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Date: Mon, 14 Apr 2008 21:20:41 -0700
From: Dale Rogers <dale.r@cox.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Uh oh, this can't be good - RD-1B PSRU woes
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Dude!

   Them ain't pellets, them's roller bearings!

   Yup, that one's got to have depot maintenance.

Dale R.

Christopher Barber wrote:
> Correct me if I am wrong, but the stuff inside my RD-1B shown in the 
> attached pictures, I am guessin' is not good.  For as much as I know 
> about PSRU engineering, maybe the loose pellets are an "added feature."
>  
> While I was remounting my newly built 13b back on to the rear of the 
> Velocity I decided to try to hunt down a pesky PSRU oil leak that had 
> been problematic before the engine tear down/build of the last few 
> weeks.  I could not see anything obvious, so feeling emboldened after 
> building my second gen 13b with all new housings last week, before I 
> mounted the re-drive onto the newly installed engine, I removed the 
> through bolts holding the PSRU together
>  
> DOH! What the hell are all those little pellets and fragments of black 
> plastic??????
>  
> What gives? This unit was on the engine for about 6 of the 8 hours on 
> the old engine (those first two unloaded hours may be part of the 
> reason for my need for a new engine<??>  What went wrong?  What is the 
> cure?
>  
> I am thinking I need to crate this up and ship it off to RWS for 
> review and repair.  Maybe it will get there about the same time as 
> folks return from Sun & Fun.
>  
> I was so happy putting everything back together following the engine 
> build.  I thought I would be ready for first start tomorrow.  Well, 
> since I am well acquainted with Murphy and knowing full well that 
> Murphy and his little law is quite optimistic, I am on semi-hold.
>  
> Thanks for any insight.
>  
> All the best,
>  
> Chris
> Houston
>
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