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Apologies for the delay, I've been working extensively on the mount for the past few days. I stripped down everything, re-sanded and polished the ring gears and worm gear. Resat the gear housing and cleaned the ball bearings. The mount now (finally) is running very smooth and the go-to accuracy is spot on.
However it is now having problems guiding. What i've found is that there is quite a lot of play in the gear housing on the motor. At guiding speeds, the motor has to be engaged for about 2 seconds before the gears will turn. Is this normal? How can it be corrected in the phd guide settings? as the star is not moving at all yet I can here the motor's engaging with each pulse.
Secondly, after a pretty unanimous discussion i've decided i'll upgrade to the G11 mount, it's a little heavier but much more versatile and stable. However if I can get the mount guiding nicely i'll hold off on the G11 for the time being and spend some of the extra cash on a moonlite focuser.
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