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Old 15-03-2016, 08:41   #31
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Re: Brunton Autoprop -- Brinelled Bearings

Quote:
Originally Posted by Frankly View Post
As to why Bruntons used ball bearings, those blades have to all assume the same precise angle of attack. Get a little weed in one of the bearing races (probably not likely on the sealed unit) and you will be off to the dentist to get your fillings replaced.
Agreed, but -

Brinelling (or false-) must be capable of introducing resistance to rotation when present mustn't it?

Given that roughness can be felt on inspection?

Once it starts the increased "hammering" in a ball or roller bearing can rapidly lead to failure.
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