Return-Path: Received: from [65.54.168.125] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 568803 for flyrotary@lancaironline.net; Wed, 15 Dec 2004 13:37:09 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.125; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 15 Dec 2004 10:36:07 -0800 Message-ID: Received: from 65.54.98.102 by BAY3-DAV21.phx.gbl with DAV; Wed, 15 Dec 2004 18:35:29 +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] Re: M/T Prop Won't Fit PSRU Date: Wed, 15 Dec 2004 13:35:30 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0223_01C4E2AA.F1C454B0" 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 13:35:30 -0500 X-OriginalArrivalTime: 15 Dec 2004 18:36:07.0075 (UTC) FILETIME=[F0997730:01C4E2D4] This is a multi-part message in MIME format. ------=_NextPart_000_0223_01C4E2AA.F1C454B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Can do, but the one-of-a-kind shaft price from the CNC facility that = does this part is high (> $500). There are better ways to do this. = BTW, is the drive lug called for by MT really 5/8"? That's not what I = remembered from past discussions. If it really is, my last suggestion = would be the easiest answer. Cost is almost zero. Tracy ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Wednesday, December 15, 2004 1:28 PM Subject: [FlyRotary] Re: M/T Prop Won't Fit PSRU Tracy, I do have access (if $ufficiently bribed) to an experienced machinist, = with a Bridgeport that should be able to handle the job. What's the = chance of getting an output shaft pre-drilled with =BE" bushing holes? =20 =20 Mark S. (lawn ornament comment referred to the M/T prop.)=20 =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Tracy Crook Sent: Wednesday, December 15, 2004 12:16 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: M/T Prop Won't Fit PSRU =20 I have no objection to removing the 5/8" drive lugs and drilling out = the prop flange hole for 3/4" bushings. I'm just saying it probably = can't be done with a hand drill in the garage. Any good machine shop = would be able to do this with the required precision. =20 =20 Tracy (cringing at the thought of RD-1C lawn ornaments) ----- 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 =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_0223_01C4E2AA.F1C454B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Can do, but the one-of-a-kind shaft price from the CNC = facility that=20 does this part is high (> $500).  There are better ways to do=20 this.  BTW, is the drive lug called for by MT really 5/8"?  = That=92s not=20 what I remembered from past discussions.    If it really = is, my=20 last suggestion would be the easiest answer.  Cost is almost = zero.
 
Tracy
----- Original Message -----
From: Mark R Steitle =
To: Rotary motors in = aircraft
Sent: Wednesday, December 15, = 2004 1:28=20 PM
Subject: [FlyRotary] Re: M/T = Prop Won't=20 Fit PSRU

Tracy,

I do have = access (if=20 $ufficiently bribed) to an experienced machinist, with a Bridgeport = that should=20 be able to handle the job.  What=92s the chance of getting an = output shaft=20 pre-drilled with =BE=94 bushing holes?  =

 

Mark=20 S.

(lawn = ornament=20 comment referred to the M/T prop.)

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Tracy Crook
Sent: Wednesday, December 15, = 2004 12:16=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: M/T = Prop Won't=20 Fit PSRU

 

I have = no=20 objection to removing the 5/8" drive lugs and drilling out the prop = flange=20 hole for 3/4" bushings.  I'm just saying it probably can't be = done with a=20 hand drill in the garage.  Any good machine shop would be = able to do=20 this with the required precision.  =

 

Tracy  = (cringing=20 at the thought of RD-1C lawn = ornaments)

----- = Original=20 Message -----

From: Mark R Steitle=20

To: Rotary motors in = aircraft=20

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

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

 

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

 

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

 

Mark=20 S.

Lancair = ES =96=20 20B

(with a = very=20 pricey lawn ornament) =20    

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