Put the main windings in series instead of in parallel for 240. The motor starts in repulsion with induced rotor current flowing through the brushes and commutator. At transition speed. Centrifical force lifts the brushes off the commutator and drops the shorting ring onto the commutator. The motor now runs as an "ordinary" induction motor. The motor start direction is changed by sliding the brush holders. Starting torque is extreme and inrush current modest. Sometimes to prevent twisting parts off or slipping belts. The brush holders are backed off from the max torque position(s) a wee bit. An excellent motor other than the extra moving parts and less energy efficient than the newest motors.
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Today's Featured Article - Talk of the Town: Trailerin a Tractor, Chains or Straps? - by Staff. Another great discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: " I bought a trailer and plan to take my CASE VAS to some shows. I don't yet have anything to secure it to the trailer. So which is better to buy and use; the ratchet-type straps or binders and binder chains?
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