[TowerTalk] Calculating Forces for Tilting tower

[Dave Tipton]

If I understand what you are saying, roughly (40x4)+(4x50) = 360 lbs

That is actually less than I anticipated.

Your concern about the wall, is however a shared one.  Thinking an internal guy running along a roof truss might be in order.

Dave

Sent from my iPhone

> On May 29, 2019, at 8:55 AM, n8de at thepoint.net wrote:
> 
> The tower will have its mass concentrated at the 20' level, and the 50 lbs 'at the top' will have its mass concentrated at the 40'+ level.
> if the 'hinge' is at ground level and your winch is at the 10' level, the total force of those two loads will be:
> 2x the tower load PLUS
> 4x the 'top' load.
> that's quite a bit for the position of the winch .. AND .. if the winch is connected to the garage, it just might pull the garage wall down.
> 73
> Don
> N8DE
> 
> Quoting Dave Tipton <dave at w5dmt.com>:
> 
>> I have a 40 foot Rohn 25, with a tilt base section.   It will be  sitting next to a detached framed (not block) garage with siding.
>> 
>> I can attach a winch to an extra guy bracket I have at the ten foot level.
>> 
>> There will be roughly 50 lbs at the top of the tower.  (Rotator, Hex  Beam, GP3)
>> 
>> How much is the maximum force required to raise this from a cable at  the 10 foot level?
>> 
>> Thanks,
>> Dave, W5DMT
>> 
>> Sent from my iPhone
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