X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from mail02.syd.optusnet.com.au ([211.29.132.183] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTPS id 1907951 for flyrotary@lancaironline.net; Wed, 07 Mar 2007 17:57:14 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.183; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-87-44.dsl.nsw.optusnet.com.au [220.236.87.44]) by mail02.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l27MuJWs027987 for ; Thu, 8 Mar 2007 09:56:21 +1100 Message-ID: <004b01c7610b$d47e4cd0$2c57ecdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Worn rotor housings Date: Thu, 8 Mar 2007 08:56:22 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0048_01C7615F.A50EB3A0" 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_0048_01C7615F.A50EB3A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable George, I agree with you on this point! In fact many rebuilds are done with the types of rotor housings you = described, but the life is limited. Many of the local young lads eagerly = proclaim they can get a rebuild cheaply - little do they realize they = paying a lot for a set of new rubber seals. This isn't the type of engine you want for Aviation use. George ( down under) My .02 Joe, My first teardown and rebuild 13b had rotor housings with some of = the steel plating missing along one edge. I took them around to every = "expert" that I could find, they all agreed that they were fine to use. = I then went ahead and assembled the motor, with new seals, gaskets etc. The motor ran great, like brand new I imagine. But, When it was time to install the motor into my airplane, I just = didn't feel good about those rotor housings, so I found another motor = that I've been flying since 1998. By peeking inside I knew that these = housings were pristine. I still have the first motor, but I doubt that I = will ever use it without another rebuild with new housings. Bert Rutan said something to the effect of "Do your very best, even = that will only be just barely good enough". I know, that sitting on the end of the runway, I must feel confident = that everything is as good as I can get it, in order to enjoy my flight. = Others will differ perhaps. George Graham Sarasota Florida Mazda RX7 EZ -------------------------------------------------------------------------= ----- Never miss an email again! Yahoo! Toolbar alerts you the instant new Mail arrives. Check it out. ------=_NextPart_000_0048_01C7615F.A50EB3A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

George,

I agree with you on this = point!

In fact many rebuilds are done with the = types of=20 rotor housings you described, but the life is limited. Many of the local = young=20 lads eagerly proclaim they can get a rebuild cheaply - little do they = realize=20 they paying a lot for a set of new rubber seals.

This isn't the type of engine you want = for Aviation=20 use.

George ( down under)

My=20 .02 Joe,

My first teardown and rebuild 13b had = rotor=20 housings with some of the steel plating missing along one edge. I took = them=20 around to every "expert" that I could find, they all agreed that they = were=20 fine to use. I then went ahead and assembled the motor, with new = seals,=20 gaskets etc.
The motor ran great, like brand new I = imagine.

But,=20 When it was time to install the motor into my airplane, I just didn't = feel=20 good about those rotor housings, so I found another motor that I've = been=20 flying since 1998. By peeking inside I knew that these housings = were=20 pristine. I still have the first motor, but I doubt that I will ever = use it=20 without another rebuild with new housings.

Bert Rutan said = something to=20 the effect of "Do your very best, even that will only be just barely = good=20 enough".

I know, that sitting on the end of the runway, I must = feel=20 confident that everything is as good as I can get it, in order to = enjoy my=20 flight. Others will differ perhaps.

George = Graham
Sarasota=20 Florida
Mazda RX7 EZ

Never=20 miss an email again!
Yahoo! Toolbar alerts you the instant new = Mail=20 arrives.=20 Check it out. ------=_NextPart_000_0048_01C7615F.A50EB3A0--