|Subject:||Re: [TowerTalk] Re: Thrust Bearing Usage|
|From:||Doug Renwick <email@example.com>|
|Date:||Mon, 25 Oct 2004 14:00:37 -0600|
My experience differs...properly sized thrust bearing side screws ARE used to support the weight of the mast and antennas at my QTH. I have not had any adverse reactions from using this method and it certainly simplifies the process when having to change out a rotor. Care must be taken when using the words "never" and "always".
So both are sharing the loads. Also, the thrust bearing side screws are only used to center the mast in the bearing; they are never used to hold the weight of the assembly. To change out the rotator I'll either use a come-a-long inside of the tower and jack up the mast or use a scissors jack on the top plate and jack up against the antenna boom to mast plate. Gd luck, Phil KB9CRY
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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