Received-SPF: none
 receiver=logan.com; client-ip=76.96.30.64; envelope-from=cbarber@texasattorney.net
Message-ID: <A4EE331117944B1385464008324EC81D@ChristopherNB>
From: "Christopher Barber" <CBarber@TexasAttorney.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-2848129@logan.com>
In-Reply-To: <list-2848129@logan.com>
Subject: Re: [FlyRotary] Re: Uh oh, this can't be good - RD-1B PSRU woes
Date: Tue, 15 Apr 2008 00:00:14 -0500
MIME-Version: 1.0
Content-Type: text/plain;
	format=flowed;
	charset="iso-8859-1";
	reply-type=response
Content-Transfer-Encoding: 7bit

I was checking on an oil leak when I tore the redrive apart. There was not 
any oil in the area I tore into, however it was "oily" (meaning some oil 
residue).  The PSRU had been sitting for a number of weeks though.  Don't 
recall an oil spill under it.....plenty of other oil spills during the 
engine build, just not under the PSRU <g>.

Thanks again.

Chris

----- Original Message ----- 
From: "Dale Rogers" <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, April 14, 2008 11:40 PM
Subject: [FlyRotary] Re: Uh oh, this can't be good - RD-1B PSRU woes


> Chris,
>
>   A little more seriously - I suspect the black plastic used to be
> the bearing cage, that kept the rollers evenly spaced around the
> bearing race.  The blue or black tint on the rollers (as well as
> the melted plastic) suggest that things got a bit over-heated?  Are
> you sure that the re-drive was actually getting any oil inside of
> it?
>
> 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
>>
>> ------------------------------------------------------------------------
>
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub: 
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>