>I don't know if there is a "definitive" answer, but just think about the
>physics
>of the matter. The rotor is equipped (if it is a heavy-duty type) with multiple
>races containing up to a hundred or more ball bearings. (The Hy-Gain
>TailTwister
>has three races with 138 bearings.) Is the thrust bearing this well-equipped?
Excellent point.
Then there's the practical issue of how to align a thrust bearing with the
rotor,
so as to not cause MORE binding than doing without would create...
John K5MO
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