Hello Cytan I wouldn't bother putting anything on the threads. If you are worried about the CW shaft getting stuck to the adaptor, use some anti seize compound and put it on the shoulder of the shaft

Eric I would bet that there is still something stuck in one of the teeth of that gear. It could be a piece of dried grease. Don Sent from Yahoo Mail for iPad

Beautiful image with amazing detail Jian! Don Anderson

Jeff AP sells them. Also, you can make one out of a thin kitchen cutting board. Don Anderson

Thanks Rolando! I'll try that with my Tele Vue NP127is using the .8X reducer (528mm f/l). I can use your procedure to fine tune the calibration on my RAPAS. Don Anderson

And what is that? Don Anderson

John Just use a hack saw. Nothing special needed. Don Anderson

John I have the large counter weight shaft for my AP900GOTO. I made a carrier out of ABS pipe and fittings to transport mine. See the link below to my Flickr page. Hope you find it useful. Don Anderso

Again, I wouldn't worry about it Mike. From your description, it looks like you did a fine job. Good for 2-3 years depending on usage and environmental conditions. Don Anderson

Mike Dale provided a good explanation to your questions. I would add though that the different sounds you hear running the mount in the reverse direction is the result of the gears pulling on the back

Sabino Attached is a link to a Utube video on the regreasing of a 1200 mount that I sent to Linton. Hope you find it useful as well. (2) AP1200GTO Regrease Project - YouTube AP1200GTO Regrease Project

Linton below is a link to a good UTube video on regreasing an AP mount. (2) AP1200GTO Regrease Project - YouTube AP1200GTO Regrease Project Don Anderson

If the price difference is not large, one may as well go for the 1500# column. As they say, how big is big enough! Don Anderson

I don't believe USNO B1.0 is even available for download from USNO anymore. One may be able to get it somewhere else. In any case, if one is looking for super accurate plate solves, the latest and gre

USNO-B1.0 has been taken off line by USNO. The only way to use B 1.0 is if you have a local version on you computer. Don Anderson

Yes. Don't want to pass the event horizon! Don Anderson

Hi Joe One of our local guys used the Pier Tech version in Calgary here in a Tele Station 3 for a few years then moved it to Toronto area. I don't believe he had any problems. You are right though it

Thanks for the info Jack. I would be lifting an AP900 with a 5" refractor and associated guide and finder scopes, cameras and controllers. All told about 90 lb. I may at some point get a 10" or 12" CD

it's called anticipation general relativity Don Anderson

About a year ago the topic of changing clutch plugs came up. I have an AP900GOTO CP3 2008 model so I asked George about whether one should change the plugs on spec. He said if they are working fine ne