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Date: Wed, 22 Jun 2005 16:29:56 -0400
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: PSRU adapter plate
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Dean wrote:

> Ernest
>  
> I agree with Kelly on this.  Quite aside from any structural 
> considerations,  in looking at Tracy's exploded view of the RD 
> assembly, it appears that you would be moving the whole main gear 
> housing assembly 1/4 inch closer to the eccentric shaft and trying to 
> force the input shaft/sun gear 1/4 inch deeper into the planetary 
> gears.  From examination of my uninstalled RD-1B, I believe that all 
> shaft lengths, bearings, thrust bearings, clearances,etc, are 
> carefully based on use of the 1/2 inch plate, and it would be 
> impossible to use anything thinner. 
>  
> Dean Van Winkle
> RV-9A  Fuselage/Finish   '89 13B NA, RD-1B, EC2, EM2


Thanks, Dean, but the RD-1 measurements won't be a consideration.  I 
have a different PSRU.

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