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Here is the verdict, after running the engine without oil pressure. Actually the engine stopped in flight. Still after fixing the broken hose, I refilled the engine and flew back home (about 10 minutes).
I will replace all the bearings, no apparent damage to the shaft. There is some damage to the bearings, that is probably what stopped the engine in its tracks.
Rotor no. 1 and its housings have no damage
Rotor no. 2 side housings have some damage -- no damage to rotor no. 2 housing.
I whish Lynn would take a look at the included center housing photo and comment.
There is some wargage on the face of the end housing and the center housing. I cannot slide a 0.0005 feller gauge under the strait edge but I can see the light.
I wonder if lapping the housings would fix that. How much metal can be removed safely, and still have a useable housing?
There is no apparent damage to the gears and bearings of the redrive.
Rino Lacombe
Grounded for a while.
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