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The Natural Philosopher[_2_] The Natural Philosopher[_2_] is offline
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Default Motor start capacitor - value ?

robert wrote:
Have acquired an old pedestal drill with a
British Houston Thompson single phase 1/4hp motor
marked KF TD3205 type BS 2408

The motor start capacitor needs replacing but it has no visible markings
on it due to several paint coatings !

With capacitor removed the motor will run with a hand start and I can
hear what I assume is a centrifugal switch clicking on spin up and spin
down.

Any advice on what size capacitor to buy and try ?



IIRC about 2.2uF 450V DC or 250v AC is the approved sort of size. For
a sport of one horsepower motor thing.