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Leon,
It felt plenty tight to me - and pushing the end a few times didn't move the scopes much at all (say originally pushing the end flexed things maybe a mm or less). That's applying say enough force to lift say 3-4 kgs - I put a bit more force on it - say enough to lift 6-8 kgs and suddenly things shifted a few inches.
The clutches were both on - but I didn't realise the DEC could go on a whole lot farther on without causing too much stress on the gear. It was like there was a sticking point on the DEC clutch - where everything went on tight - but push just a tad harder and then suddenly the clutch turned easier and tightened a whole lot more with the same base tighening force.
About two weeks ago when I did a 80 star run - the pointing errors followed a kind of H pattern - with most of the error in DEC. I figured if its not DEC backlash its most likely the DEC clutch - which seemed plenty tight.
So as I said - now I'm smiling - just wish I found all the stuff I've learned a few years earlier! At least now I'm a stickler for checking everything is very firmly engaged.
Matt
PS
I'd be very interest to know what folk are achieving in terms of pointing accuracy for permanent rigs. I ponder if I set backlash compensation in the ASCOM driver settings - so I always approach a target from the same direction in the final degree or two of movement - whether I will see these settings improve significantly again...
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