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@aol.com>
To: <towertalk@contesting.com>; <Mikemedic130@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@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
>
>
>
>
>
>
> **************************************See AOL's top rated recipes
> (http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004)
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|