X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6391361 for flyrotary@lancaironline.net; Thu, 25 Jul 2013 20:06:00 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=clouduster@austin.rr.com Return-Path: Authentication-Results: cdptpa-omtalb.mail.rr.com smtp.user=clouduster@austin.rr.com; auth=pass (PLAIN) X-Authority-Analysis: v=2.0 cv=TPPHuiZa c=1 sm=0 a=UXuRhKSAlNv/K/OXYJZj/g==:17 a=8hT9zeiwJ1wA:10 a=TFTLHU8M6U0A:10 a=05ChyHeVI94A:10 a=kj9zAlcOel0A:10 a=ayC55rCoAAAA:8 a=KGjhK52YXX0A:10 a=DR_aJNaxn_YA:10 a=HHGDD-5mAAAA:8 a=7g1VtSJxAAAA:8 a=Ia-xEzejAAAA:8 a=5OjXzdenbMlY-NNkSSwA:9 a=CjuIK1q_8ugA:10 a=Qa1je4BO31QA:10 a=i1zE5R4R5dEA:10 a=UXuRhKSAlNv/K/OXYJZj/g==:117 X-Cloudmark-Score: 0 X-Authenticated-User: clouduster@austin.rr.com X-Originating-IP: 67.184.5.116 Received: from [67.184.5.116] ([67.184.5.116:51556] helo=[192.168.1.109]) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTPA id 54/0A-14128-44DB1F15; Fri, 26 Jul 2013 00:05:24 +0000 Subject: Re: [FlyRotary] coolers mounted directly to rotary References: From: Clouduster Content-Type: text/plain; charset=us-ascii X-Mailer: iPad Mail (10B329) In-Reply-To: Message-Id: <8272BF64-6352-4160-8F7F-EBEFF3CA777A@austin.rr.com> Date: Thu, 25 Jul 2013 19:05:24 -0500 To: Rotary motors in aircraft Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) I mounted my oil and water radiators under the engine on the motor mount. I= used simple Aidle sp? clamps. No problem for 500 hr. Too much vibration o= n engine and redrive during start up! My opinion - ymmv. Dennis H. Sent from my iPad On Jul 25, 2013, at 18:36, Stephen Izett wrote: > Hi guys >=20 > Would really appreciate your thoughts here. > We made a decision way back to mount the oil cooler hard to the redrive be= ing fed from the left cheek. > This was made on the basis of a belief that the rotary runs very smooth. > We recently built up the diffuser for it, trying to allow for some movemen= t but I have significant concerns. >=20 > If we are going to shift it, now is the time! >=20 > I remember Mark S commenting on having mounted to the redrive (with some f= orm of rubber isolation) then redesigned of the engine. >=20 > Key concerns are: > 1. Vibration breaking one of the many joints in the cooler and subsequent h= igh pressure oil flow and possible fire. > 2. Seal between diffuser and core. >=20 > Thanks >=20 > Steve Izett > Glasair SIIRG with Renesis > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List= .html