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Re: [TowerTalk] Manually crank down a motorized tower

To: Robert Harmon <k6uj@pacbell.net>, "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Manually crank down a motorized tower
From: Ken K6MR <k6mr@outlook.com>
Date: Thu, 21 Mar 2019 03:33:29 +0000
List-post: <mailto:towertalk@contesting.com>
Take the drive gear off and use a Hole Hawg.



Ken K6MR



________________________________
From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Robert Harmon 
<k6uj@pacbell.net>
Sent: Wednesday, March 20, 2019 5:34:06 PM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] Manually crank down a motorized tower

Joe,

Yeah I figured it would take a lot of cranking.  Hope I don’t have to worry 
about it !


73,
Bob
K6UJ

> On Mar 20, 2019, at 4:54 PM, Joe K2UF <joe@k2uf.com> wrote:
>
> Bob,
>
> I have a 72 foot tri-ex tower .  Have never user the motor control for it.
> I have cranked it up and down manually many times.  You are correct it takes
> a lot of cranking.  Once I counted the turns.  It took about 1000 revs to
> lower each section ( also 1000/sect. back up  UGHHH).
>
> Good luck,
>
> 73  Joe K2UF
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Robert Harmon
> Sent: Wednesday, March 20, 2019 7:40 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] Manually crank down a motorized tower
>
>
> I have a US Tower HDX589MDPL with the motorized drum.  I was wondering what
> I would do in the event that something failed in the control box and I
> needed to crank it down.
> The gearbox has a worm gear and I believe I could temporarily take off the
> chain and turn the gear box sprocket by hand.  I would have to turn it until
> the cows come home but I think I could crank it down.  Am I correct about
> this ?  Have any of you had to crank down your motorized tower by hand ?
>
> Bob
> K6UJ
>
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