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Looking closely at your pic it looks like some sort of black covered cable is barely running under the corner of the spring loaded plate. Yes, it can still snap down like you say but is it really down

Just place it on the inside of the opposite altitude bearing. This will give the same direction of rotation. Joel M. Moskowitz, M.D. 21 (total)solar eclipses and counting 2 Venus transits 1 Mercury

Hello Rapha?l, I hope everything is going well for you.Yes, of course, you can mount it upside down; just declare it in the software.?Remember, though, to provide solid protection for the

Dear all, On the big dob below, there are huge altitude bearings. The mirror box is located at a higher position than usual and so there is space of the other side of the motor. In this case, my

Give that a try... if it still cuts out check out the other potential causes in that list I sent. The current draw during acceleration can be as high as 3.5 - 5A depending on the size of the scope and

Hi Gary, I tightened down by a couple of mm only the central screw and enclose a new photo of the plate and screws.? It behaves ok, i.e., I can raise the plate by holding both ends and it then snaps

Hi Rajeev, Check your junk folder. I think my emails to you might be landing there. I emailed details to you on how to ship your Argo Navis for inspection on 16 May 2025. I forwarded that email again

Mike, That center screw definitely looks like its not in far enough. I'd screw it down another 3/32" (0.1") or so. You should still be able to lift up the plate and if you do so evenly at both ends

Hi, thanks everyone for your fast reaction and insightful suggestions. I have taken a look at the cantilevered plate (is this the same as the contact plate referred to later in your message Gary?). I

Mike, I was having a similar problem where I would lose power in azimuth – whether during a manual slew or in a motor-driven one. I cleaned and adjusted all of the various parts of the PGB where

Hello Mike. Ok... so its not common but it does happen at times. What Steve said would apply if indeed you are drawing a decent amount of current and the line cord were smaller than 18 ga (or very

HI Mike, We had a similar problem of losing power during a slew. It was determined that the power source / power brick was too far away from the scope because of a long cord. When we removed the long

Hi, a couple of times recently when the scope is being moved along its axes, either manually with the motor / clutches disengaged? (e.g. during 2-star alignment) or even during execution of a GOTO

You have problems with the power supply and probably with the electrical network. Use only batteries.

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.