Efficiency Calculator Efficiency Calculator Gear Ratio: Output Speed (rpm): Output Inertia (kgm²): Max Output Torque (Nm): Gear Model Code: RDS-006E RDS-020E RDS-040E RDS-080E RDS-160E RDS-320E RDS-010C RDS-027C RDS-050C RDS-100C RDS-200C RDS-320C Calculate *Please note this is a rough estimate and does not accurately reflect efficiency or no-load running torque.