X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp102.sbc.mail.re2.yahoo.com ([68.142.229.103] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with SMTP id 2787667 for flyrotary@lancaironline.net; Tue, 11 Mar 2008 21:20:29 -0400 Received: (qmail 62655 invoked from network); 12 Mar 2008 01:20:28 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=XmcKFH81enT3PjgKr4DtCVvL/K3rFJwaYIyUIhA5pFFkVJtDX1tSCQPKD8CCQNqBGj7YMH4XWCorFty+2rftJyDS6v/idYA7oKkmTLkZzl8JzFckyiubxqh9CRS40ZfqBw2nwdNeKORkYVpauWAUcDFGF/z+KKQPePvFNK9A1Ls= ; Received: from unknown (HELO mom) (downing.j@sbcglobal.net@75.40.227.17 with login) by smtp102.sbc.mail.re2.yahoo.com with SMTP; 12 Mar 2008 01:20:27 -0000 X-YMail-OSG: XmLMp6YVM1kHTJe0gm4o03DYq3RfRogY9DbwSZmsTnpd6YSL3itiDiuDNMLVBkwfjWpjWJaV4pRQIVQyDFkKYjQ8KG0baVyMWrGts3RXgdZX55pwwWhjUFfNCGNwbaVQsYMvWXM_KmzCQoUBlUs- X-Yahoo-Newman-Property: ymail-3 Message-ID: <000a01c883e0$260a95c0$4001a8c0@gateway.2wire.net> From: "John Downing" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Thrust on E-shaft Date: Tue, 11 Mar 2008 20:26:50 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C883B6.3CAE46C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C883B6.3CAE46C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable George, Marcotte started out with a set up like Tracy is using and must = have switched to the pins (these are approximately 3/4 " in dia. as I = recall and smaller at the outer end) inserted into the bushings without = a thru bolt. I do not have any working knowledge of this set up, that = is why I am more than a little concerned about it. It would appear that = the disc's would be trying to push themselves apart. JohnD ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Tuesday, March 11, 2008 2:21 AM Subject: [FlyRotary] Re: Thrust on E-shaft John, That sounds like a lot of dampers out there. I didn't realize Marcotte = used that system - how are the opposing sides held together. George (down under) Lynn, I have a Marcotte Redrive and the drive disc has 5 pins that = appear to have a taper similar to a Morse Taper and the driven disc has = isolator bushings, which are internally tapered to fit the pins, of some = type to absorb the torisonal vibrations. Will this setup cause an = undesirable load on the thrust bearings. I was hoping to get a first = start when the snow goes, now this question comes up. JohnD -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG.=20 Version: 7.5.518 / Virus Database: 269.21.7/1324 - Release Date: = 10/03/2008 7:27 PM ------=_NextPart_000_0007_01C883B6.3CAE46C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
George,  Marcotte started out with = a set up=20 like Tracy is using and must have switched to the pins (these are = approximately=20 3/4 " in dia. as I recall and smaller at the outer end) inserted into = the=20 bushings without a thru bolt.  I do not have any working knowledge = of this=20 set up, that is why I am more than a little concerned about it.  It = would=20 appear that the disc's would be trying to push themselves apart. =20 JohnD
----- Original Message -----
From:=20 George=20 Lendich
Sent: Tuesday, March 11, 2008 = 2:21=20 AM
Subject: [FlyRotary] Re: Thrust = on=20 E-shaft

John,
That sounds like a lot of dampers out = there. I=20 didn't realize Marcotte used that system - how are the opposing sides = held=20 together.
George (down under)
Lynn, I have a Marcotte Redrive and = the drive=20 disc has 5 pins that appear to have a taper similar to a Morse Taper = and the=20 driven disc has isolator bushings, which are internally tapered to = fit the=20 pins, of some type to absorb the torisonal vibrations.  Will = this setup=20 cause an undesirable load on the thrust bearings.  I was hoping = to get=20 a first start when the snow goes, now this question comes up. =20 JohnD

No virus found in this incoming message.
Checked by AVG.=20
Version: 7.5.518 / Virus Database: 269.21.7/1324 - Release Date: = 10/03/2008 7:27 PM
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