[TowerTalk] How to Analyze Strength of Gin Pole (for Tilt-Up Tower)

[Dave Hachadorian]

----- Original Message ----- 
From: "Terry G. Glagowski / W1TR" <W1TR at SBCglobal.net>
To: <towertalk at contesting.com>
Sent: Saturday, November 03, 2007 3:39 PM
Subject: [TowerTalk] How to Analyze Strength of Gin Pole 
(for Tilt-Up Tower)


> How do I analyze the strength of a Gin Pole, not the kind 
> for lifting
> tower sections, but the kind used to raise a crank-up 
> tower from
> horizontal to vertical?
>
> I am proposing using 10 ft of 5 inch schedule 40 pipe 
> attached (welded)
> to a plate bolted to the concrete base for a HG52SS 
> crank-up tower
> (about 500 lbs)
>
> I am assuming a 1000 lb lateral force at the top of this 
> Gin Pole, and
> want to know how to calculate from a strength of materials 
> point of view
> whether it will be strong enough, and even what its 
> strength would be
> (maximum force that could be applied without 
> deformation)...

This mast calculator should do the job for you:
http://www.math.niu.edu/KARC/mast/

Dave Hachadorian, K6LL
Yuma, AZ























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