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[TowerTalk] Re: Long mast, intermediate bearing

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Subject: [TowerTalk] Re: Long mast, intermediate bearing
From: (Ken Kinyon)
Date: Mon, 6 Apr 1998 13:53:05 -0600
Hi Matt,
you said:
"The weight of the antenna/mast is perpendicular to the axis of
revolution, not parallel."
If you think this statement is true, you better review your high school physics 
book. ;<)

The axis of rotation or revolution is the centerline of the mast and the force 
of the antenna and mast weight is acting downward
along that axis if your antenna is mounted at its balance point.

No matter what you choose to use your thrust bearing for, their intended is to 
cause the majority of the force from the mass of your
mast and antenna to bear on your tower directly, not through the rotor.  They 
certainly do however aid in eliminating sideward
motion and reducing friction.


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