Horsepower is characterized as work done after some time. You will need to measure the piston at bottom dead center (BDC) and again at top dead center (TDC). For example, a Porsche generates 480 of torque at 2,500RPM. Then take that number and times it by the outcome of the number of cylinders divided by the size then times by 3 for standard engines or 4 for an engine with a torque package. What can we do with it? I=1492/240 (for single phase), which means I=6.21A. "The one helped me in calculating pump horsepower and I am really thankful for good illustration and explanation. wikiHow is where trusted research and expert knowledge come together. What is the horsepower for a centrifugal pump? If you do not have an ownerâs manual and you want to know how much the engineâs horsepower is, then you can check to see what the engine is in the vehicle. Commercial: Bred to deliver 412 horsepower and 390 foot-pounds of torque. The answer is the horsepower for the car’s engine. First, a few equations to help you calculate your horsepower: For electric motors, power or horsepower can be calculated from the torque and speed. Expressed in terms of the equation, that is (2500 * 480), which equals 1,200,000. Was very cordial and immediately started working on my vehicle. Le Dodge Caliber est-il une voiture d'homosexuel . The term horsepower was invented by the … Voitures électriques : Quand on habite dans un immeuble et que l'on a pas de garage avec prise de courant, on est supposé la recharger où? He had a reading in lbs. The dynamometer outputs a chart that looks like this. Horsepower will just speed up a transmission; however, torque is what will make the gears come in contact with much strength. We will address to this number later in the explanation. If we have, say, 5 horsepower, we’ll have enough to move a 2,750-pound car one foot in one second, given weight and power are the only two factors. We will address to this number later in the explanation. Step 2: In the ownerâs manual, look up the engineâs speed values. 9 réponses. Use a calculator for all multiplication and division operations. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. HP is measured with all the accessories attached to the engine to determine its maximum rate and speed. It’s a Ford Mustang GT350, and though its wheels are spinning at what should carry the car to 140 mph, it’s obviously not moving anywhere. No hands required! Horsepower is what makes a vehicle manufacturer determine the tachometer max specifications and also determines the type of tires and suspension is to be used on vehicles. With the car chained down, an engineer pushes on the gas pedal to see how the car interacts with each load at a different rpm. So, if the motor is 2HP, 2HP=1492 watts. Then check to see what type of engine is in the vehicle. YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. it is measure in dymo. have framed the subject in a colorful and meaningful manner matters a lot more than sitting and reading a PDF full of technical terms. Information about the device's operating system, Information about other identifiers assigned to the device, The IP address from which the device accesses a client's website or mobile application, Information about the user's activity on that device, including web pages and mobile apps visited or used, Information about the geographic location of the device when it accesses a website or mobile application. will use again. Excellent, offered good advice as well as being especially efficient for the work. Now that you have the measurements, you would need to make a formula to determine the proper amount of horsepower the engine is going to produce. By continuing to use the site you are consenting to cookie use and storage. Horsepower of reciprocating engines, particularly in the larger sizes, is often expressed as indicated horsepower, which is determined from the pressure in the cylinders. The electric engine would produce about 322 horsepower for a continuous time. What does it mean to call a pickup truck a 'half-ton truck'? Standard frame sizes and motor features can be found on the Universal page. Weird & Wacky, Copyright © 2020 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. Pertinence. Horsepower is a unit of measurement that calculates power. Que pensez-vous des réponses? Read the depth gauge and write down the measurements. Les transmissions automatiques sont pour les baveux et les paresseux ? % of people told us that this article helped them. The clutch is slipping in and out of lock. HP then just becomes a calculation. Then use the formula ((V * I * Eff)/746=HP) to determine the electric motors horsepower. You can look at the engine and determine how many cylinders are on the engine based on how many injectors and spark plugs there are. Copyright © 2020 Business Insider Nederland. Horsepower is known for speed and is measured at high revolutions per minute (RPM). Don’t look now, but the car expert in your life – the one with an opinion about everything on wheels – is scrambling to find a Wikipedia entry right about now. * For internal combustion engines horsepower (HP) is the mechanical power which can be measured. Put the transmission shifter in drive and step on the accelerator for about 3 to 5 seconds at full throttle. Horsepower at the output shaft of an engine, turbine, or motor is termed brake horsepower or shaft horsepower, depending on what kind of instrument is used to measure it. seriez vous favorable au retour des pares choc en chrome sur les voitures comme autrefois? Include your email address to get a message when this question is answered. Put another way, if you somehow managed to lift 33,000 pounds one foot over a time of one moment, you would have been working at the rate of one horsepower. it,s measured by the compression of the engine. Jay P. Lv 7. Last Updated: December 19, 2019 Though horsepower units are a derivative of the 33,000 ft-lbf/min, it is not critical to understanding how to calculate motor horsepower for speed and torque. Torque and horsepower are both ways of understanding force where torque measures the capacity of a force to twist an object and horsepower measures that capacity over time. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. If you can’t find the torque or the engine speed in the owner’s manual, search for the information online with the car’s make, model, and year. If you're looking to improve your cars performance (assuming your using a petrol driven car), a good way would be to invest in a cold air intake. Peak torque is where the engine produced the most force. All tip submissions are carefully reviewed before being published. This article has been viewed 995,777 times. Only the drivers have horsepower, not the pump. The term horsepower was invented by the engineer James Watt. Step 2: While at full throttle, watch the RPM gauge.
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