Hi,
while browsing the Pyra-Wiki, I've come across the nub tech-paper:
2 Key features:
direct knob force feedback
5.1 Mechanical Specs:
Vibration: 10-500-10Hz 15 minutes, 12 cycles, 3 axes (total 36 cycles)
Sounds awesome to have the integrated vibration of the pyra and pure Nub based force...