How do you measure horsepower

Buyer's Guide. Type keyword s to search. Today's Top Stories. Getty Images. The Genesis of Horsepower To understand the roots of this unusual metric, we need to turn the clock back to the 18th century, when the advent of steam power was about to provide early retirement for a lot of hard-working horses. James Watt derived his calculation for horsepower from how much work a mill horse could do. An example of an early Watt steam engine, which was designed in approximately Railroads were built on the back of the steam-powered locomotive, which ruled the rails for more than years.

This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. You may be able to find more information about this and similar content at piano. Advertisement - Continue Reading Below. More From Features. This article originally appeared on YourMechanic. Autoblog is partnering with YourMechanic to bring many of the repair and maintenance services you need right to you. Get service at your home or office 7 days a week with fair and transparent pricing.

We get it. Ads can be annoying. But ads are also how we keep the garage doors open and the lights on here at Autoblog - and keep our stories free for you and for everyone. And free is good, right? If you'd be so kind as to allow our site, we promise to keep bringing you great content.

Thanks for that. And thanks for reading Autoblog. Difference between horsepower and torque for vehicles Horsepower Horsepower is known for speed and is measured at high revolutions per minute RPM. Torque Torque is known for strength and is measured at the low-end grunt and is determined at low revolutions per minute RPM. Example : A Chevrolet Camaro 5. You would calculate x first. You would get 1,, Take 1,, and divide it into and you will get the horsepower.

You would get horsepower. Example : 5. Automatic transmission Warning : Make sure that the brakes work prior to the test.

The vehicle will be at a state of full acceleration and faulty brakes will make the vehicle move. Manual transmission Step 1: Take the vehicle for a test drive.

Note : Ring ridge is where the piston stops and forms a ridge above the piston as the piston rings wear into the bore. The best formula to use is: Cylinder size times the depth of the cylinder times the number of cylinders time pie Example : 3.

Example : x x 0. Part 4 of 4: If you need help If you are in need of help determining the specifications of the engine in your vehicle or if you need assistance in how to calculate the horsepower for your engine, then you should seek out help from one of our certified mechanic that can help you with your vehicle.

Ownership horsepower torque. View More. Thank You Thanks for subscribing. Check your in-box to get started.

Sign Up More Info. We notice you're using an ad blocker. Please consider allowing Autoblog. Allow Us! Here's how to disable adblocking on our site. Click on the icon for your Adblocker in your browser.

A pump is not a drive. It will be driven by another source or prime mover such as an engine, motor or natural kinetics.

Only the drivers have horsepower, not the pump. Not Helpful 17 Helpful Not Helpful 13 Helpful 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. It makes the air intake more dense, allowing the car to burn more fuel and power the crankshaft even further.

Not Helpful 7 Helpful Not Helpful 4 Helpful HP is a unit for power, as it can be measured by W watt. First we need to convert the horsepower to watts. HP is measured with all the accessories 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. As stated above, one horsepower is equal to watts. You divide your calculated watts by this number to get your equivalent horsepower.

Not Helpful 8 Helpful Jose Guerrero. It is a conversion factor. He had a reading in lbs. Not Helpful 10 Helpful Include your email address to get a message when this question is answered. Use a calculator for all multiplication and division operations. Helpful 0 Not Helpful 0. Perform calculations twice to make sure you entered them into the calculator correctly.

Submit a Tip All tip submissions are carefully reviewed before being published. Use care when handling electric motors. Helpful 21 Not Helpful Related wikiHows How to. How to. Co-authors: Updated: December 19, Categories: Classical Mechanics. Italiano: Calcolare i Cavalli Vapore. Nederlands: Paardenkracht berekenen. Thanks to all authors for creating a page that has been read 1,, times. The way you guys have framed the subject in a colorful and meaningful manner matters a lot more than sitting and reading a PDF full of technical terms.

Come up with more ideas like this and let it help those who are in need. Rated this article:.