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I asked Tracy that question a while back. The answer, as I recall it,
was that engine oil is better for lubrication. The ATF is needed
because of other considerations in the automatic transmission. A
separate closed system is OK, but use engine oil, and you need a high
pressure pump.
Buly, do you have a pump that would be suitable for that application?
Bob W.
On Thu, 16 Jun 2005 13:59:37 -0400
Dale Rogers <dale.r@cox.net> wrote:
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. >> Homepage: http://www.flyrotary.com/
>> Archive: http://lancaironline.net/lists/flyrotary/List.html
--
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (real soon)
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