Torque Calculation Height of the Rudder in Meter Width of the Rudder in Meter Value of the Compensation in Meter Speed of the Boat in Knots Coefficient According to the total angle of the Rudder -Select- Port to Starboard 50 Port to Starboard 60 Port to Starboard 70 Port to Starboard 80 Port to Starboard 90 Torque Kg.m