Source of magnet wheels for actuator?

aceb

Specialist Contributor
My Satellite Setup
TBS 6925
1.8m Precision + PLL Bullseye, motorised but probably siezed now.
2 x Sky Zone 2 for 28/19/13°E
My Location
Sussex
As above, does anyone know where to buy them?

I've got a Superjack QARL3636 on my 1.8 and I've noticed when it pulses there's one long then one short movement. My assumption is the wheel has offset magnets in it rather than evenly spaced so in theory by replacing the wheel with equidistant magnets to give a short, short pulse sequence I should double the resolution. Not so critical on C band but useful when I swap the feed to Ku.

I've tried all the usual places but turned up zero results, only other solution would be to find a dead actuator, must be a few of those about somewhere!
 
Have you tried reversing the wheel on the shaft ?

Additionally resiting the reed switch (turning it round in the clamp or even reversing it) makes a difference to the pulses received at the drive counting kit..
 
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