Return-Path: Received: from [65.54.168.115] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 568783 for flyrotary@lancaironline.net; Wed, 15 Dec 2004 13:27:33 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.115; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 15 Dec 2004 10:27:01 -0800 Message-ID: Received: from 65.54.98.102 by BAY3-DAV11.phx.gbl with DAV; Wed, 15 Dec 2004 18:26:07 +0000 X-Originating-IP: [65.54.98.102] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] M/T Prop Won't Fit PSRU Date: Wed, 15 Dec 2004 13:26:09 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_020B_01C4E2A9.A364F730" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0009.2900 Seal-Send-Time: Wed, 15 Dec 2004 13:26:09 -0500 X-OriginalArrivalTime: 15 Dec 2004 18:27:01.0761 (UTC) FILETIME=[AB912710:01C4E2D3] This is a multi-part message in MIME format. ------=_NextPart_000_020B_01C4E2A9.A364F730 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Just had another idea on this. Drill the RD-1C drive lugs to 1/2" for the sacred MT 1/2" bolts. Make a = simple 3/4" OD / 5/8" ID bushing 3/32" thick and put it on one of the = drive lugs. =20 No drilling the prop hub required. Tracy=20 ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Wednesday, December 15, 2004 12:37 PM Subject: [FlyRotary] M/T Prop Won't Fit PSRU=20 I have been working to resolve a problem for more than a month now and = thought I would query the group for a possible solution. =20 =20 If anyone else is running (or planning to run) a 3-blade M/T electric = prop with the RD-2C gearbox, I have discovered a mating problem in using = this prop/gearbox combination for my 20B. The problem is the RD-2C prop = flange comes with 3/8 id x 5/8 od bushings. The M/T prop has a stepped = hole that is =BE" for the first 3/32" and then goes to 5/8". Tracy is = not comfortable with drilling out the 5/8" bushings and M/T adamantly = advises against using anything less than =BD" prop bolts with this prop. = So, I'm at a standstill until I can get this resolved. The only = solution I can see is to press out the existing bushings and open up the = holes to accept =BE" od x =BD" id bushings. But that would require = disassembly of the gearbox and some precision machine work, possible but = not my first choice. =20 =20 Mark S. Lancair ES - 20B (with a very pricey lawn ornament) =20 ------=_NextPart_000_020B_01C4E2A9.A364F730 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Just had another idea on this.

Drill the RD-1C drive lugs to 1/2" for the sacred MT 1/2" = bolts. Make=20 a simple 3/4" OD / 5/8" ID bushing 3/32" thick and put it on one of = the=20 drive lugs.

No drilling the prop hub required.

Tracy

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

From: Mark R Steitle =

To: Rotary motors in = aircraft

Sent: Wednesday, December 15, = 2004 12:37=20 PM

Subject: [FlyRotary] M/T Prop = Won't Fit=20 PSRU

I have been working to = resolve a=20 problem for more than a month now and thought I would query the group = for a=20 possible solution.

If anyone else is = running (or=20 planning to run) a 3-blade M/T electric prop with the RD-2C gearbox, I = have=20 discovered a mating problem in using this prop/gearbox combination for = my=20 20B. The problem is the RD-2C prop flange comes with 3/8 id x = 5/8 od=20 bushings. The M/T prop has a stepped hole that is =BE=94 for the = first 3/32=94=20 and then goes to 5/8=94. Tracy is not comfortable with = drilling out=20 the 5/8=94 bushings and M/T adamantly advises against using anything = less than=20 =BD=94 prop bolts with this prop. So, I=92m at a standstill = until I can get=20 this resolved. The only solution I can see is to press out the = existing=20 bushings and open up the holes to accept =BE=94 od x =BD=94 id = bushings. But=20 that would require disassembly of the gearbox and some precision = machine work,=20 possible but not my first choice.

Mark=20 S.

Lancair ES =96=20 20B

(with a very pricey lawn = ornament) =20

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