book.book Page 6 Friday, July 19, 2013 12:53 PM Subsystems Subsystems Subsystems Motor Type AC induction motor, liquid-cooled, with variable frequency drive Rating 375 Volts Maximum Speed 16000 rpm Transmission Type Single speed fixed gear Overall Final Drive Ratio 9.73:1 Reverse Gear Reverse direction of motor, limited to 24 km/h Steering Type Rack and pinion with electronic power steering Variable ratio and speed sensitive Number of turns lock to lock 2.45 Turning Circle (curb to curb) 11.3 metres Brakes Type 4-wheel anti-lock braking system (ABS) with Electronic Brake Force Distribution, Integrated Advanced Stability Control and Electronic Accelerator pedal actuated regenerative braking system Calipers Four piston fixed Rotor Diameters (ventilated) Front: 13.98”/355 mm Rear: 14.37”/365 mm Front Rotor thickness New: 1.26”/32 mm Service limit: 1.18”/30 mm Rear Rotor thickness New: 1.10”/28 mm Service limit: 1.02”/26 mm Front Brake Pad Thickness (excluding back New: 0.354”/9.0 mm plate) Service limit: 0.078”/2 mm Rear Brake Pad Thickness (excluding back New: 0.315”/8.0 mm plate) Service limit: 0.078”/2 mm Electronic Parking Brake (EPB) Pad New: 0.216”/5.5 mm Thickness (excluding back plate). Electronic Service limit: 0.039”/1 mm calipers self-adjust for pad wear. Parking brake Electrically actuated parking brake calipers 8.6 MODEL S OWNERS MANUAL