RE. 4130 MAST

[W6MR@pacbell.net]

N7QQ IS THE FIRST PERSON I HAVE HEARD OF HAVING A FAILURE WITH A 4130
X .250 24' MAST. THIS HAPPENED JUST LAST WEEK IN HEAVY SO.CA. WINDS.
HE HAD 4ELE. KLM 40 MTR. BEAM AND AN KT34XA. I AM DOING AN INSURANCE 
QUOTE FOR HIM.

AT MY HOME QTH I HAVE A 4130 X .250 MAST 28' LONG. TOP DOWN, KT34XA,
7 ELE KLM 6 MTR BEAM,CUSH-CRAFT 3 ELE WARC 10-18-24, KLM2 ELE 40 METER 
BEAM. I BRING MY 89' US TOWER DOWN IN ANY WIND AND HAVE 2 TAG LINES
I TIE OFF, THIS TAKES ALL THE WIP OUT OF THE MAST. THE WINDS ON THE METER 
HAVE BEEN AS HIGH AS 90MPH.

MY MOUNTAIN TOP LOCATION IS GETTING 5 89' HEAVY DUTY US TOWERS WITH 3"
4130 X .250 OR .375 WALL 10' LONG.

I FEEL IF YOU GO OVER 10' .250 WALL IS TOO THIN. MY MAST SHOULD HAVE
BEEN .375. BUT WHEN IT WAS FOR FREE YOU USE IT...
			73, JOE W6MR EX KF6OG FIRST LICENSED 1959
			J & J ANTENNA SERVICE
				SINCE 1980

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