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I suggest you err on the side of looseness with the RA. at least you can rule out stiction then

Thanks Brian, The DEC was an odd adjustment this go around for some reason, even with the block pushed as far away as possible the worm seemed tighter than normal, but still rotated without much

These

Sorry to read that. I had the same experience in one G11 tucked motor system, and I gave up trying to get one of the gears off. I suggest you contact the factory for their guidance on this problem.

Michael, Looking at these set screws under high magnification, it does seem they are stripped internally and are no longer a perfect hex shape. I don't see a way to easily remove the gears without

Hi Nick Your DEC axis shows stiction, so it seems like you may have it too tight there? it also looks like your polar alignment may be quite a bit off since DEC continues to want to drift downwards

Update So I received the new gearboxes and installed on RA and Dec. I was hopeful since they seemed to have a little less play in them compared to the ones I've been using. I still can't shake this

Wow, I hadn't thought about the tooth count.? Duh! Thanks for pointing that out....? that may be the deciding factor. al

Worm gear diameter and tooth count, all things being equal, are the imost mportant items to consider in tracking and payload capacity. A balanced design is more important than outright mechanical

Al, One very important consideration for you should be the camera you are using or planning to use: the size of the pixels of your camera would limit the focal length of your telescope. For instance,

Thanks all for the info. Looks like I'll be calibrating. Amazon has the 0.9mm...ordered and on the way. Bob

Celestron has a polar scope alignment "how to" that will work with any polar scope. I like it because celestron breaks it down to simple steps with graphics.

When I first got my G11, the polar scope was not well-calibrated, and as a result, I was building a model to improve go-to accuracy. Once I calibrated the polar scope, I found I merely had to do a

Hi Michael thanks for your feedback For any future feedback on specific videos It would be great if you could start a new thread here, or better yet add your comments to the youtube video itself. I

Hi Bob, All these optical polar scopes have a moveable glass reticle (also spelled reticule) that is centered (you must do this centering optically) with 3 tiny setscrews. Sometimes the setscrews have

Dear Brian, Thank you for sharing these pre-released episodes with me. Your experience with video shows... the Jetsons theme music is cute. I watched one recently on balancing the scope load. On that

Just received my GM811G, assembly complete, went quite well. Installed and checked the polar scope alignment and it's a bit out of calibration to the mount. Question is for visual observing only, how

Great advice George.? Let me explain why I said in my first response that OnStep is a lot of work.? It does not have to be if you know what to build, like the kit that you sell.? I chose to go the

Sounds like one giant step backwards to me. -- SonnyE Sonny's Youtube Channel ( https://www.youtube.com/results?search_query=sonny+edmonds ) (I suggest viewed in full screen)

I'm a recovering attorney, Jim (19 years without lawyering), not an EE. My dad left Pratt after 2 years of ME and returned to the farm, so some of that rubbed off. I recommend Losmandy products quite