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James Watt the famous inventor who first invented the steam engine and lent his name to the term watt in electrical energy, had, in his time, no standard measurement of power energy to work his calculations from. The horse was the predominant method of mobile power, so Watt worked out the maximum capability of a horse, in that, working for one minute, a horse could lift a given weight, a number of feet in that minute, he called this "one horsepower" Because he was working with small pit ponies, he increased his answer by 50 percent, thinking that a large horse would be stronger, and came up with the amount of 33000 ft pounds per minute. Ie, a large horse can lift a weight of 33000 pounds to a height of 1 ft in one minute, or lift a weight of 33 pounds 1000 ft in a minute, or any other combination. Think of the horse using a block and tackle. His calculations stand to this day, imagine the fantastic weight a 2000 horsepower truck engine could lift in one minute today!!
Another Answer
Outside the United States, they don't! In Europe, for example, the power of an automobile engine is expressed in kilowatts.
The horsepower and the watt are simply two ways of expressing exactly the same quantity: power. They can be used interchangeably. Technically, there's nothing wrong with expressing the power of a lamp, a kettle, or a heater in horsepower -if you wished!
What else can I help you with?
Is it true that power is the rate at which work is done and is generally measured in horsepower?
Yes, power is the rate at which work is done. It is generally measured in watts in the International System of Units (SI) but can also be measured in horsepower. Horsepower is a unit of power that is often used in the context of engines and machines.
What is the difference between engine and NAUTICAL engine?
MARINE engines are designed to fit into boats and ships for propulsion units. They often drive a crank shaft, or in the case of turbine are connected to a reduction gear, which is coupled to the propeller shaft. Marine engines (piston) are often mounted vertically rather than horizontal to save space. Marine turbines are often smaller for the same horsepower output, and operate at higher speeds than power plant turbines to produce that horsepower.
How many horspower is 87cc?
The horsepower of a 87cc engine can vary depending on its design and application, but a rough estimate is that 87cc typically produces around 2 to 3 horsepower. This is often seen in small engines like those used in lawn mowers, chainsaws, or small motorcycles. The specific horsepower rating can differ based on efficiency and tuning.
How many cc is a 5 horsepower engine?
There isn't really a straight answer for that... cc = cubic centimetre, and refers to the engines displacement. horsepower is a unit for measuring power. Power is measured at different rpm with different engines finding their max HP at certain rpm ( often referred to as 'power band') and varies due to intake, bore diameter and length of stroke. Sorry if that doesn't help at all.
Horsepower is expressed in what unit?
By Horsepower if you mean engine ouput ? If so these days it is often expressed in kilowatts rather than horsepower (1HP=0.746kW)
What does BHP and Torque in a car engine's mean?
The BHP (brake horsepower) is calculated on an engine dyno with a load brake right off the crankshaft. This is often considered a misleading figure as rear wheel horsepower or the actual power that hits the ground can be significantly different in that the rating is reduced by that power going through the transmission and differencial. Torque is a measure of applied force. The horsepower and torque will be the same at 5,252rpm on gasoline powered internal combustion engines.
Why do developing countries often subsidize manufactures in growing industries?
To protect them from foreign competition
How often do engines fail on vw golfs?
all engines are the same if you dont service them regular ive always said golf engines are great but then all engines are good if looked after tidy.
What is horsepower in bikes?
Horsepower (hp or HP[1]) is the name of several non-metric units of power. In scientific discourse, the term "horsepower" is rarely used because of its various definitions and the already existent SI unit for power, the watt (W). However, use of the term "horsepower" persists as a legacy in many languages and industries, particularly as a units of measurement of the maximum power output of internal-combustion engines of automobiles, and often of trucks, buses and ships. The use of 'HP' is being slowly replaced by kW (kilowatt) and MW (megawatt).
Which is rated better diesel or petrol engine?
Each engine is rated better for different things. A petrol engine generally has a higher horsepower than a diesel engine, so acceleration and speed is often better on a petrol engine. Diesel engines tend to rate better with torque, so they are better at pulling heavy loads, which is why diesel engines are used in trucks and locomotives.
How much horsepower does a Suzuki rm85 have?
The Suzuki RM85 has about 28 horsepower with a stock engine and transmission. This bike is often used for off-road riding and jumping.
How to describe a magical carpet?
A magical carpet is a mystical flying rug that can transport individuals through the air without the need for wings or engines. It is often depicted as ornately decorated and possessing the ability to respond to the thoughts and commands of its passengers.
