When Did Net Horsepower Come Out?

In their 1972 model promotion, the four auto companies list only net horsepower. When did net horsepower start? 1972After 1972, an engines power output was quoted as “net horsepower,” and just like “gross horsepower,” it was measured at the crankshaft, so it too does not take into account drivetrain losses. Read more…

Do Australians Use Horsepower?

Not all ‘horses’ are the same Here in Australia, its use is strictly colloquial – we’ve officially been using the metric unit kilowatt (kW) to rate engines since 1977. In case you’re wondering, 1 kW is equivalent to approximately 1.34 mechanical horsepower. Does Australia use HP or kW? The Standard Read more…