Dan:
Yes, I tried lowering my 50 foot crank up once in a heft wind and
nothing happened, execpt the cable went limp. I just tightened the
cable back up and said to heck with lowering it. Tower and beam
survived with no problems.
Tom, WW5L
TexasRF@aol.com wrote:
>
> Also pretty hard on the underwear as well! Love those pull down cables--
>
> 73/K5GW
>
> In a message dated 10/15/2006 1:59:53 P.M. Central Daylight Time,
> dhearn@air-pipe.com writes:
>
> Crank up towers using manual winches do not like to lower when strong winds
> are blowing. The weight of the sections is not great enough to overcome the
> binding forces between sections. Most if not all motor driven winch towers
> use power pull down cables to help retract them. It is a very scary thing
> when you are lowering your crank up and the wind force causes one or more
> sections to stick. The cable goes slack until the wind lets up then down the
> sections come with a thump. Mighty hard on the cables.
> 73. Dan, N5AR
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com]On Behalf Of jknodel M Knodel
> Sent: Sunday, October 15, 2006 10:58 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Am I asking for trouble? - tower loading
>
>
> I would like to get everyone's opinion on this -
>
> I am planning on installing a US Towers crankup tower. These towers are
> rated for windloads at 50mph and 70mph. I want to stack 2 beams on the
> tower. These 2 antennas would exceed the tower's windload rating at 70mph
> but would be well within the rating for 50mph. I plan to install a wind
> speed meter and deligently crank down the tower every time the wind exceeds
> 50mph.
>
> I cannot install a guyed tower at this location so this is my only option.
> The crankup with these antennas and cranking it down in winds over 50mph is
> my plan. Am I asking for trouble in doing this?? Thanks.
>
>
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