From: "Charlie England" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: bearing in mazda g/box
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Message-ID: <0193ddee-e836-e002-7ccd-d2a3616a2f61@gmail.com>
Date: Sat, 5 Aug 2017 11:29:30 -0500
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I think those are the thrust bearings, to handle the thrust of the 
helical gears in the planetary gearset. Is that what Neil's asking about?

On 8/5/2017 9:51 AM, Bill Schertz wrote:
> I believe that Tracy's gearbox uses a stack of needle bearings to 
> lower the rpm of each bearing to a better value
> Bill Schertz
>
> -----Original Message----- From: Neil Unger
> Sent: Friday, August 04, 2017 11:54 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] bearing in mazda g/box
>
> Gents,  I have suddenly realised that the main bearing on the Mazda
> g/box input shaft would have to take 8/9000 RPM.  In my search most
> bearings give out at 6,000 RPM.  Does anyone know just what bearing they
> use?  Perhaps the number??   I realise i am the optimist.  Thanks Neil.
>
>
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