[TowerTalk] M2 2800 question

[Greg - AB7R]

The Champion mast clamp is massive and probably a great solution to the OEM clamp.

But take care of a couple things.

1.  Be carefull when tightening the nuts on the U-bolts.  A friend of mine was 
helping with an installation and it did not take much to snap one off.

2.  I purchased this clamp to replace the OEM version last year but have not 
installed it yet.  I "thought" the antenna had spun in the original clamp but it 
was actually something that got out of calibration instead.  I recalibrated and the 
antenna had not actually moved at all.  But the reason I had not yet installed the 
replacement clamp was for two reasons.  1.  the bottom was not flat.  On a flat 
surface it rocks back and forth.  When installed and things are tightened down this 
may or may not be a problem.  But it just does not seem right.  The other thing is 
that the holes for the bottom bolts are very close to where other parts are 
welded.  You actually have to use a cutting wheel and cut the side of the nut so 
that it fits correctly.


-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Mon Aug 25  9:51 , K7LXC at aol.com sent:

> 
>In a message dated 8/24/2008 9:02:02 P.M. Pacific Daylight Time,  
>towertalk-request at contesting.com writes:
>
>>  I'm getting ready to install my new M2 2800 rotor. I ordered  one of 
>Champion Radios mast clamp for the rotor. I'm wondering if I should  put the 
>little  "centerer" peice that M2 sends with the rotor. I  thought I read 
>somewhere that it also keeps that bolt from backing out. Is  this true?
> 
>    Umm, my first thought would be to contact  Champion Radio Products. I'm 
>sure what they'll tell you is to leave the small  bolt and bushing in the top 
>of the turntable and that the Champion clamp has a  hole in the middle to 
>accommodate it. You don't need the centering pyramid;  the clamp will self-center 
a 
>2" mast. 
> 
>    With the bolt not installed, I found that water  stands in the turntable 
>hole indicating to me that there's a bottom to the  hole so no harm if it 
>isn't installed. 
> 
>Cheers,
>Steve    K7LXC
>TOWER TECH
>and 
>Champion Radio Products
>_www.championradio.com_ (http://www.championradio.com) 
>Cell: 206-890-4188
>
>
>
> 
>
>
>
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