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From: "George Lendich" <lendich@optusnet.com.au>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2810960@logan.com>
Subject: Re: [FlyRotary] Re: Ceramic coated rotors
Date: Fri, 21 Mar 2008 16:43:40 +1000
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Ernest,
I'm hearing you!
The only imperfections I can see is the little dip on one side due to the 
combustion forces acting on the e-shaft ( a little bending). Apart from that 
I doubt any other imperfection would exist - for example, I have never heard 
of a housing being worn in ant lop-sided way.
George ( down under)

> George Lendich wrote:
>> Ernest,
>> I saw a video of similar method of lapping the housings - they used 
>> lapping paste between two housings on a slow running mill with a cam in 
>> the chuck. The cam pushed the top housing around, there didn't appear to 
>> be any pressure on the top housing. It might kill two birds with one 
>> stone, I'm thinking of doing that myself.
>> Just a suggestion!
> And a good one.  The only reservation I would have would be what if the 
> two housings aren't perfectly flat?  Wouldn't they just impose their 
> imperfections on each other?
>
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