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Old 05-10-2012, 08:44 PM
Qwerty27807 Qwerty27807 is offline
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How much resistance does the machine have when turning by hand?

My SQ5000 motor will creep along at a stitch per minute without stalling. However, my Adler can coast through a full stitch (or even two) if the belt is removed and I "fling" the very heavy flywheel.

What is the ratio between your two pulleys? (Calculate it .)

If it still bothers you after you turn up the speed a bit, you could eventually buy a smaller pulley for the motor. This would sacrifice absolute top-end speed (which most people don't need) for more low-speed torque (which everyone likes).
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