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[TowerTalk] Motorized UST tower... very smooth and dead

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Subject: [TowerTalk] Motorized UST tower... very smooth and dead
From: "Jim Thomson" <jim.thom@telus.net>
Date: Wed, 29 Sep 2010 14:43:31 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Date: Wed, 29 Sep 2010 13:22:39 -0400
From: Alan NV8A <nv8a@charter.net>
Subject: Re: [TowerTalk] Motorized UST tower... very smooth and dead
quiet!

On 09/29/10 07:35 am, Jim Thomson wrote:

> The  UST HDX-689 is still sitting in the driveway, blocked up, horizontal.  I 
> have a cracked flange on one of the
> drum bearings, that will require a gear puller to get the large chain 
> sprocket off 1st.   Then both drum  bearings
> will be replaced at the same time.

<snip>

Can't find anything on the UST Web site about an HDX-689 -- only a 589. 
Is yours an older model? A custom model?

73

Alan NV8A

## Top section is  #6 [18"]...and bottom section is #10  [37.125"]     The UST  
numbering scheme is  the 1st digit  is
the number of the top section. Remaining digits is the max height.    UST also 
makes a 589, and also a 489. 

##They also make a 5106  [ 106' tall, identical to mine, but with a  6th 
section, that's 15" across].   They also
make a 572/672/772.    The 772 is like mine...minus the top section.  You could 
park a dump truck on a 772. 

## the 589 is rated for 30 sq ft.  The 689 is rated for 50 sq ft.    The 772 
would be way more than 50 sq ft. [70 mph]
Anyting with a bottom section #10 is big $$, and a lot heavier.[1006 lbs for 
bottom section #10] 

##  689 weighs 3250 lbs.   589 is abt 2440 lbs.      Dunno why a lot of models 
they make are not in the catalog/web site. 
Texas Towers  had the  689/5106 models listed on their site, but that was  a 
while back. 

Jim  VE7RF 

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