So there's a bunch of posts of input shaft oil seal failures.

But what is the recommended oil seal?

I think I've traced my oil leak to that. (Tricky because found drops on fittings near oil filter base after last flight. But after wrapping paper towels around the fittings and doing a ground run-up, only traces of oil is on the outside of them -- likely slung up from the input shaft).

On a different note. January last year I bought a  “INA 81107TN Cylindrical Roller Thrust Bearing, Polyamide Nylon Cage, Open End, Metric, 35mm ID, 52mm OD, 12mm Width, 6500rpm Maximum Rotational Speed” on Amazon for $18.40 to replace the input thrust bearings on my RV-3B. (The stacked bearings are cutting a groove in the shaft.) Now the same bearing set costs $135 and up. WTF! Did find SKF 81107TN on eBay for $30.50. But dang! No inflation?

Finn


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