X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from mail03.syd.optusnet.com.au ([211.29.132.184] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTPS id 1901091 for flyrotary@lancaironline.net; Sun, 04 Mar 2007 17:37:23 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.184; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-156-141.dsl.nsw.optusnet.com.au [220.236.156.141]) by mail03.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l24MaTjY011383 for ; Mon, 5 Mar 2007 09:36:31 +1100 Message-ID: <003401c75ead$8ecde5c0$8d9cecdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: new "project" fo Rusty Date: Mon, 5 Mar 2007 08:36:30 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0031_01C75F01.5F3A70E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0031_01C75F01.5F3A70E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageRusty, Having researched aluminium housing manufacture and then attempting to = make patterns for a composite ( al. with steel wear face) end housing, I = can assure you it isn't as easy as it first appears. That's why I give = credit to Richard Sohn for his work. I can well understand why they = might be having problems with the all al. housings. I suggested to Bill Jepson that we should start a co-operative to = manufacture housings and other components. He's researching surface = treatments. However even with a combined skills/ funding approach, it is = a massive undertaking, so don't hold your breath !! I believe the rear ( our front) housing is the hardest, that's the one I = attempted first - like I said it ain't easy! The front housing does however have the threads for the engine bolts, = which I believe could be the biggest problem, I would be inclined to use = threaded (chrome molly) rod with nuts both ends - especially for the = single. George ( down under) ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, March 05, 2007 1:29 AM Subject: [FlyRotary] Re: new "project" fo Rusty RB-alu side housings, make it a P-port and you are way ahead of the = weight-game...!!=20 The first problem with that plan is that the RB housings essentially = don't exist. They've never finished the front housing, and have only = sporadically offered rear and intermediate housings. I just called them = again a couple weeks ago, and they told me the same thing they've said = for at least 3 years- "we're working on them, and they should be ready = soon". =20 Rusty ------=_NextPart_000_0031_01C75F01.5F3A70E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Rusty,
Having researched aluminium housing = manufacture and=20 then attempting to make patterns for a composite ( al. with steel wear=20 face) end housing, I can assure you it isn't as easy as it = first=20 appears. That's why I give credit to Richard Sohn for his work. I can = well=20 understand why they might be having problems with the all al.=20 housings.
I suggested to Bill Jepson that we = should start a=20 co-operative to manufacture housings and other components. He's = researching=20 surface treatments. However even with a combined skills/ = funding approach,=20 it is a massive undertaking, so don't hold your breath !!
I believe the rear ( our front) housing = is the=20 hardest, that's the one I attempted first - like I said it ain't=20 easy!
The front housing does however have the = threads for=20 the engine bolts, which I believe could be the biggest problem, I would = be=20 inclined to use threaded (chrome molly) rod with nuts both ends -=20 especially for the single.
George ( down under)
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Monday, March 05, 2007 = 1:29=20 AM
Subject: [FlyRotary] Re: new = "project" fo=20 Rusty

RB-alu side housings, make it a P-port and you are way ahead of = the=20 weight-game...!! 
 
The first=20 problem with that plan is that the RB housings essentially don't=20 exist.  They've never finished the front housing, and have only=20 sporadically offered rear and intermediate housings. I just called = them again=20 a couple weeks ago, and they told me the same thing they've said = for at=20 least 3 years- "we're working on them, and they should be ready=20 soon".   
 
Rusty
 
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