Mailing List flyrotary@lancaironline.net Message #67899
From: Doug Lomheim rv9flyer13b@gmail.com <flyrotary@lancaironline.net>
Subject: Broken PSRU Drive Pin
Date: Sun, 8 Jun 2025 18:01:51 -0500
To: Rotary Motors in Aircraft <flyrotary@lancaironline.net>
Dave:  I wasn’t aware there was a “pin” on the 2.17 PSRUs.  The two that I have both have a  slot that was welded shut.  My 2,85 drive has a “pin”, and that broke previously when Dennis H. had some EC2 issues that caused some nasty back firing.  That was corrected by swapping it out with a spare RWS input shaft, since it wasn’t looking like a machine shot would easily be able to correct the problem, etc.  

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Hello All,

I broke the 5\16" drive pin connecting the input shaft with the sun gear in my RWS redrive, 2.17 ratio. Anybody else with this problem and what is the fix.

Thanks
Dave Williams




Image
2.17 Input Shaft.jpg
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