[TowerTalk] Rotator Choice for Larger Yagi

[Jerry Gardner]

Interesting, Not being a "car guy" I've never heard of flex discs. Do you
have any more info, perhaps a few links to websites describing them and how
they can be used as part of an antenna/rotator system?

73,
Jerry

On Tue, May 3, 2016 at 6:48 PM, Bob K6UJ <k6uj at pacbell.net> wrote:

>
> Someone here on Tower Talk in the past mentioned adapting an automotive
> drive shaft
> flex disc in the mast right above the rotor.  Said he had zero rotor
> issues after installing.
> As you probably already know the flex disc coupling consists of two mating
> flanges attached to a shaft with the flex disc sandwiched in between.  The
> flex disc is a synthetic rubber compound.   The automotive flex discs are
> designed to absorb the torsional shock from hard acceleration and
> deceleration.   They are well suited to our application and will handle our
> torque loads easily.  I will be installing my new OR2800 this summer and
> plan to
> install an automotive flex disc coupling above the rotor.  Not that
> difficult to do and I would rather replace the rubber disc periodically
> when it shows signs of deterioration rather than repair/replace the rotor.
> Much cheaper
> too  :-)
>
>
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