X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail03.syd.optusnet.com.au ([211.29.132.184] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTPS id 3524596 for flyrotary@lancaironline.net; Tue, 03 Mar 2009 00:28:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=211.29.132.184; envelope-from=lendich@optusnet.com.au Received: from ownerf1fc517b8 (d220-236-255-172.dsl.nsw.optusnet.com.au [220.236.255.172]) by mail03.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id n235S8G8009358 for ; Tue, 3 Mar 2009 16:28:10 +1100 Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] No oil pressure. Date: Tue, 3 Mar 2009 15:28:09 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C99C14.A895AC30" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 0617-3, 04/28/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C99C14.A895AC30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Lynn, Your right, they are different, I had a look at my 12A housing and it's = the same as your photo - wonder why that is. George ( down under) Lynn, If you look at the housing on this web site and the housing photo you=20 provided, it would appear that the housing in your photo is ground = down=20 about .5 on the side we are looking at, the pump housing side( not the = rotor=20 wear side). I figured that a grind job would automatically cut down the all the = surface=20 to the same height, and might affect the pump housing depth - but I = suppose=20 it's possible to do the perimeter without touching the pump itself. Either that, or it's a different housing - later perhaps? George (down under) Neither has been ground beyond what the factory did. And, they are = different housings. BDC's (Brian D. Cain) is showing a later FD iron and = my picture is of a 12A iron.=20 Lynn E. Hanover ------=_NextPart_000_0007_01C99C14.A895AC30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Lynn,
Your right, they are different, I had a = look at my=20 12A housing and it's the same as your photo - wonder why that = is.
George ( down under)
Lynn,
If you look at the housing on this web site and the = housing=20 photo you
provided, it would appear that the housing in your photo = is=20 ground down
about .5 on the side we are looking at, the pump = housing side(=20 not the rotor
wear side).

I figured that a grind job would=20 automatically cut down the all the surface
to the same height, and = might=20 affect the pump housing depth - but I suppose
it's possible to do = the=20 perimeter without touching the pump itself.

Either that, or = it's a=20 different housing - later perhaps?
George (down under)
Neither has been ground beyond what the factory did. And, they = are=20 different housings. BDC's (Brian D. Cain) is showing a later FD iron = and my=20 picture is of a 12A iron. 
 
Lynn E. Hanover
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