I get the spinning to get it started part. I have a couple of decks that will tear themselves apart with torque if i don't get the platter spinning, if the motor is running when I disengage, and then reengage with a stopped platter. They're a bit like a clutch/manual tranny system; if you don't get the clutch right (getting the platter spinning first), you get a nasty jump.
rambling,… I ask because I truly don't know, Nick. Thanks.