EMT 927 vs. Micro Seiki 5000 or 8000 - different?

My belt & thread driven units (from two sides each) are controlled very precisely by VPI SDS steering control in conjunction with fly wheels. The R 80 motor is controlled by Dusch Multiconverter thus replacing the felt brake. You see I regard drives & speed control as very important for good analog sound.

best & fun only - Thuchan

My 'common sense'(aka 'not scientific') hyphothesis is:
how can a mouse (stylus) hinder an elephant (platter) in
his movement?

Regards,

Dear Nandric, the stylus drag is a (if small in "value") constant "brake". This loss of speed has to be taken into account. Devices like the Sutherland stroboscope do verify the existence of stylus drag. Simple cure: adjust speed WITH the stylus on the record (i.e. while stylus drag occurs).
Cheers,
D.

Nicola - as long as the elephant doesn't see the mouse - otherwise you will have big big problems.

All manufacturers of belt drives I have owned and a current TNT with SDS - recommend checking of platter speed with stylus in the groove.

Cheers Chris

Dear Chris, I thought about the 'tank' instead of the elephant because I already anticipated such comment. But in literary sense this made no sense to me. But I was not able to find some military equivalent for the mouse.
This is the usual problem with methaphoric expressions because nobody can resist the chance to tease. However I deed mentioned that my speed check was with the stylus in the groove. I also asked for the data of the forces involved but this is somehow overlooked...