[CQ-Contest] Swing arm assembly???????
ky5rtim at gmail.com
Wed Feb 10 19:17:27 PST 2010
Bill TNX fer the insight and experience. Very much appreciated as all the
comment, info and
pointers have been from the cq-contest reflector. I now have enough insight
do the right thing........
GE is TNX for all the input from all who responded,
On Wed, Feb 10, 2010 at 6:43 PM, Bill Tippett <btippett at alum.mit.edu> wrote:
> > Try this
> After a
> little thought I reverse-engineered the design and had a neighbor who
> does race-car fabrication make one up for me - much cheaper. He used a
> piece of a plastic cutting board for the top bearing - still going
> strong after 6-7 years.
> Mine have no bearing at the top...just a sleeve which the top of
> the rotating mast fits into. It's not that critical just so you don't
> have a huge amount of play at the top. These have been up 10 years
> with no problems:
> 73, Bill W4ZV
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