Why will no other turntable beat the EMT 927?

Peterayer, that is a very good question. Nobody so far has given Thuchan the answer I think to his question unless what has been written so far is the kind of response that Thuchan was expecting.
Thuchan only you can tell us if your question to this thread has been satisfactorily answered.
Raul seems to love specs. but if you look as his mm cartridge thread, some of the cartridges he loves so much do not hold a candle to present day cartridges. Now that speaks volume in my opinion.

Regards, DU:

http://audio-database.com/PIONEER-EXCLUSIVE/player/pl-70-e.html

Thanks for the insight & as always,

Peace,

The mechanical engineering principles and knowledge to build turntables have been around for more than a century. The difference is these guys in the 50s and 60s designed turntables with slide rules and look up tables instead of CAE/CAD processes. The moon rockets were designed with slide rules and look up tables too. Engineering capability and knowledge isn't the issue. Economics is the issue. These designers had economic motivation in the 50s and 60s to build these robust behemoth turntables. They had a market for them- maybe not big but many times bigger than the market for an ultimate turntable today. Tooling costs, even for the special motors was amortized over some volume production and/or the components carried over to other models as well to defray costs. Casting tooling and mold tools today would be cost prohibitive even to build a high dollar turntable. So machined parts become the only option which still will be extremly costly. So the knowledge may exist; but not the will- just like the moon rockets.

Thuchan, you started a very interesting thread.

I love my Lenco, but the common explanation for its excellence, and that of other idlers, i.e., "torque" cannot be the whole story. First, because altho the induction motors on the Garrard 301 and Lenco L75 may look massive, they are in fact very inefficient such that the torque is not as great as one might think, albeit it is greater than that of the motor of a typical weak motor/heavy platter belt drive. Further in the case of the Lenco, the torque delivered to the platter must be limited ultimately by the coefficient of friction between the skinny idler wheel and the underside of the platter. You could put a 500 hp motor in a Lenco, and that idler wheel would leave skid marks on the platter but could still only deliver as much torque to it as friction would allow. The tire on the idler has to be skinny to minimize "scrubbing"; it wants to roll in a straight line whilst propelling the platter in a circular path. Yet, that's one great turntable.