[TowerTalk] Mast wall thickness

[Donnie Murray (KE4RNA)]

What is the recommended wall thickness for 2" chrome-moly tubing used 
for a mast? I will have 5' inside the tower with a thrust bearing at 
the top. Two feet above that will be an antenna with 18 sq ft wind 
loading. Ten feet above above the bearing will be an antenna with 1.8 
sg ft wind loading. Thanks
73/DX,
DONNIE, KE4RNA

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