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From: Dale Rogers <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Ross unit disassembly
Date: Tue, 14 Jun 2005 11:27:54 -0400
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Ben,

   It sounds as though you also need to check the thrust 
bearing.  IIRC, there is an upgrade for that, which greatly 
increases the longevity of the drive.

Dale R.
 
> From: "Ben Baltrusaitis" <ben@gmpexpress.net>
> Date: 2005/06/14 Tue AM 06:35:32 EDT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Ross unit disassembly
> 
> Kelly, it's a 2.17.
> It appears that the four nuts on the back side hold the input shaft bearing with big flat washers. Unfortunately, the bearing allows the shaft to move up and down a lot and their is too much shaft movement forward and back. Their was a reverberation at 3200 rpm that sounded like it was coming from the planetary gear.
> This is on a Subaru engine, not a rotary. My 20B is still on my workbench.
> Thanks!
> Ben
>   ----- Original Message ----- 
>   From: Kelly Troyer 
>   To: Rotary motors in aircraft 
>   Sent: Tuesday, June 14, 2005 1:19 AM
>   Subject: [FlyRotary] Ross unit disassembly
> 
> 
>    Ben,
>        Is your Ross drive 2.17-1 or 2.85-1 ? 
>   --
>   Kelly Troyer 
>   Dyke Delta/13B/RD1C/EC2 
> 
> 
> 
> 
> 
> 
>     -------------- Original message from "Ben Baltrusaitis" <ben@gmpexpress.net>: -------------- 
> 
> 
>     I need to get my Ross redrive apart to check the planetary gear. I have the whole unit off the engine and the 16 nuts off the cone where the planetary gear is located, but I can't get it to come apart.
> 
>     Do I have to take the four nuts off the back side to get the cone off?
>     I don't have assembly instructions. I would really appreciate someone's help!
>     Thanks!
>     Ben
> 
> 
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