Mailing List flyrotary@lancaironline.net Message #23993
From: Echo Lake Fishing Resort (Georges Boucher) <echolakeresort@telus.net>
Subject: Re: [FlyRotary] re-drive question for Tracy
Date: Thu, 16 Jun 2005 11:19:16 -0700 (Pacific Standard Time)
To: <flyrotary@lancaironline.net>
 Dale
The engine oil is a much better gear lubricant, the reason that it normally runs in ATF is for the clutch & brake operation in an automatic transmission, heavier oil would limped engagement & disengagement.
Georges B.
 
-------Original Message-------
 
Date: 06/16/05 11:00:29
Subject: [FlyRotary] re-drive question for Tracy
 
Tracy,
 
   Ian brough up a point that could also apply to the
re-drive.  Since the planet ass'y was originally designed
for lubrication with ATF, is there any particular reason
why it couldn't be run as a closed system with a "scavage"
pump circulating ATF, instead of using engine oil?
 
   Dunno if there's any advantage to the ATF, for that matter,
but I thought I'd ask.
 
Dale
(to whom the thought just occurred that this may have already
been discussed - some years ago - and could be in the
archives.)
 
 
> From: "Ian Dewhirst" <ianddsl@magma.ca>
> Date: 2005/06/16 Thu AM 10:52:04 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: turbo oil drain
>
> Hi Rusty, there is no rule that states that you have to use engine
> oil, since you already have a pump to scavenge and you really don't need
> much oil pressure for a turbo, add a small sump and a little cooler perhaps,
> and your worries of an engine oil leak are over.  The added advantage is
> that you can lubricate before start and cool after shutdown.
 
 
 
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