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From: <cardmarc@charter.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] PSRU adapter plate
Date: Fri, 17 Jun 2005 11:48:56 -0400
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What kind of bellhousing did you plan on using? The stock one?
Marc
> From: Ernest Christley <echristley@nc.rr.com>
> Date: 2005/06/17 Fri AM 11:26:43 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] PSRU adapter plate
> 
> My bellhousing is to heavy. Dave McC is considering buying it for his 
> Europa, so I've been researching what it would take to replace it.  I 
> think Tracy' s adapter plate is a very elegant solution for the 
> homebuilder (ie, those of use without a foundry).
> 
> His adapter plate uses 1/2" 6061.  I've been considering at 7075 
> aluminum.  It has about twice the cost but also twice the yield 
> strength.  If I could use 1/4" plate instead of the 1/2", the cost would 
> be comparable, but I would have the very large benefit of saving 
> something on the order of 4lbs in a very weight sensitive area.  I don't 
> have the expertise to run the numbers with confidence.  All I can do is 
> a static analysis following the directions outlined on PL's website, 
> just like I did for the engine mount.
> 
> Any advise of stuff to look for that might no be so obvious and not show 
> up in a static analysis? (the three axis and torsional forces are obvious)
> 
> Ernest (hoping I didn't coin any more new words)
> 
> -- 
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