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Regarding whether the N1500 motors were synchronous, my understanding is that they are, and that a clutch mechanism following my magnetic braking gives the speed control. If agreed, I will re-instate the synchronous word. Colin99 (talk) 22:23, 2 March 2008 (UTC)
- Nope. They were standard shaded pole induction motors. They had a large aluminium disk on the underside with a magnetic eddy current brake. That's what I recall, having worked on them and that's what the N1500 service manual shows (still in my possession). 20.133.0.13 (talk) 14:42, 21 September 2009 (UTC)