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My spinner has an aluminum sheet forward bulkhead
formed to meet the cone with a flange about 1/2" wide.
After about 600 hours, this spinner started to show
some wear / erosion from contact with the flange.
I made a small trowel out of thin fiberglass with a
triangular file and applied some RTV on the flange.
The effect is "V" ridges like you get from a floor
cement trowel. Cure the RTV before reassembly.
It's up to 1387 hours now with no other
problems. No wobble of the spinner is evident at idle.
Mark Ravinski
N360KB
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