X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [65.54.250.75] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 5.0.7) with ESMTP id 966520 for flyrotary@lancaironline.net; Fri, 03 Feb 2006 16:10:49 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.250.75; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 3 Feb 2006 13:10:04 -0800 Message-ID: Received: from 4.171.150.157 by BAY115-DAV3.phx.gbl with DAV; Fri, 03 Feb 2006 21:10:04 +0000 X-Originating-IP: [4.171.150.157] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Assembly sealant Date: Fri, 3 Feb 2006 16:09:47 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00AB_01C628DC.40F7B6D0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Fri, 3 Feb 2006 16:09:47 -0500 X-OriginalArrivalTime: 03 Feb 2006 21:10:04.0922 (UTC) FILETIME=[34374DA0:01C62906] This is a multi-part message in MIME format. ------=_NextPart_000_00AB_01C628DC.40F7B6D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Not a bad idea Bill, but one is as good (or better than) three. Don't = try to separate the drive by evenly tightening all three screws because = this significantly increases the force required. As soon as you crack = it loose on one side it pops off immediately.=20 Once again, a light coat of oil on the plate prior to seal up will ease = the job greatly and does not cause leaks. Tracy ----- Original Message -----=20 From: BillDube@killacycle.com=20 To: Rotary motors in aircraft=20 Sent: Friday, February 03, 2006 12:24 AM Subject: [FlyRotary] Re: Assembly sealant I put in threads for three jacking screws (3/8"-16). I have yet to run = the=20 engine or attempt to disassemble, however. Here is a picture. The circle is the OD of the PSRU housing. = The=20 three tapped holes are toward the outer edge. Appears to be plenty of=20 sealing area inward of these holes. I chamfered the holes so there = were no=20 burrs or protrusions to hold the PSRU housing away from the plate = surface. We shall see how it works. I figure I can put in set screws = with=20 pipe dope if any of the holes leak oil. Bill Dube' At 12:20 PM 2/2/2006, you wrote: >In a message dated 2/1/2006 10:25:12 PM Pacific Standard Time,=20 >bobperk@bellsouth.net writes: >Has anyone used silk thread between the mounting plate and the gear = housing >without using sealant? And would this cause a problem? > >Bob Perkinson >Hendersonville, TN. >RV9 N658RP Reserved >If nothing changes >Nothing changes >Bob, >This is a tecnique used on Lycs' with poor case castings, WITH = SEALANT. I=20 >would suggest that if you have GOOD castings/plates the thread will = do=20 >more harm than good! Modern motorcycles with good castings use = nothing but=20 >sealer ALWAYS. Yes Buly it can be a bi*#h to get off. The bike cases = have=20 >frequently included a couple of jacking screws in an area with plenty = of=20 >seal area. >Bill Jepson -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_00AB_01C628DC.40F7B6D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Not a bad idea Bill, but one is as good (or better than) = three. Don't=20 try to separate the drive by evenly tightening all three screws because = this=20 significantly increases the force required. As soon as you crack = it loose=20 on one side it pops off immediately.

Once again, a light coat of oil on the plate prior to seal up = will=20 ease the job greatly and does not cause leaks.

Tracy

----- Original Message -----

From: BillDube@killacycle.com =

To: Rotary motors in = aircraft

Sent: Friday, February 03, 2006 = 12:24=20 AM

Subject: [FlyRotary] Re: = Assembly=20 sealant

I put in threads for three jacking screws (3/8"-16). I = have yet=20 to run the
engine or attempt to disassemble,=20 however.

         Here = is a=20 picture. The circle is the OD of the PSRU housing. The
three = tapped holes=20 are toward the outer edge. Appears to be plenty of
sealing area = inward of=20 these holes. I chamfered the holes so there were no
burrs or = protrusions=20 to hold the PSRU housing away from the plate=20 surface.

         We = shall see=20 how it works. I figure I can put in set screws with
pipe dope if = any of=20 the holes leak oil.

Bill Dube'

At 12:20 PM 2/2/2006, you = wrote:
>In a message dated 2/1/2006 10:25:12 PM Pacific Standard = Time,=20
>bobperk@bellsouth.net writes:
>Has anyone used silk = thread=20 between the mounting plate and the gear housing
>without using=20 sealant? And would this cause a problem?
>
>Bob=20 Perkinson
>Hendersonville, TN.
>RV9 N658RP = Reserved
>If=20 nothing changes
>Nothing changes
>Bob,
>This is a = tecnique=20 used on Lycs' with poor case castings, WITH SEALANT. I
>would = suggest=20 that if you have GOOD castings/plates the thread will do
>more = harm=20 than good! Modern motorcycles with good castings use nothing but=20
>sealer ALWAYS. Yes Buly it can be a bi*#h to get off. The bike = cases=20 have
>frequently included a couple of jacking screws in an area = with=20 plenty of
>seal area.
>Bill = Jepson
--
Homepage: http://www.flyrotary.com/
Archi= ve and=20 UnSub:   http://mail.lanca= ironline.net/lists/flyrotary/

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