Don Fuller wrote:
> Have a question...
> My new jin-pole hardware and thrust bearing need 2-inch OD mast...I am
> having trouble finding 2-inch OD hardware for this.
Scaffolding companies carry 20 foot 2" O.D. aluminum scaffold tubing.
It has 1/4" thick walls plus two "ribs" inside for extra strength.
N5RP has two of them joined for a 40' boom for a three element 40 meter
beam and it has been up for years.
I have occasionally used them for gin poles.
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Administrative requests: towertalk-REQUEST@contesting.com