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From: <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: PP construction methods
Date: Thu, 21 Jun 2007 8:08:18 -0500
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> 
> From: "Russell Duffy" <rusty@radrotary.com>
> Date: 2007/06/21 Thu AM 07:59:01 EST
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: PP construction methods
> 
> Greetings,
>  
> Sorry to post a question and disappear, but my coworker is off this week,
> and the MRI gods are angry...
>  
> Thanks for the great info.  I thought I had read (maybe from Lynn) that
> welding the housings was a bad idea.  Have you actually welded any of these
> George?  Got any pics? 
>  
> If a light press (small hammer <g>) fit with epoxy is OK, then that sounds
> like the way to go.  Shouldn't be too tough to come up with some mechanical
> method of holding the tube on the outside.  Lynn, would there be a problem
> TIG welding the aluminum tube to the outer portion of the housing?  Just 3
> or 4 telltale spots would probably be enough.  
>  
> Jerry, how did you ever shape the end of that tube without scratching the
> housing???  Absolutely beautiful :-)
>  
> Cheers,
> Rusty (off to Panama City) 

I would take it eazy on the pressing. I have in the hangar one PP housing with few radial cracks in the housing around the tight fitting tube.
Buly
Getting ready for the Great Tear Down