[vbezhenar]

It won't work. Plates will get wet, but you can't tear off that water without spending lot of work. That would be perpetual motion machine if you could make it work.

[margalabargala]

The pump in question spun the platters with an electric motor. It's an interesting mechanism for a pump, not a power-free one.

[kragen]

it's also unrelated to surface tension; the tesla turbine, as this mechanism is called, was originally designed for gases