Return-Path: Received: from out001.verizon.net ([206.46.170.140] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2581908 for flyrotary@lancaironline.net; Tue, 16 Sep 2003 17:21:06 -0400 Received: from gman.verizon.net ([4.47.212.106]) by out001.verizon.net (InterMail vM.5.01.05.33 201-253-122-126-133-20030313) with ESMTP id <20030916212105.VTAM5382.out001.verizon.net@gman.verizon.net> for ; Tue, 16 Sep 2003 16:21:05 -0500 Message-Id: <5.2.1.1.0.20030916161800.04eb59a0@incoming.verizon.net> X-Sender: res0gip8@incoming.verizon.net X-Mailer: QUALCOMM Windows Eudora Version 5.2.1 Date: Tue, 16 Sep 2003 16:22:09 -0500 To: "Rotary motors in aircraft" From: Canyon Subject: Internal gearing ... In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Authentication-Info: Submitted using SMTP AUTH at out001.verizon.net from [4.47.212.106] at Tue, 16 Sep 2003 16:21:04 -0500 At the risk of exposing my ignorance I have a question. There must be a sound reason the internal gearing cannot be adapted to something more suitable to driving the prop. Is it economics or laws of physics or convenience or what which prevents this happening? And yes, I once saw the inside of the rotor housing once about 6 years ago now. :-) Steve