Mailing List flyrotary@lancaironline.net Message #17414
From: keltro@att.n <keltro@att.net>
Subject: Re: PSRU - gear set
Date: Fri, 18 Feb 2005 07:11:39 +0000
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Ernest,
      No I do not have personal knowledge  about what gears will interchange
betweem the early Ford C6 transmission (As used in "Ross" redrive) and
the late Ford E4OD transmission (With 6 planet gears & steel housing).......
     I do know one thing.......I would not advise using a 3 planet unit with
a possible 200 hp 13B rotary !! I do have a 4 planet "Ross" 2.85 redrive and
Tracy's 6 planet 2.85 "RD1C" redrive.......If you will send me your sun gear
I can tell you if it will mesh with both the 4 and 6 planet housings I have !
    Hopefully Tracy will jump in here and give you some "Real World Info"
regarding what will fit what !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2
-------------- Original message from Ernest Christley <echristl@cisco.com>: --------------


>
> > Kelly Troyer wrote:
> >
> >> Ernest,
> >> What ratio are the gearset in your redrive ? If the outer (ring
> >> gear) of
> >> the drive is fixed (pressed into housing) and the planet has four gears
> >> and if they are Ford (C6 or E4OD) the ratio will be 2.85 to 1....... You
> >> need to ask Tracy if the E4OD six pinion planetary will retrofit the
> >> to the
> >> four pinion planetary ring gear and sun gear........FWIW
> >> --
> >> Kelly Troyer
> >> Dyke Delta/13B/RD1C/EC2
> >
> Kelly, do you know of a way to positively identify these gears? I've
> found information and could identify them IF I had the transmission that
> it came out of.
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