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Good to know!!

Magnus, Measuring the current is easy to do these days of digital ammeters...to tell if a gear is jammed or a motor is bad. I already use one for all my Gemini systems power input monitoring.

Hi folks Many of the readers of this group receive the posts by email. If you edit a post, the entire thing is emailed again, so if you edit a message twice, everyone who subscribes by email will

I guess it is Holy, not Wholy. Sorry, a Swede here. Magnus Den 2021-04-01 kl. 12:33, skrev Magnus Larsson:

"If only there was a way to test RA PE inside with some kind of (laser?) alignment procedure, or check if the micro amperage to the motor is changing in some measurable way :). " This must be the

Very clever way of polishing the worm block ID bore, John. I had not thought of using such a small wire wheel on a Dremel tool. I had talked myself into the theory that the anodized inside of the

Sorry, but can you please take a minute out of your busy day to link specifically to that article that you have "posted many times".? I did a search and only came up with things saying axial preload

Michael and all: With regard to honing done a surface, I found it was much easier to Dremel tool out the block with a wire wheel head than shave down the bearing. (Please see attached). I tried the

Chip & michael Does the bearing info you are posting apply to the new, tucked, spring loaded, gm8 & g11? Chuck

Separate processor for motor control work makes sense for high-precision.? Especially if the main ARM processor isn't running a real-time operating system (and even there it is hard to bound jitter

Sorry but AFAIK there is no official comment or opinion on the source of the 76 second spikes from Losmandy. But the cause it well known and commonly resolved by the use of a light preload axially on

Ok. Good conversation. Paul and John make good points in summary. Let's go a little further. All mechanical objects have a dimensional tolerance. See attached PDF. If you look at the dimensions of the

that's a reasonably good one. is it possible you can try a different power supply? i had a Pyramid bench power with similar specs just go out on me, surprisingly because it was less than one year old

the steps outlined sum it up hehe well, to each his own. We have sent text descriptions, but many people requested a diagram. -- Brian Brian Valente portfolio brianvalentephotography.com

while Gemini is turned off. i agree with Paul, but want to point out two additions: 1. You will want to do a goto, center and SYNC as the first step to re-oriented your model 2. Warm re/start is only

John please contact us techsupport at losmandy dot com for support requests, we ask that people open a case so we can track and report on it -- Brian Brian Valente portfolio

I believe another more likely explanation is that the balls are intentionally slightly undersized for the races to prevent binding. Under this condition, unless the bearing has some preload AND the

Warm Start is the best way to go after rotating either axis by hand, while Gemini is turned off (or even when it's on, as long as you pushed the axis by hand). Regards, -Paul

“Warm Start can be used if RA or DEC were rotated by hand while Gemini was turned off (for example, to balance a scope), but nothing else has changed. Requires mount to start in CWD position. One

No, I’m not referring to the ARM main processer, I am referring to a separate processor that does all the motor control work including the decode of the signals from the motor encoders, and that is