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  • Simplifies care maintenance saving labor
  • Uses maintenance-free motor bearings, reduction gear, and couplings
  • Uses small-diameter wheels, a short wheelbase, and steering mechanism
  • Use fully electric brakes for stopping
  • Reduces maintenance on brake blocks significantly
  • Reduces tunnel cross sections by lowering car floor

Diagram of Relationship between linear motor and bogie

Diagram of Development of flat linear motor

Example of round shield tunnel
Left : Diagram of Diameter 5.8m for a conventional subway car, Right : 4.0 to 4.3m for compact linear metro subway car