Stephen L. Sala K7AWB wrote:
> I had a 24 foot steel mast that I bought over 30 years ago for the "big
> project" someday. I had lost any certs with it and it had rusted on the
> surfaces being in the barn for that period of time. It was 2 inch OD and
> 3/16" wall thickness so I figure I would use it to put a 7 element, 6- meter
> M2 antenna above a 6-element Force 12 20 meter beam on Rohn 45. I decided to
> get it galvanized. The company asked me for permission to drill two holes in
> the ends so they could suspend the item in a tank. I said alright as I
> figure they knew best how to handle the shape. When I got it home, the
> finish was pretty, but the mast was warped slightly. I suspect that when
> they suspended it on the ends into the tank, the heat changed the temper and
> curved it slightly in the center. No longer will it roll easily on the barn
> floor since it is not straight anymore. I decided not to pursue the matter
> of having it 180 degree opposite re-suspended and re-galvanized due to the
> cost and havi
ng
> no way to expect good results. Instead, I keep it around for a horizontal
> support someday for some future project. hihi
>
Get a hydraulic jack, hook the pipe ends to brackets rigidly mounted to
*something* like a concrete floor. It might not come out straight as a
rifle barrel but you should easily be able to get it straight enough to
roll across the floor again.
73
Roger (K8RI)
> Stephen L. Sala
> K7AWB
> Nine Mile Falls, WA
> DN17es
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