150cc bikes tend to operate with just one cylinder and a 4-stroke engine. Most motorcycles in this class produce anywhere from 15 to 25 HP. How many horsepower is 4-stroke? What is the indicated horsepower of a four-stroke, six-cylinder engine having a 4” bore and 4” stroke? The engine speed Read more…
This is an L34 car, with the four-barrel-fed motor rated at 180 hp and 275 lb-ft of torque. What engine came in a 1972 Cutlass? Second generation (1968–1972) Second generation Engine 330 cu in (5.4 L) V8 350 cu in (5.7 L) V8 Transmission 2-speed automatic 3-speed automatic 4-speed manual Read more…
32 million horsepower. Each of the engines weighs nearly 9 tons, and they came in a cluster of five. They provided 32 million horsepower by burning 6,000 pounds of fuel every second, and together, they lifted the largest rocket in history 38 miles above the Earth in less than three Read more…
There is a famous question often asked online: Would you rather fight a horse-sized duck or 100 duck-sized horses? For Wired Science blogger Rhett Allain, the answer is the horse-sized duck. Here, Rhett tells you how physics helped him select his adversary. How strong is a duck-sized horse? Now then, Read more…
The level of horsepower an engine can deliver is directly proportional to the level of torque generated by the crankshaft, which is directly proportional to the total displacement capacity of the engine. Is horsepower proportional to torque? Mathematically, horsepower equals torque multiplied by rpm. H = T x rpm/5252, where Read more…
Most engines use horsepower to describe how much work they can do in a given amount of time. The constant 1 horsepower equals 550 foot-pounds per second. In other words, 1 horsepower is the amount of work required to move a load of 550 pounds over 1 foot, in 1 Read more…
BHP stands for ‘brake horsepower’ while HP stands for ‘horse power. ‘ The difference between the two is in relation to measurement. BHP is a measure of the actual horsepower the car has at it’s wheels while HP is the amount of horsepower that exists in the engine. Is horsepower Read more…
During the First World War (1914-18), horses were needed to perform cavalry roles, but were also vital for moving supplies, equipment, guns and ammunition. How were horses used in war horse? Military vehicles were relatively new inventions at this time and prone to faults, so horses and mules were seen Read more…
Brake horsepower per cubic centimeter or (bhp/cc) is a figure of merit that is used to indicate the ‘state of tune’ of an internal combustion engine. It is defined as the ratio of the engine’s net power output to its displacement, the internal size. Power is measured at its rated Read more…
Horsepower is a major factor in a vehicle’s fuel consumption. More power generally means higher fuel consumption. This means you can save money on fuel, and reduce your impact on the environment, by choosing a vehicle with no more horsepower than you need. Does more horsepower mean better gas mileage? Read more…