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Due to work and travel, I only got back to debugging this recently.? I sent in my new ServoCAT unit to Bill and he ended up having to replace the mainboard (he did this under warranty, which I really

The description is how to use the system and how to change the settings for optimal use. It is not a detailed technical description.

I agree. This should be given in the description. That there is not only a gearbox backlash, but also an uncontrolled cable backlash.

Its not a perfect system! It is afterall a retrofittable kit on an EXISTING telescope! Yes it can vary. If you want to always optimize you can figure out what counterweight is needed for each

And one more thing. You can load the telescope with a heavy eyepiece with paracorr ~1.5 kg, or with a light plossl. The backlash will be different.

This is easy to check. Put rubber pucks as feet on a balanced large telescope. And it will react differently depending on the height.

Actually the ServoCAT instructions do say to balance the ALT axis. If this is done the force is basically the same.

Here we have another conclusion. The weight that the telescope lifts from the horizon will be greater than when it is near the zenith. Therefore, the play in the cable will be different, and it cannot

Ok. i.e. you want to say that if I hook the cable to a rigid tensioning mechanism (for example on screws) there will be no backlash? I can check this, it is easier to do than rubber rollers under Alt

Youngs Modulus changes by 5% from -10°C to +25.... more than likely there were other things that were changing due to temperature. g.

And we're talking about almost zero backlsash. Otherwise, there's no point in investing in harmonic gearboxes. All the best to everyone. I'm going away for a long time due to a complete redesign of

No, it does not work without a spring. Tested at different temperatures. At low temperatures, additional spring tension is needed.

Hello.... would you mind please passing along the name? Thanks. So - indeed the spring will introduce some backlash. Ideally, if it is the proper spring tension (extension), it will be minimal but

Go for it, gentlemen.

Yes. The ServoCAT can handle up to 16V without a problem. Gary Myers

Thanks Frederic. I don’t use NINA and instead use sharpcap for EAA so wonder if it is detected by sharpcap via ASCOM device hub. Mike

And one more thing. It works perfectly on Az, and you understand that the result was worth such a big investment of time. As for money, in China the prices are relatively reasonable. For two gearboxes

Alas, you have to think with your own head, and not rely on the manual. The main source of backlash on Alt is a cable on a spring. Therefore, such a design in principle cannot be made without play.

Hi Mike, everything is standard: the wanderer software as well as the USB driver (you need both). Once installed and configured the first time (wanderer empire and usb driver with com port) NINA

Thanks Frederic. I looked at the Wanderer last year when it was still pretty new and I remember someone on cloudy nights indicating that the ASCOM drivers were not working correctly. Are you using