[TowerTalk] TowerTalk Digest, Vol 99, Issue 9

[K7LXC at aol.com]

In a message dated 3/4/2011 12:01:30 P.M. Pacific Standard Time,  
towertalk-request at contesting.com writes:

>  I am presently using four of the 2800s, ground-mounted  to turn rotating
towers. I'm having some problems getting the orion clamps  to stay 'tight' 
on the
sprocket shafts (2" solid steel  shafts).

>  I would appreciate hearing from anyone who has  actually made the change 
from
orion to champion shafts. Don't need  theories....need real, live 
experiences.


    My real life experience has been installing  several dozen of the 
Orions over the years. Over time, virtually 100% of them  loosened up. There are 
2 fatal problems: first, the actual contact area  of the teeth on the 
factory mast clamp adds up to less than 1/2 square inch of  surface area. The 
second problem is that the fastener contact area is dimpled  - over time, the 
dimples get pounded down and the nuts loosen. 
 
    The Champion Radio Products solves both of these  problems. One of them 
will never loosen up. If the Orion clamp worked as it  should, there 
wouldn't be a need for an alternative,  improved clamp.
 
Cheers,
Steve    K7LXC
Champion Radio Products
Cell: 206-890-4188