Crank-ups have the advantage (some of them) of being able to tilt
over. Makes antenna maintenance much simpler. You can't do that
with a guyed tower and not many self-supporting towers tilt over.
There are some Aluminum ones that tilt over, but they get as
expensive as the crank-up.
73, Dick, W1KSZ
> From: K7LXC@aol.com
> Date: Sun, 29 Mar 2009 19:25:03 -0400
> To: towertalk@contesting.com; NE6V@roadrunner.com
> Subject: Re: [TowerTalk] weight and sq. ft antenna limits on rohn 25 and 45
>
>
> In a message dated 3/26/2009 5:55:05 A.M. Pacific Daylight Time,
> towertalk-request@contesting.com writes:
>
> > Can someone update me as to the limits for Rohn25 and 45 towers
> please.Max weight and how much antenna can each hold?
>
>
> I'm not sure if anyone addressed your question. It looks like you need a
> Rohn catalog. There are cd versions around (I'm sure a TT'er could get one
> to you) and also there are some online catalogs available.
>
> To answer your question, I've never seen a max weight figure for any
> tower. They use a combination of antenna area and windspeed to come up with a
> tower loading figure. (And I think you meant how much each "tower" can hold.)
>
>
> One thing to keep in mind is that for 45G, Rohn has already deducted 8
> square feet for a "symmetrical mount" at the top of the tower so you can add
> it
> back in for ham radio loading purposes. This doesn't apply for 25G
>
>
> > Are these the best of the non crackups or which other(s) can anyone
> suggest?
>
>
> Crank-ups are the most expensive tower structure so if you want to spend the
> most dollars for your tower, that's the way to go. Otherwise your decision
> is probably between a guyed tower and a self-supporter.
>
>
> Cheers,
> Steve K7LXC
> TOWER TECH
>
>
> **************Feeling the pinch at the grocery store? Make dinner for $10 or
> less. (http://food.aol.com/frugal-feasts?ncid=emlcntusfood00000001)
> _______________________________________________
>
>
>
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