Mailing List flyrotary@lancaironline.net Message #23998
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: re-drive question for Tracy
Date: Thu, 16 Jun 2005 15:08:28 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Bob, I sent one pump to Rusty and he should have it today or tomorrow.
There are two versions. http://enginegearonline.com/gepuforoilfu.html
Same pump head, but one has a larger motor. For the small amount of oil you
will circulate, the smaller one will be fine. But again, it is an electric
motor, and sooner or later they may fail?
Get a second opinion from Rusty too :)
Buly


On 6/16/05 2:46 PM, "Bob White" <bob@bob-white.com> wrote:

> Hi Buly,
>
> I have a sort of unique situation that wouldn't apply to most anyone
> else.  My MM plate (NOT the one supplied by Tracy) has a slight
> problem.  The recess for the rear seal was machined a few thousands too
> large.  The seal was not a press fit so I agonized over what I was
> going to do with it (last year sometime) and finally decided to hold
> the seal in place with Proseal.  I don't think there is a lot of
> pressure there, and I don't think it would leak too fast if it did come
> loose, but I won't know until it happens.  I might be surprised.   If it
> were to leak, I would prefer to not be pumping engine oil overboard
> risking the engine as well as the redrive.
>
> As a side benefit, I suspect the redrive would run cooler if I weren't
> pushing hot engine oil thru it.  That should be better for the
> redrive.  If I were to do it, there would be an oil reservoir, pump, and
> small oil cooler.
>
> I might mention that I will have at least 15 hours of ground time on
> the engine before even thinking of flying it.
>
> Bob W.
>
>
>
>
>>> Buly,  do you have a pump that would be suitable for that application?
>>>
>>> Bob W.



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