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David, What you need is the G11 Equatorial Manual pdf on this page. http://www.losmandy.com/support.html <http://www.losmandy.com/support.html> Paul

Has anyone got a scan of this? Thanks, David

Good to know, Michael. The brass worms may wear over time, as they are softer than the ring gears, but at least they won't be corroding as well:). My original RA brass worm seems to have an slight

Hello David, You have a pretty big telescope and you must be an astrophotographer considering the specifications. As Brendan said, after adding accessories, you are getting pretty heavy, and might be

Keith, I think the discussion was regarding time and latitude/longitude settings. These can be set from the driver. Custom site can also be selected from the driver. Either one can be set to update

Hola David, el g11g tiene una capacidad de 27 kg, pero debes tener en cuenta los extras como la cámara, el visor de guía, etc. http://www.losmandy.com/g-11.html Un Newtonion de 300 mm dará mucha

Hola, tengo un newton 300mm f/4 y queria preguntar si la G11G lo soportaria adecuadamente, pesa 24 kg el telescopio.

Hi Keith, I'm not an AP owner ... so my info on this subject comes 2nd hand. If you are in that forum you may have a better finger on the pulse of this riddle. My research on this topic showed some

Henk, The bearings are pretty inexpensive, about $10 (US). Since the 76 second error is related to the bearings, new will be best. Old bearings could have wear spots or may have been slightly warped

Note that as per the Gemini.net documentation, one can't configure site info in the driver: "Note: It is not possible to configure the preprogrammed sites via the driver; this must be done via the

Perhaps it's worth asking Roland in the AP forum as to from where his recommendation stems - surely he must have done some experimentation or has seen evidence of this? Keith

Nice work, gang! Henk has got a really good system to investigate. That is, he can clearly see the RA periods and therefore his experiments to reduce them are possible. When he finds a solution

There is actually another option, namely to stack every 10 seconds and use no PEC or autoguiding at all.? That way the errors will never exceed the errors in a 10 second interval.? The technology is

Thanks Ian, that's good to know.? I think the inner block was misaligned because I had to make the flex couplers of my stepper fit, and those have some stiffness while the motor and worm were not

I had an issue (post DST change?) where EKOS thought the mount was pointing a different location than it was.? Doing a cold start and ensuring the latitude, longitude and time were correct sorted it

Well, had it setup with new calibration using the guide scope. Guiding started, and. Drumroll..... The clouds rolled in. Boo hisss. I'll have to try when it clears up.

Hello Henk, the high precision worm should give a periodic error of about +/-5” so it all looks ok to me (and the period would be 239 seconds). I found misalignment of motor and worm could give

Hi John,? thanks for the advice and the pictures of your bearing fitting in Alan's thread.? I believe the explanation by John Goetz about the 76 second cycle. Just spring loading will not fix it

To make sure what the frequencies are I imported Ekos' .csv file of the 2nd plot into Scilab and ran an optimization over the sum of a linear and 2 sines (8 parameters altogether).? The outcome is?

Henk, Just saw your additional post made while I was typing. Seems like you may have two separate occurrences with overlapping periods. So a glitch with both bearings? Wondering if some additional