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Gday Houghy
Just found one plot of what we see.
The green is the internal "float" value that the scope uses when reversing.
Ie whilst in that region, the encoders move but the "axle" position doesnt change.
The blue plot is the raw encoder count.
You will see that when guiding, every now and then it gets too far off position and violently reverses. Even after the lash is fully accounted for, It then keeps going in the opposite direction for a while then swings back again, almost like it is getting confused as to where its really pointing when being guided.
Andrew
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