Here is a great review on the new G-Force clutch block which improves the gear stripping problem: http://www.rcheliresource.com/review-g-force…
The clutch bell bearings have started to get quite knotchy on the Aurora (100+ flights) so I decided to replace them. It turns out only the middle bearing part: AV00-200-216 needed replacing (that’s the larger of the bearings which sits just above the pinion) which presumably takes most of the force. A tip for any one needing to replace clutch stack bearings is:
- Drop the engine,
- Leave the ratio plate in place but remove the clutch block bearings (x8 bearings)
- Undo the starter coupler set screw and remove the starter shaft by sliding it down
- Slide the top bearing block up out of the frame
- Slide the lower bearing block and clutch-bell down out out of the frame
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