Return-Path: Received: from email2k3.itlnet.net ([64.19.112.12] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 726419 for flyrotary@lancaironline.net; Sat, 12 Feb 2005 14:01:19 -0500 Received-SPF: none receiver=logan.com; client-ip=64.19.112.12; envelope-from=jwvoto@itlnet.net Received: from rav.itlnet.net (unverified [192.168.10.149]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Sat, 12 Feb 2005 13:00:33 -0600 Received: from JWVOTO (unverified [64.19.116.67]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Sat, 12 Feb 2005 13:00:31 -0600 Message-ID: <02fa01c51135$8f692a20$73741340@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 1 step forward, 2 steps back... Date: Sat, 12 Feb 2005 12:53:36 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_02E1_01C51101.DDFFDE60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_02E1_01C51101.DDFFDE60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: "Chuck" To: "Rotary motors in aircraft" Sent: Saturday, February 12, 2005 10:03 AM Subject: [FlyRotary] Re: 1 step forward, 2 steps back...=20 The next chore was the removal of the pilot bearing. We=20 had tried removal from several approaches without success.. The Harbor=20 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=20 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_02E1_01C51101.DDFFDE60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----=20
From: "Chuck" <crayd@cableone.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, February 12, 2005 10:03 AM
Subject: [FlyRotary] Re: 1 step forward, 2 steps back... =

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