A very good Idea. The next time I move, I will change the U-bolts.
My ham-M also has two 10-32 holes tapped in it for set screws. After
the mast is in place and the U-bolts snugged up, the set screws are put
in and tinghtened enough to bite into the mast. I use long set screws
and put jams nuts on the outside to keep them from backing out......It
has never slipped...
Paul
KA6VAN
-----------------------------Reply
Separator---------------------------------
> How many of you guys out there have broken the 1/4 ss U bolts on a Ham
> series
> rotor.? Most of you I bet. What about the mast turning in the clamp ?
> after
> every wind storm I have a gob repositioning 5 or 6 yagi ants...
> While prepairing the side mount for two 20mtr beams I was looking at
> the Ham
> series top and lower optional mast mt.. diging through my U bolt box I
> came
> up with some 5/16 U bolts long enough to pass through the aluimimum
> housing
> and go through the mast plate on the other side. ( ,this is the tricky
> part
> as most 5/16 U bolts were two short). I have never seen a HINT or
> KINKs re:
> " install 5/16 U bolts for better bite on you Ham series rotor " ????
> the TX2
> has 5/16 bolts standard. Well I took the chance. and drilled out both
> top and
> bottom mast clamps to accept the heavyer U bolts..
> We put up the two side mts this afternoon and hope to mt ant's next
> weekend...
> upon installing the rotors on the lower side mtg tube and the 6ft top
> swinging gate
> in the top We set a record NO BROKEN 1/4 in. u bolts. seems mybe I
> 'll
> won't have to call the freindly Gal's at Hy-gain as often.!!!
> 73' Wayne
> KY3N
> unless I am lotto lucky
>
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