X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 930950 for flyrotary@lancaironline.net; Wed, 18 Jan 2006 00:27:18 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.131.117; envelope-from=keltro@att.net Received: from 204.127.135.57 ([204.127.135.57]) by worldnet.att.net (mtiwmhc13) with SMTP id <20060118052041113005c6u9e>; Wed, 18 Jan 2006 05:20:46 +0000 Received: from [64.136.27.229] by 204.127.135.57; Wed, 18 Jan 2006 05:20:40 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Buly's input shaft Date: Wed, 18 Jan 2006 05:20:40 +0000 Message-Id: <011820060520.19654.43CDD0280006195800004CC62160376316019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Nov 10 2005) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_19654_1137561640_0" --NextPart_Webmail_9m3u9jl4l_19654_1137561640_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Tracy, Will double check my installation to avoid possible similar problem !! -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from Bulent Aliev : -------------- > Tracy, > I picked up the resurfaced assembly today, and the machinist told me > that one end to the other of the gear box contact surface was .027 off. > I removed the original automatic transmission gear box from the > bellhousing and replaced it with my new mounting plate. So everything > was centered as the original transmission gear box. All the mounting > bolt holes were match drilled. With the extra long shaft, .027 will > give quite difference at both ends of the shaft. > I don't see anything else to check? > Buly > > > > Input shaft > > > > Buly, got your input shaft today and checked it out. The thrust > > bearing rollers & races look a little stressed but the roller cage > > has been completely trashed. I do not think the .005" out of > > flatness on your bellhousing would explain this and the odd wear > > pattern on the plate. The marks and discoloration (heat) on the > > bearing and shaft look as if there is misalignment between the E- > > shaft and the gear drive. When you built the plate & bellhousing > > adapter for the drive, how did you verify concentricity? This is > > much harder to do than verifying the parallelism of the bellhousing > > and plate but is absolutely vital. There is no question that the > > drive would have soon failed if you had continued to run it. Glad > > this showed up before flight. > > > > Tracy (Happy to hear that Dave L. is safe! Good flying. ) > > > > -- > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ --NextPart_Webmail_9m3u9jl4l_19654_1137561640_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Tracy,
   Will double check my installation to avoid possible similar problem !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2




-------------- Original message from Bulent Aliev <atlasyts@bellsouth.net>: --------------


> Tracy,
> I picked up the resurfaced assembly today, and the machinist told me
> that one end to the other of the gear box contact surface was .027 off.
> I removed the original automatic transmission gear box from the
> bellhousing and replaced it with my new mounting plate. So everything
> was centered as the original transmission gear box. All the mounting
> bolt holes were match drilled. With the extra long shaft, .027 will
> give quite difference at both ends of the shaft.
> I don't see anything else to check?
> Buly
>
>
> > Input shaft
> >
> > Buly, got your input shaft today and checked it out. The thrust
> > bearing rollers & races look a little stressed but the roller cage
> > has been completely trashed. I do not think the .005" out of
> > flatness on your bellhousing would explain this and the odd wear
> > pattern on the plate. The marks and discoloration (heat) on the
> > bearing and shaft look as if there is misalignment between the E-
> > shaft and the gear drive. When you built the plate & bellhousing
> > adapter for the drive, how did you verify concentricity? This is
> > much harder to do than verifying the parallelism of the bellhousing
> > and plate but is absolutely vital. There is no question that the
> > drive would have soon failed if you had continued to run it. Glad
> > this showed up before flight.
> >
> > Tracy (Happy to hear that Dave L. is safe! Good flying. )
> >
> > --
>
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
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