Any possibility that a flexible coupling of sone sort would solve the problem?
Stan, K5GO
Sent from my iPhone
> On Nov 14, 2022, at 1:21 PM, Grant Saviers <grants2@pacbell.net> wrote:
>
> I should add that the brake isn't needed for start-stop braking, the RT21
> does than well. It is intended to prevent wind driven oscillations when not
> being turned.
>
>> On 11/14/2022 10:24, Charles Morrison wrote:
>> IDEA: Auto/truck disc brake, but instead of hydraulic, make it electric....
>> ramp it closed in parallel to the rotor ramping down.
>> On Mon, Nov 14, 2022 at 1:18 PM Grant Saviers <grants2@pacbell.net
>> <mailto:grants2@pacbell.net>> wrote:
>> My 80m 2L beam is destroying rotators (sm PP and Orion 2800). So far no
>> problems with the beam.
>> What is happening is any backlash in the gear train leads to rotational
>> oscillations from the turbulent high wind at my QTH plateau/ridge and
>> results breaking gear teeth off. The 375# antenna and 100ft elements
>> provide the momentum/jerk at the stop of movement.
>> So am looking for designs of a secondary brake I can fit inside Rohn 65
>> and retrofits to a 3" mast without taking the antenna down and mast out
>> (big crane work).
>> Any experiences, products, ideas, designs welcome. My shop is pretty
>> much able to make anything in metal.
>> Grant KZ1W
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