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

[Jim Thomson]

Date: Wed, 29 Sep 2010 13:22:39 -0400
From: Alan NV8A <nv8a at 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