What is J1349?
SAE J1349, 2011 Edition, September 2011 – Engine Power Test Code – Spark Ignition and Compression Ignition – As Installed Net Power Rating. This standard is intended to provide a method to obtain repeatable measurements that accurately reflect true engine performance in customer service.
What is SAE J1995?
SAE J1995. January 1, 2014. (R) Engine Power Test Code – Spark Ignition and Compression Ignition – Gross Power and Torque Rating. This SAE Standard has been adopted to provide a basis for dynamometer determination of gross engine power and torque under reference conditions.
What is DIN horsepower?
One DIN hp (DIN stands for “Deutsche Industrie Normen” or “German Industrial Standard”) is the ability to lift 450000 kg one cm in one minute. For the same power the SAE measurement is thus 98.629% of the metric DIN measurement.
What is SAE J607?
J607: Small Spark Ignition Engine Test Code – SAE International.
What does NM mean in cars?
torque
Applied to internal combustion engines or electric motors, torque indicates the force to which the drive shaft is subjected. Torque is expressed in pound-feet (lb-ft) or newton-meters (Nm). The interaction of torque and engine speed (rpm) determines the engine power.
Who invented horsepower?
engineer James Watt
The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses. It was later expanded to include the output power of other types of piston engines, as well as turbines, electric motors and other machinery.