X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-bk0-f44.google.com ([209.85.214.44] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTPS id 6292528 for flyrotary@lancaironline.net; Mon, 27 May 2013 19:45:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.44; envelope-from=msteitle@gmail.com Received: by mail-bk0-f44.google.com with SMTP id jc3so3897680bkc.17 for ; Mon, 27 May 2013 16:45:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=ChRJZOkdv+CPutd2TcX7qvGtKLSOYBpdIUWqhwhryuw=; b=w1mmDbZ42jItPei2nR1cd2f2QkEduijl6DKy4vunOTTDFnjeF9rH9kizzIRVoUZg+b VjjXRmjqimbaOMP8fS6dgaKQR2A05v9gYIxFFgaMG1KqHUMyVnqvGj22LJk9FFh7Nzfa 7h+Q8arS7jroDKtp4ONF2ElI62SJJmk0KCii/rZsWsC1RH5/HjjBcEWyUHiSsua1tKPH 0mZLxZZCI8ExslHHnox5Qg7oPmymRWxuXPLJ4RJR6sqWJ4oGgYSJbaMfOx65Q1lmqauJ I/AhK49a/K4DwjsOHbXHz9DjG90PxaeKlMmneoyKO3kA85XN63ODNduVuHyValuEfstk 7Zyg== MIME-Version: 1.0 X-Received: by 10.204.202.145 with SMTP id fe17mr12669812bkb.71.1369698319614; Mon, 27 May 2013 16:45:19 -0700 (PDT) Received: by 10.204.33.80 with HTTP; Mon, 27 May 2013 16:45:19 -0700 (PDT) In-Reply-To: References: Date: Mon, 27 May 2013 18:45:19 -0500 Message-ID: Subject: Re: [FlyRotary] oil cooler mount question From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=485b3970cec4ca874d04ddbbbd4f --485b3970cec4ca874d04ddbbbd4f Content-Type: text/plain; charset=ISO-8859-1 Charlie, Everything moves, so my recommendation is to design to allow for movement. Initially, I had my oil cooler attached to the re-drive adapter plate with bolts and rubber grommets. The grommets took a beating as did the bolts and flanges. A year ago I re-designed the whole oil cooler assembly and isolated it from the engine by securing it to the motor mount. This approach has worked much better and I plan on keeping it as is. Mark S. On Sun, May 26, 2013 at 12:13 PM, Charlie England wrote: > I've started design/fabrication/redesign of my oil cooler mount/diffuser. > Just as I had a 'final' answer on the mount & was contemplating the > diffuser, it occurred to me that I didn't have any shock mount provisions > for the heat exchanger. For those who have been flying for a while, have > any of you hard mounted the cooler to its support structure? As the photo > shows, the primary mount is direct to the reduction drive plate. I would > simply add the shock mounts, but if I use this particular cooler (a CX > Racing 30 row unit like the one on Tracy's 20B), I won't have any room. I > do have the option of buying a 25 row or using the 19 row I already have on > hand, but I'd rather have a bit too much capacity & throttle the exit air > than start with too little & have to rebuild everything. > > Thanks, > > Charlie > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > --485b3970cec4ca874d04ddbbbd4f Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Charlie, =A0

Everything moves, so= my recommendation is to design to allow for movement. =A0Initially, I had = my oil cooler attached to the re-drive adapter plate with bolts and rubber = grommets. =A0The grommets took a beating as did the bolts and flanges. =A0A= year ago I re-designed the whole oil cooler assembly and isolated it from = the engine by securing it to the motor mount. =A0This approach has worked m= uch better and I plan on keeping it as is. =A0

Mark S.


On Sun, May 26, 2013 at 12:13 PM, Cha= rlie England <ceengland7@gmail.com> wrote:
I've started design/fabrication/redesign= of my oil cooler mount/diffuser. Just as I had a 'final' answer on= the mount & was contemplating the diffuser, it occurred to me that I d= idn't have any shock mount provisions for the heat exchanger. For those= who have been flying for a while, have any of you hard mounted the cooler = to its support structure? As the photo shows, the primary mount is direct t= o the reduction drive plate. I would simply add the shock mounts, but if I = use this particular cooler (a CX Racing 30 row unit like the one on Tracy&#= 39;s 20B), I won't have any room. I do have the option of buying a 25 r= ow or using the 19 row I already have on hand, but I'd rather have a bi= t too much capacity & throttle the exit air than start with too little = & have to rebuild everything.

Thanks,

Charlie



--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html


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