Distance is measured in meter. (Can also use horsepower (hp) x 63,025 / pump displacement (cu ins/rev) Heat Generation Formulas: Converting heat into other units. Force: 1 newton equals: other units to newton: 0.001 kilonewtons: 1 kilonewton = 1000 newtons: 100 000 dyne: First we need to convert the horsepower to watts. T is Tractive Effort, in Newtons. 1HP=746 watts. It is located on page 11. Time is measured in seconds. Physicists use power in mechanics and electricity. When you choose horsepower, this calculator will measure the approximate horsepower of an engine based on the torque of the engine (measured in foot-pounds) multiplied by the RPM of the engine, divided by 5,252 (conversion between foot-pounds and horsepower). HP is a unit for power, as it can be measured by W (watt). • With this standard of measure, the formula for determining horsepower is: $ Horsepower = Force x Distance/Time x 33,000. Enter these values into the water horsepower formula. Watts is the unit of power in the SI (metric) system of measurement. V is the velocity (aka speed) in km/hr. Tractive Effort Estimation Formula# I do not take credit for this excellent formula. So, if the motor is 2HP, 2HP=1492 watts. Horsepower may also be expressed as 1 hp = 33,000 foot-pounds/ minute or 1 hp = 550 foot-pounds/second. You will be using the formula (RPM x T)/5252=HP, where RPM is the engine speed, T is the torque, and 5,252 is radians per second. There are many different standards and types of horsepower. We derive the formula for amperage from that to be I=P/V. 1 Horsepower (Imperial Mechanical): 550 ft lbf/s. Where: Power is measured in watt. The water horsepower, or minimum power required to run the pump, equals ∗ ∗, where TDH is the total dynamic head in feet, Q is the flow rate in gpm, and SG is the specific gravity (1 for water). There is a formula for horsepower, it was developed by a Scottish inventor named James Watts, in 1764, over several years he developed, patented, and refined several steam engines, to express the capacity of his engines, he developed a comparison between what his engine could do and the average work capacity of a normal size horse, he found a horse could … The watts equation in mechanics is P = W/t, where W is work in joules and t is time in seconds. Unit Descriptions; 1 Foot-Pound-Force per Second: Approximately 1.3558179483314004 Watts (SI). Remember, the output horsepower, not the maximum horsepower! I found it in a paper by Virginia Tech on Rail Resistance Equations. Horsepower (hp) = pressure (psi) x flow (gpm) / 1714 -or- … Example: A 2010 Chevrolet Camaro 5.7 liter produces 528 foot pounds of torque at 2650 RPM. So the adjusted thrust horsepower formula goes as follows: Horsepower (hp) = current draw (amps) x voltage x efficiency x power factor/764 I=1492/240 (for single phase), which means I=6.21A. $ Refer to the example of one person exerting 40 pounds of force to pull an object 2 feet in 2 minutes. … Then you should make a guess as to the efficiency of the motor and there are always other power factors to affect the conversion rate. The power formula for a circuit is P = VI, where V is in volts and I in amperes. Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. Power unit conversion between newton meter/second and horsepower, horsepower to newton meter/second conversion in batch, N.m/s hp conversion chart Horsepower formula and conversions. The formula for calculating power in electrical circuits is P=VI. Two common definitions used today are the mechanical horsepower (or imperial horsepower), which is about 745.7 watts, and the metric horsepower, which is approximately … Force is measured in Newton. Horsepower (hp) = current draw (amps) x voltage/764. You would calculate 2650 x 528 first. 1 hp = 2,545 BTU/hr = 42.4 BTU/min = 33,000 ft. lbs./min = 746 watts. You would get 1,399,200. Enter all the values you found into this formula to find the water horsepower for your project. P is Horsepower. Power = Force * Distance/Time.
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