Return-Path: Received: from out2.mx.nwbl.wi.voyager.net ([169.207.3.120] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2580784 for flyrotary@lancaironline.net; Mon, 15 Sep 2003 21:18:14 -0400 Received: from mail0.mx.voyager.net (mail0.mx.voyager.net [216.93.66.205]) by out2.mx.nwbl.wi.voyager.net (Postfix) with ESMTP id E80982837B for ; Mon, 15 Sep 2003 20:18:13 -0500 (CDT) Received: from u036fr3za011 (d43.as0.wtma.wi.voyager.net [64.77.136.171]) by mail0.mx.voyager.net (8.12.9/8.10.2) with SMTP id h8G1IBQV082960 for ; Mon, 15 Sep 2003 21:18:12 -0400 (EDT) Message-ID: <008101c37bf0$2772ac60$3c40fea9@u036fr3za011> From: "Barnhart" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 20B Date: Mon, 15 Sep 2003 20:16:26 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_007E_01C37BC6.3DE402C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 This is a multi-part message in MIME format. ------=_NextPart_000_007E_01C37BC6.3DE402C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Wade, My eshaft was extra ornery to get off. I hope this isn't going to be a = big problem for you. Tried several hydraulic and hammering devices. = What finally worked was renting Bruce Turpentine's eshaft puller. With = several hours of attempting to remove it, Bruce's did it in less than 5 = minutes. As usual the right tool for the job.=20 Way to go Mark. Barny MGDQ 20b ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Monday, September 15, 2003 7:10 PM Subject: [FlyRotary] Re: 20B Wade, The 20B has a 2-piece eccentric shaft that must be split to = disassemble the engine. You should remove the #1 rotor, rotor housing = and front shaft, then #3, and finally #2. There is a threaded hole in = the rotor journal of the front shaft that you can thread an all-thread = into. I first tried a slide hammer approach, but that didn't work. A = good friend loaned me his home made adapter. It consists of an = all-thread, and a 1" thick plate with a hole that slips over the = all-thread. The 1" plate should be about 4" wide and 8 - 10" long, but = that's not critical, you just need the length for added leverage. = Using the plate and a large nut, you position the 1" plate down onto the = all-thread until it touches the end of the main shaft (extends through = the smaller shaft out the front of the engine). It should touch the = e-shaft about an inch or so from the all-thread. Screw the nut down to = where it is touching the 1" plate, and then go about a half a turn = extra. One or two blows with a medium sized hammer/mallet on the outer = edge of the 1" plate will pop the small shaft off the main shaft. = Suggest you use a piece of aluminum or brass between the 1" plate and = the front of the e-shaft to prevent damaging the threads. I was amazed = at how well this simple puller worked. Note: the e-shaft should be supported from the flywheel end when you = smack the 1" puller plate with the hammer. Hope this helps, Mark Steitle 20B - First run of rebuilt engine 9/14/03 ! ! ! =20 At 02:35 AM 9/15/2003 -0700, you wrote: Guys, =20 I'm in the process of pulling the housings off of my 20B. I have Bruce Turrentine's video and I knew it would be a little = different from a 13B. I got the rear side housing, rear rotor housing and rotor off, but I = cant seem to find the way to get the next side housing off. I tried the = method as shown in the video. I've lifted the shaft but the housing but = it doesnt want to move toward the eshaft so I can rotoate it off. Anyone know the method for a 20B? Thanks, Wade Bush -------------------------------------------------------------------------= ----- This message scanned for viruses by Corecomm=20 ------=_NextPart_000_007E_01C37BC6.3DE402C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Wade,
 
My eshaft was extra ornery to get off. = I hope this=20 isn't going to be a big problem for you. Tried several hydraulic and = hammering=20 devices.  What finally worked was renting Bruce Turpentine's eshaft = puller.=20 With several hours of attempting to remove it, Bruce's did it in less = than 5=20 minutes. As usual the right tool for the job.
 
Way to go Mark.
 
Barny
MGDQ 20b
 
----- Original Message -----
From:=20 Mark=20 Steitle
Sent: Monday, September 15, = 2003 7:10=20 PM
Subject: [FlyRotary] Re: = 20B

Wade,
The 20B has a 2-piece eccentric shaft that = must be=20 split to disassemble the engine.  You should remove the #1 rotor, = rotor=20 housing and front shaft, then #3, and finally #2.  There is a = threaded=20 hole in the rotor journal of the front shaft that you can thread an = all-thread=20 into.  I first tried a slide hammer approach, but that didn't = work. =20 A good friend loaned me his home made adapter.  It consists of an = all-thread, and a 1" thick plate with a hole that slips over the=20 all-thread.  The 1" plate should be about 4" wide and 8 - 10" = long, but=20 that's not critical, you just need the length for added = leverage.  =20 Using the plate and a large nut, you position the 1" plate down onto = the=20 all-thread until it touches the end of the main shaft (extends through = the=20 smaller shaft out the front of the engine).  It should touch the = e-shaft=20 about an inch or so from the all-thread.  Screw the nut down to = where it=20 is touching the 1" plate, and then go about a half a turn extra.  = One or=20 two blows with a medium sized hammer/mallet on the outer edge of the = 1" plate=20 will pop the small shaft off the main shaft.  Suggest you use a = piece of=20 aluminum or brass between the 1" plate and the front of the e-shaft to = prevent=20 damaging the threads.  I was amazed at how well this simple = puller=20 worked.

Note: the e-shaft should be supported from the flywheel = end=20 when you smack the 1" puller plate with the hammer.

Hope this=20 helps,
Mark Steitle
20B - First run of rebuilt engine 9/14/03 ! = !=20 ! 


  At 02:35 AM 9/15/2003 -0700, you wrote:
Guys,
 
I'm in the process = of pulling=20 the housings off of my 20B.
I have Bruce = Turrentine's=20 video and I knew it would be a little different from a = 13B.
I got the rear side housing, rear rotor housing and rotor = off, but I=20 cant seem to find the  way to get the next side housing off. I = tried=20 the method as shown in the video. I've lifted the shaft but the = housing but=20 it doesnt want to move toward the eshaft so I can rotoate it=20 off.
Anyone know the method for a=20 20B?
Thanks,
Wade=20 Bush
 
This message scanned = for viruses by=20 Corecomm=20
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