Assembly instructions for kit #14
11
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Slow speed:
or
Maximum speed (may be even faster than without speed control knob):
or
Speed control magnet counteracts with the magnets on the rotor (that is why it is important
to have the same pole to face a reed switch). It changes the gap between the reed switch
contacts.
The phenomenon of increasing the speed is based on making the gap smaller allowing the
reed switch to work faster.
Warning! The motor may also stop when the speed control knob is in this position:
