X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 51 [XX] (65%) RECEIVED: IP not found on home country list (35%) SPAM TRICK: contains gapped text Return-Path: Received: from mail01.syd.optusnet.com.au ([211.29.132.182] verified) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTPS id 1672123 for flyrotary@lancaironline.net; Wed, 13 Dec 2006 17:02:37 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.182; envelope-from=lendich@optusnet.com.au Received: from george (d58-109-59-179.dsl.nsw.optusnet.com.au [58.109.59.179]) by mail01.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id kBDM1Vtq026061 for ; Thu, 14 Dec 2006 09:01:39 +1100 Message-ID: <005101c71f02$467de580$b33b6d3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: One Rotor Date: Thu, 14 Dec 2006 08:01:26 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0049_01C71F56.0E164EE0" 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_0049_01C71F56.0E164EE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageRusty, I believe the side seal surface is cast iron and the cooling is the same = i.e. water. I had been working on a similar project and struck many difficulties, = costs for one, Richard has bitten the bullet there, another is machining = and associated costs, Richard is doing his own and sealing - which is = the biggest issue.=20 As the 2 parts of the composite housing has to be sealed with water to = oil being in close proximity good sealing is a must. The cast Mazda = housings are heavy but many of the passageways are close which doesn't = leave a lot of room to modify things if you want to keep things pretty = similar to the original lay-out. The seal to the rotary chamber is relatively simple and can be kept as = per original design. As Richard alluded to the water passageways are a real nightmare, get = that wrong and the water doesn't flow as intended. Perhaps we could go back to the old NSU design of water flow going from = left to right rather than front to back ( back and forth) however that's = a total new development - i.e.That boggles the mind. George ( down under)=20 ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Tuesday, December 12, 2006 8:45 PM Subject: [FlyRotary] Re: One Rotor The compound side housing, power-take-off end, is getting ready to = be installed and tested. =20 Hi Richard, Very impressive looking housing. Is the side seal surface aluminum = (hardened some way), or steel (attached to the aluminum some way)? Is = the cooling oil, water, or air? 15 more hours and I may fly over there = to take a look at this :-) Rusty My invitation still stands, even for Lycosauruses. Give me a buzz to = make sure I am here(834-4905). Richard Sohn N2071U ------=_NextPart_000_0049_01C71F56.0E164EE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Rusty,
I believe the side seal surface is = cast iron=20 and the cooling is the same i.e. water.
I had been working on a similar project = and struck=20 many difficulties, costs for one, Richard has bitten the bullet there, = another=20 is machining and associated costs, Richard is doing his own and sealing = - which=20 is the biggest issue.
As the 2 parts of the composite housing = has to be=20 sealed with water to oil being in close proximity good sealing is a = must.=20 The cast Mazda housings are heavy but many of the passageways are close = which=20 doesn't leave a lot of room to modify things if you want to keep things = pretty=20 similar to the original lay-out.
The seal to the rotary chamber is = relatively simple=20 and can be kept as per original design.
As Richard alluded to the water = passageways are a=20 real nightmare, get that wrong and the water doesn't flow as=20 intended.
Perhaps we could go back to the old NSU = design of=20 water flow going from left to right rather than front to back ( back and = forth)=20 however that's a total new development - i.e.That boggles the=20 mind.
George ( down under) 
 
----- Original Message -----
From:=20 Russell=20 Duffy
To: Rotary motors in = aircraft=20
Sent: Tuesday, December 12, = 2006 8:45=20 PM
Subject: [FlyRotary] Re: One=20 Rotor

The compound side housing, = power-take-off=20 end, is getting ready to be installed and tested.  
 
Hi = Richard,
 
Very impressive looking housing.  Is = the side=20 seal surface aluminum (hardened some way), or steel (attached to the = aluminum some way)?  Is the cooling oil, water, or air?  = 15 more=20 hours and I may fly over there to take a look at this=20 :-)
 
Rusty
 
My=20 invitation still stands, even for Lycosauruses. Give me a buzz to = make sure=20 I am here(834-4905).
 
Richard=20 = Sohn
N2071U
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