[TowerTalk] question on thrust bearing

[Artmouton]

I am installing a Rohn 55G and got on their website and printed their info 
sheet on their base installation recommendation.
It would probably be the same as with most towers.
The 55g base plans are more extensive than the 25g.
Art K5FNQ

----- Original Message ----- 
From: <K7LXC at aol.com>
To: <towertalk at contesting.com>; <Mikemedic130 at aol.com>
Sent: Saturday, December 22, 2007 7:09 AM
Subject: Re: [TowerTalk] question on thrust bearing


>
> In a message dated 12/20/2007 9:02:53 A.M. Pacific Standard Time,
> towertalk-request at contesting.com writes:
>
>>  I will be looking to add a cushcraft m5ab mini beam (35lbs,  and 3.35sq
> windload) along with a
> yaesu g-450a rotor to my 7-40  universal aluminum tower.  Question is 
> should
> I
> be concerned
> with  using a thrust bearing?  I wont be looking to add anything more 
> later
> since I have a small
> city lot and want to be nice to my neighbors.
>
> IMO thrust bearings are way overrated. For this  moderate load, you really
> don't need anything. The rotator will take the  vertical load and the 
> tower can
> take the horizontal load so no problem. Save  your money.
>
>    OTOH with large, aggressive loads they can be  useful.
>
> Cheers,
> Steve     K7LXC
> TOWER TECH
>
>
>
>
>
>
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