[TowerTalk] mast recommendation

[K7LXC@aol.com (K7LXC@aol.com)]

In a message dated 8/4/03 6:01:26 PM Pacific Daylight Time, kb7fci@cdsnet.net 
writes:

>     Why don't you use aluminum tubing as most hams do. If your aluminum
>  dealer does not carry it check on irrigation pipe from a farm supply 
dealer.

    Depends on the application. 6061-T6 aluminum only has 35,000 psi yield 
strength - too little for many applications but okay for smaller ones; i.e. 
vhf/uhf stuff.

    Aggressive HF antennas on a mast would need 65,000 psi yield and higher. 

Cheers,
Steve    K7LXC