360 degrees, 0 backlash, digitally controlled, universal rotary joint powered by hydraulics, passing hydro and digital bus through itself, to other instances.
Serves as a base building block for endohydraulic robots.

  • Rotary Union to pass hydro and bus, serve as load bearing , possibly
  • Hydraulic Motor
  • No backlash transfer through cables and bearings
  • Optical Encoder