we were talking about tilting up 25g/45g and I mentioned the wind turbine guys.
I was just surfing around and found a company that actually sells ginpole kits
for
tilting up 25g and 45g (this is not the ginpole we normally talk about for
lifting
sections)
there spec sheet shows their setup
http://www.absak.com/pdf/gin_pole_spec.pdf
looking here, they purport to have kits for up to 80ft 25g
http://www.absak.com/catalog/index.php/cPath/32_54_168_102
They have 45g kits here, again going to 80ft
http://www.absak.com/catalog/index.php/cPath/32_54_168_103
they use a fixed (guyed) schedule 80 1.5" pipe for the gin pole, as opposed to
falling derrick.
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