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From: Dale Rogers <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] re-drive question for Tracy 
Date: Thu, 16 Jun 2005 13:59:37 -0400
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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.