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From: <cardmarc@charter.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] re-drive question
Date: Fri, 17 Jun 2005 11:13:13 -0400
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Some redrives have thier own oil supply, pump and cooler. Advantage is you can use lubricant specificially designed for gears and not combustion byproducts.
Marc
> 
> From: Dale Rogers <dale.r@cox.net>
> Date: 2005/06/16 Thu PM 01:59:37 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> 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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