Engine Power vs Brake Horsepower vs Horsepower | BHP and HP | Hindi 

Power as an entity is a measure of how quickly and how far an engine can force the car forward, with that force being the torque produced from the internal combustion. This is generalised in engineering as the amount of ‘work’ the car has to do to propel itself along and has taken many forms since the early days of internal combustion.
Engine Torque / BHP / RPM | Horsepower vs Torque | Hindi : • Engine Torque / BHP / ...
Brake horsepower is a measurement of the engine’s power taken at the flywheel or crankshaft without the engine losing power due to drivetrain and gearbox resistance. After the engines have been selected for a vehicle, they are tested to check how much power it is delivering. The power delivered by ONLY engine is calculated by a device called as dynamometer. In the setup, brakes are applied to the crankshaft end to measure the torque at a certain RPM.
Power = Torque x RPM.
While performing the test, torque and RPM are known in the above equation and so we can calculate power.
Since the power delivered by engine is calculated by applying brakes, it is popularly called has brake horsepower.
Horsepower (HP) is measured with all the accoutrements attached to the engine, to determine its maximum rate and speed. BHP, on the other hand, is more of a theoretical calculation, which is made under lab-controlled conditions, and without having anything attached to the engine.
1. HP is the output horsepower rating of an engine, while BHP is the input brake horsepower of an engine.
2. B HP is the measurement of an engine’s power without any power losses, while HP is BHP less the power losses.
3. HP is measured by hooking up the engine to a dynamometer, while BHP is measured in a controlled environment without anything attached to the engine.
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