[TowerTalk] 3" Boom Joints

[Rick Karlquist]

Dan wrote:
> Andre: I had the problem of repairing a 57 foot 3" boom which had
> buckled. I removed the damaged section. I measured the ID of the
> undamaged tube and went to our local aluminum supplier. They had an
> aluminum pipe(not tube) which was just right to slip inside the boom. I

So called "2 1/2 inch" pipe has an OD of 2.875 inches.  This will
slip inside a piece of 3 inch irrigation tubing with a wall of 0.050 inch.
If the wall is thicker, you can always turn down the pipe on
a lathe.

Rick N6RK