Return-Path: Received: from [65.54.168.121] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 726534 for flyrotary@lancaironline.net; Sat, 12 Feb 2005 15:49:48 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.121; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 12 Feb 2005 12:49:01 -0800 Message-ID: Received: from 4.174.4.81 by BAY3-DAV17.phx.gbl with DAV; Sat, 12 Feb 2005 20:48:06 +0000 X-Originating-IP: [4.174.4.81] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: RD-1x input shaft pilot Date: Sat, 12 Feb 2005 15:33:12 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_015B_01C51118.29E75180" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0009.2900 Seal-Send-Time: Sat, 12 Feb 2005 15:33:12 -0500 X-OriginalArrivalTime: 12 Feb 2005 20:49:01.0157 (UTC) FILETIME=[47E51150:01C51144] This is a multi-part message in MIME format. ------=_NextPart_000_015B_01C51118.29E75180 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable There is no relative rotation between pilot on input shaft and pilot = hole in crankshaft BUT The input shaft pilot should be a close fit = because it keeps the rear of the input shaft properly aligned. Don't = wallow it out indiscriminately. A small groove in one side (from the = dremmel operation) will not hurt. Tracy The next chore was the removal of the pilot bearing. We=20 had tried removal from several approaches without success.. The Harbor = Freight pilot bearing puller is a smidge too large to go into the=20 bearing hole... finally I re-read the RD1-B install manual and it=20 mentioned that a dremel has been used in the past for stubborn ones. I = ended up extracting the individual needles with a scalpel and=20 needlenose pliers, collapsed the inner race and yanked it out, then=20 ended up using a dremel to gouge the outer race, then collapsed IT as=20 well.. Infortunately this gouged the inside of the bearing channel in = the process, so I drum sanded rough spots until it was finger smooth.=20 The PSRU pilot shaft was able to fit in without difficulty. My understanding of the bearing removal is that it doesn't have to be = smooth, just give clearance for the pilot shaft since the shaft does not = revolve in the bearing hole. Correct? I had a slight drag when the = re-drive was rotated so dremelled the hole with a stone to give more = clearance. What I don't understand is, why would there appear to be = runout at the pilot shaft of the RD-1? Wendell ------=_NextPart_000_015B_01C51118.29E75180 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

There is no relative rotation between pilot on input shaft and = pilot hole=20 in crankshaft BUT The input shaft pilot should be a close fit because it = keeps=20 the rear of the input shaft properly aligned. Don't wallow it out=20 indiscriminately. A small groove in one side (from the dremmel=20 operation) will not hurt.

Tracy

The next chore was the removal of the pilot bearing. We =
had=20 tried removal from several approaches without success.. The Harbor =
Freight=20 pilot bearing puller is a smidge too large to go into the
bearing = hole...=20 finally I re-read the RD1-B install manual and it
mentioned that a = dremel=20 has been used in the past for stubborn ones. I ended up = extracting the=20 individual needles with a scalpel and
needlenose pliers, collapsed = the=20 inner race and yanked it out, then
ended up using a dremel to = gouge the=20 outer race, then collapsed IT as
well.. Infortunately this gouged = the=20 inside of the bearing channel in
the process, so I drum = sanded rough=20 spots until it was finger smooth.
The PSRU pilot shaft was able to = fit in=20 without difficulty.
My understanding of = the=20 bearing removal is that it doesn't have to be smooth, just give = clearance for=20 the pilot shaft since the shaft does not revolve in the bearing hole. = Correct?=20 I had a slight drag when the re-drive was rotated so dremelled the = hole with a=20 stone to give more clearance. What I don't understand is, why would = there=20 appear to be runout at the pilot shaft of the RD-1?

Wendell

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