Return-Path: Received: from ms-smtp-01.southeast.rr.com ([24.93.67.82] verified) by logan.com (CommuniGate Pro SMTP 4.1.4) with ESMTP id 2602113 for flyrotary@lancaironline.net; Wed, 24 Sep 2003 15:51:08 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-01.southeast.rr.com (8.12.5/8.12.2) with SMTP id h8OJhM0R023268 for ; Wed, 24 Sep 2003 15:43:24 -0400 (EDT) Message-ID: <001d01c382d4$c20cc400$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: DIE the short Answer Date: Wed, 24 Sep 2003 15:47:59 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 ----- Original Message ----- From: "John Slade" To: "Rotary motors in aircraft" Sent: Wednesday, September 24, 2003 1:36 PM Subject: [FlyRotary] Re: DIE the short Answer > > Has the appeal of simplicity, low cost > Typical Jim. :) > > What we really need is two telescopic tubes which slide into each other with > O rings for a seal. The mechanism would be somewhat like a trombone for > similar reasons, but it would have to be accurately machined. > > John > > I agree, John. Especially after trying to make it work for four tubes. However, I am working on an alignment concept that would not require such accurate and expensive machining. Same sort of concept that Tracy Crook took when he designed his gear box, tight is expensive, loose is not {:>). Will have to wait to see if it works. Ed