[amsat-bb] Counterbalance weight on antenna rotator?

[Bob Hammond]

Hasan, front to back on the EL so as to reduce the load on the motor and
gears.

thanks,

Bob

On Fri, Oct 4, 2019 at 8:16 AM Hasan al-Basri <hbasri.schiers6 at gmail.com>
wrote:

> Bob,
> Are you talking Front to Back (EL) or Side to Side ?
>
> When I had clearance issues I had to mount my 2m yagi forward of its
> natural balance point.  I hose clamped a steel bar on top and parallel to
> the boom to rebalance the load of the yagi on the rotor. It worked fine. I
> also used tape protected tie-wraps as a secondary safety net, so the iron
> bar didn't fall on someone's head!
>
> I did not have any side to side balance issues across the rotor. (The 70cm
> on one side and the 2m on the other, but if I would have, I would have used
> the same trick: Steel bar on the lighter side of the boom, to balance the
> load across the rotor.)
>
> Cheap, easy, dirty. But be sure to make that steel bar counterweight mount
> to the antenna boom or cross-boom VERY secure.
>
> 73, N0AN
>
>
> Hasan
>
>
> On Fri, Oct 4, 2019 at 9:58 AM Bob Hammond via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
>> Do a lot of you, or all, use a counterbalance weight on your elevation
>> rotor?  If so, how did you implement it?
>>
>> I have 3 antennas (2M, 70cm, 23cm) on my cross boom and want to reduce the
>> load on the Yaesu rotor so it lasts longer.
>>
>> 73s,
>>
>> Bob
>> W7OTJ
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>