X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx2.netapp.com ([216.240.18.37] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTPS id 4964407 for flyrotary@lancaironline.net; Mon, 02 May 2011 14:50:48 -0400 Received-SPF: none receiver=logan.com; client-ip=216.240.18.37; envelope-from=echristley@att.net X-IronPort-AV: E=Sophos;i="4.64,303,1301900400"; d="scan'208";a="545108586" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 02 May 2011 11:50:13 -0700 Received: from [10.30.28.179] (mclaugh-pc.hq.netapp.com [10.30.28.179] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id p42IoC3m003822 for ; Mon, 2 May 2011 11:50:12 -0700 (PDT) Message-ID: <4DBEFCE2.9070200@att.net> Date: Mon, 02 May 2011 14:50:10 -0400 From: Ernest Christley Reply-To: echristley@att.net User-Agent: Thunderbird 2.0.0.24 (X11/20100623) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: hung. (the Renesis, that is ...) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Charlie England wrote: > Correct. If I use Tracy's tuning, I can do straight runners. I can't > see needing longer than 16", & that can be done with U shaped tubes with > the plenum sitting next to the block, in front of the top diagonal mount > tube. > > Attached is a shot from the right side. > I like how you have all the bolts loaded in shear. The only thing is that I like to see tubes in compression triangulated. They may be there, but obstructed by the picture angle. Tubes from the bottom attach points to the top of the stock mount central uptubes would make the mount much stiffer.