Quote:
Originally Posted by 0tt0maddox
The only problem is I had so much trouble cetring the image. It would slip too far one way, then too far the next.
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If you are overshooting, does you DOB feel sticky, If so loosen the tension a bit, If it feels too smooth and easily overshoots then loosen it, once you have found the equilibrium then it will work well for you.
I found the Teflon bearings have an initial stickiness (not a lot) to them so once you got the right image then the drift required more adjustment, this is when it become a bit harder the force needed to overcome the initial movement was more than once it was started so you would overshoot. I personally replaced these bearing with roller bearing (not advisable now) and now it is really easy. Unfortunately it is now too easy and moves much too easily. Once I get back to using the DOB again I suspect I will investigate a way of creating a tiny bit more friction to stop overshooting. The other problem with roller bearings on the ALT is when you look at low altitude fields it DOB want to continue downwards.