Return-Path: Received: from mail.theofficenet.com ([65.166.240.5] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with SMTP id 761715 for flyrotary@lancaironline.net; Sun, 27 Feb 2005 13:30:18 -0500 Received-SPF: none receiver=logan.com; client-ip=65.166.240.5; envelope-from=jackoford@theofficenet.com Received: (qmail 826 invoked from network); 27 Feb 2005 17:59:50 -0000 Received: from dpc691941229.direcpc.com (HELO jack) (69.19.41.229) by mail.theofficenet.com with SMTP; 27 Feb 2005 17:59:50 -0000 Message-ID: <006f01c51cfa$2c0bcde0$0200a8c0@jack> From: "Jack Ford" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Racemate alt/water pump Date: Sun, 27 Feb 2005 10:28:35 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_006A_01C51CB7.180D87E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_006A_01C51CB7.180D87E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageWould it be possible to increase the thickness of the plate-to- = rear housing spacers on Tracy's redrive and use a pilot bearing adaptor = of some kind if necessary to increase the clearance between the damper = and the plate? That is, allow the spline to slide out somewhat? Would it be completely preposterous to ask Tracy about lengthening the = input shaft (a little)? Jack Ford (Harkening back to engine swap days). ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Sunday, February 27, 2005 9:35 AM Subject: [FlyRotary] Re: Racemate alt/water pump option 3 - a 'low-profile' design that would easily fit between the = PSRU and engine. Under 1.25" would work I think, but someone will need to measure this to be sure. Hi Ernest, I took a (bad) pic of this yesterday, and estimated some measurements = as well. =20 The minimum distance between the spinning parts of the RD-1 dampener = plate and the rear of the drive mounting plate is about 5/16". This is = at the end of the four bolts that attach the dampener plate to the flex = plate. =20 The max distance is about 1-3/8", which is inside about a 6 inch = diameter. =20 You would really need a dampener that's off the engine to measure. = The only problem on drive mounting plate side is the heads of the long = AN-3 bolts that hold the drive in place. The plate is 1/2" thick I = believe, and Tracy might allow you to mill a recess to let the heads be = flush with the back side of the plate. You'd have to ask him. It would = also be convenient if some of those bolts could be used to mount the = stator, which would mean you wouldn't have to recess them. =20 I should be receiving a new RD-1C for the single rotor project in the = near future, and could make better measurements then. =20 Cheers, Rusty (rain clearing at least temporarily) -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_006A_01C51CB7.180D87E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Would it be possible to increase the = thickness of=20 the plate-to- rear housing spacers on Tracy's redrive and use = a pilot=20 bearing adaptor of some kind if necessary to increase the clearance = between the=20 damper and the plate? That is, allow the spline to slide out=20 somewhat?
Would it be completely preposterous to = ask=20 Tracy about lengthening the input shaft (a little)?
 
Jack Ford (Harkening back to engine = swap=20 days).
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Sunday, February 27, 2005 = 9:35=20 AM
Subject: [FlyRotary] Re: = Racemate=20 alt/water pump

option 3 - a 'low-profile' design that would easily = fit=20 between the PSRU
and engine.  Under 1.25" would work I think, = but=20 someone will need to
measure this to be sure.

 
Hi=20 Ernest,
 
I took = a (bad)=20 pic of this yesterday, and estimated some measurements as well. =20
 
The = minimum distance=20 between the spinning parts of the RD-1 dampener plate and the = rear of the=20 drive mounting plate is about 5/16".  This is at the end of the = four=20 bolts that attach the dampener plate to the flex plate. =20
 
The = max distance is=20 about 1-3/8", which is inside about a 6 inch diameter. =20
 
You = would really need=20 a dampener that's off the engine to measure.  The only problem on = drive=20 mounting plate side is the heads of the long AN-3 bolts that hold the = drive in=20 place.  The plate is 1/2" thick I believe, and Tracy might allow = you to=20 mill a recess to let the heads be flush with the back side of the = plate. =20 You'd have to ask him.  It would also be convenient if some of = those=20 bolts could be used to mount the stator, which would mean you wouldn't = have to=20 recess them. 
 
I = should be receiving=20 a new RD-1C for the single rotor project in the near future, and could = make=20 better measurements then. 
 
Cheers,
Rusty = (rain clearing=20 at least temporarily)

>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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