Return-Path: Received: from [65.54.241.216] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 365236 for flyrotary@lancaironline.net; Sat, 14 Aug 2004 23:52:58 -0400 Received-SPF: none receiver=logan.com; client-ip=65.54.241.216; envelope-from=lors01@msn.com Received: from hotmail.com ([65.54.168.109]) by hotmail.com with Microsoft SMTPSVC(5.0.2195.6713); Sat, 14 Aug 2004 20:52:28 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 14 Aug 2004 20:52:28 -0700 Received: from 65.54.97.188 by bay3-dav5.bay3.hotmail.com with DAV; Sun, 15 Aug 2004 03:52:27 +0000 X-Originating-IP: [65.54.97.188] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Ed's nightmare Date: Sat, 14 Aug 2004 23:51:55 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0050_01C48259.AE063880" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0006.2205 Seal-Send-Time: Sat, 14 Aug 2004 23:51:55 -0400 Message-ID: X-OriginalArrivalTime: 15 Aug 2004 03:52:28.0227 (UTC) FILETIME=[4881C930:01C4827B] Return-Path: lors01@msn.com This is a multi-part message in MIME format. ------=_NextPart_000_0050_01C48259.AE063880 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageThere's a 50 - 50 (or better ) chance that it will fit as is, = but if lapping is necessary, it is done by brushing valve lapping = compound on the splined parts and engaging & disengaging the splined = parts using rubber mallet or other non destructive method to work the = parts into shape. This is what I do here to mate a Ford damper spline = that happens to be on the small end of the spec to an input shaft. Tracy ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Saturday, August 14, 2004 11:36 PM Subject: [FlyRotary] Re: Ed's nightmare Arrggg! Not good news! Have not yet tried to fit the new shaft into = the splines - its going to be even more of task to removing my mounting = plate as it is integrated with my front motor mount. Where did I put = that sand paper?? You're right no - new dampener plate. Lap the splines? Was it the = outside diameter that was too large or the teeth? If the Out side = diameter then lapping it might be the route to go for me - if you mean = each individual spline then - I think I want my B drive back (not - = really). =20 Well, I was going to wait until next weekend to get started, but now I = have to run out to the hanger during the week to see if the drive shaft = will fit. Thanks for the heads-up, Rusty Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Saturday, August 14, 2004 11:09 PM Subject: [FlyRotary] Ed's nightmare Greetings, I had a pretty productive day at the Rev-3 work session. The main = thing remaining is the spinner cutouts, which will be a new experience = for me, since I've somehow managed to always have spinners that were = pre-cut. Man that's one serious looking prop :-) Ed, I either lost a few hours to you, or gained a few days (or = more). My plan was to replace only the drive, and not remove the plate = or anything else. Unfortunately, my new input shaft wouldn't fit in the = old dampener splines. It was just too tight to try to make it go. Sure = enough, the old input shaft was a fairly loose fit in the new dampener = plate, so there is a difference. I ended up having to drain the cooling = system, remove the rads, remove the plate, and replace the dampener = plate. This was only a couple hour delay for me, but if your new input = shaft doesn't fit your old dampener plate, you're screwed, since you = don't have a new dampener plate. =20 I called Tracy, and he said Ford wasn't all that precise over the = years, and that it sounded like my old plate was on the tight side, and = the new plate was more normal. He chose to make the C drive input = shafts a snug fit, so it just won't work with my old dampener plate. I = hope you have better luck. He said it was possible to lap the splines = to fit, but wouldn't be worth the trouble for me, since I already had a = new one to install. The old one, being tight, is a better fit for my = old B drive anyway, so they might as well stay together. The B drive is = going to be for sale, BTW. =20 Cheers, Rusty (should be running, if not flying by Monday) ------=_NextPart_000_0050_01C48259.AE063880 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
There's a 50 - 50  (or better ) chance that it will fit as is, = but if=20 lapping is necessary, it is done by brushing valve lapping compound on = the=20 splined parts and engaging & disengaging the splined parts using = rubber=20 mallet or other non destructive method to work the parts into = shape.  This=20 is what I do here to mate a Ford damper spline that happens to be = on the=20 small end of the spec to an input shaft.
 
Tracy
----- Original Message -----
From: Ed Anderson
To: Rotary motors in = aircraft
Sent: Saturday, August 14, 2004 = 11:36=20 PM
Subject: [FlyRotary] Re: Ed's=20 nightmare

Arrggg!  Not good news!  = Have not yet=20 tried to fit the new shaft into the splines - its going to be even = more of=20 task to removing my mounting plate as it is integrated with my front = motor=20 mount.  Where did I put that sand paper??
 
You're right no -  new dampener = plate. =20 Lap the splines?  Was it the outside diameter that was too large = or the=20 teeth?  If the Out side diameter then lapping it might be the = route to go=20 for me - if you mean each individual spline then -  I think = I want=20 my B drive back (not - really). 
 
Well, I was going to wait until next = weekend to=20 get started, but now I have to run out to the hanger during the week = to see if=20 the drive shaft will fit.  Thanks for the heads-up, = Rusty
 
Ed
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
----- Original Message -----
From:=20 Russell Duffy
To: Rotary motors in = aircraft=20
Sent: Saturday, August 14, = 2004 11:09=20 PM
Subject: [FlyRotary] Ed's=20 nightmare

Greetings,
 
I had a = pretty=20 productive day at the Rev-3 work session.  The main thing=20 remaining is the spinner cutouts, which will be a new experience for = me,=20 since I've somehow managed to always have spinners that were = pre-cut. =20 Man that's one serious looking prop :-)
 
Ed, I = either lost a few=20 hours to you, or gained a few days (or more).  My plan = was to=20 replace only the drive, and not remove the plate or anything = else. =20 Unfortunately, my new input shaft wouldn't fit in the old=20 dampener splines.  It was just too tight to try to = make=20 it go.  Sure enough, the old input shaft was a fairly = loose fit in=20 the new dampener plate, so there is a difference.  I ended up=20 having to drain the cooling system, remove the rads, = remove the=20 plate, and replace the dampener plate.  This was only a couple = hour=20 delay for me, but if your new input shaft doesn't fit your old=20 dampener plate, you're screwed, since you don't have a new = dampener plate. 
 
I called Tracy,=20 and he said Ford wasn't all that precise over the years, = and=20 that it sounded like my old plate was on the tight side, and = the new=20 plate was more normal.  He chose to make the C drive = input=20 shafts a snug fit, so it just won't work with my old dampener=20 plate.  I hope you have better=20 luck.  He said it was possible to lap the = splines=20 to fit, but wouldn't be worth the trouble for me, since I = already had a=20 new one to install.  The old one, being tight, is a better = fit for=20 my old B drive anyway, so they might as well stay together.  = The B=20 drive is going to be for sale, BTW.  
 
Cheers,
Rusty = (should be=20 running, if not flying by=20 Monday) 
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