, lots of Rotax types run at 2000-2500 = rpm, and=20 2500 rpm is only about 1000 prop rpm, so I could probably live with it = if I had=20 to.
 
Rusty = (gyro's a lot=20 safer than a motorcycle)
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