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They may not be as different as you think the RA, you can grab the counterweight shaft, and the movement is amplified. with the dec, there's nothing really to grab to move it or exaggerate the

Brian, yesi noticed this with the RA worm blocks. The DEC is tight, no movement at all as far as backlash. I just assumed that the RA should be the same.Deric Sent from my Galaxy Tab A

PS i should mention that when I first got my spring loaded worms, i did find that a bit surprising. You should also notice that the worm gear on RA moves up/down slightly as you move the ra axis

If you have spring-loaded worms, that isn't unusual, particularly if you are describing moving with the counterweight bar As I mentioned before, in use during tracking there's no RA backlash because

Brian, you can wiggle the RA about 1/4" back and forth.easely. Deric Sent from my Galaxy Tab A

Hi Deric how does this show up for you? RA only moves in one direction, so any backlash that you may have, you wouldn't see it during observation because it only ever moves in

Greg, I probably did not state my self very clear. I have a bit of play or backlash in my RA I wish would go away. The Losmandy heavy duty tripod is as solid as it comes. The Berlebach tripods are

Deric I have the Berlebach Planet. Mine has the double knobs on the legs to keep them tight. I keep my GM811 RA assembly on it all the time. It's easy to carry out to my pad to setup. I'm only doing

The Gemini was designed as a sub $1k stand-alone full goto computer kit. ?No one comes near this in price or features and reliability. Cheaper on a G11/G8 the cheapest performance mounts will full

Steve thanks for your detailed replies! I agree with what you said.? I would add though that the flex couplers are fairly stiff and pres the worm into the cog wheel.? If you tighten it in the

Not necessarily.? A mechanical system is dynamic (friction, flex, vibrations) and has a transfer function that determines its bandwidth.? If the stepper motor frequencies are beyond it, they will be

At 3pm pacific today (in about 15 minutes) I'm giving the microRouter presentation as part of their astronomy day remote learning sessions If you want to listen in, I hope to have a few more

Had the kit out last night. ?My goal was drift alignment practice and to see how it behaved with PHD2. ?Guiding wasn't bad, but there's definitely something going on in RA. ?I was able to adjust

When we had things come up in our electrical stuff in Wyoming, one of the guys blamed it on a square electron. Made perfect sense to me. LOL! I did try to Polar Align with the Gemini 2 Polar

Using my GM8 and the ZWO ASI533MC Pro https://flic.kr/p/2iWhvY7 Andy Weeks

I have this URL for when I finally put the pier in my back yard and need to align my mount: https://www.esrl.noaa.gov/gmd/grad/solcalc/ -Bob

I put the mount in the center of its range of azimuth adjustment, and then align the side of the mount toward Polaris if in twilight, or by compass if in daylight, adjusting the compass for local

I have to deal with this problem in my back yard.? I have no view of polaris, and using a compass always seems to be imprecise.? One technique I've seen "professional astronomers" use is a simple

Thanks for the info

Hi Tim, There are 3 versions ( https://gemini-2.com/pcb-pictures.php ) if the Gemini 1 and while they are a little long on the tooth they work fine. ?The best one to get is the last version with the