Torque

Torque and engine power [duplicate]

Torque and engine power [duplicate]
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  • Dennis Rose
  1. What is the relationship between power and torque?
  2. Does more torque mean more power?
  3. How do cars compare torque and power?
  4. What happens when you have more torque than horsepower?
  5. Is power equal to torque?
  6. Why does torque decrease with engine speed?
  7. What is the advantage of high torque?
  8. How do I get more torque?
  9. Is 400 ft lbs of torque a lot?
  10. How much torque is good for a car?
  11. Which is better torque at low rpm or torque at high rpm?
  12. What is Torque vs Speed?

What is the relationship between power and torque?

Torque is the rotational equivalence of linear force. Power is work done in a time interval. The relation between torque and power is directly proportional to each other. The power of a rotating object can be mathematically written as the scalar product of torque and angular velocity.

Does more torque mean more power?

Horsepower is how rapidly the vehicle can perform that work. ... Of course, horsepower is tied to torque mathematically. Horsepower equals torque multiplied by rpm, divided by a constant. Because there is generally a limit on how fast you can spin an engine, having higher torque allows for greater horsepower at lower rpms.

How do cars compare torque and power?

How to compare cars based on RPM, Torque and MAX power?

What happens when you have more torque than horsepower?

Torque multiplied by rpm returns horsepower. Basically, the faster the crankshaft spins with the same amount of force, the more power an engine will make. A car with more hp than torque will always be quicker since this gives a car acceleration and speed.

Is power equal to torque?

Back to Berra's theorem, torque is the capacity to do work, while power is how quickly some strenuous task can be accomplished. In other words, power is the rate of completing work (or applying torque) in a given amount of time. Mathematically, horsepower equals torque multiplied by rpm.

Why does torque decrease with engine speed?

At high RPM, torque drops off primarily from intake and exhaust flow restriction. Volumetric Efficiency declines because the engine can't breathe any faster. Mechanical efficiency also declines at higher RPM, due to increased frictional resistance. This further reduces torque at the output.

What is the advantage of high torque?

Benefits of torque

Having high torque force as the engine rotation (RPM) increases makes transporting heavy loads far easier and more efficient. Easier for driving up steep inclines - Having extra torque is also what creates enough power to get a vehicle going from, particularly when moving up steep inclines.

How do I get more torque?

How You Can Increase Horsepower and Torque?

  1. Clean House to Increase Horsepower. ...
  2. Perform a Tune-Up on the Engine. ...
  3. Install a Turbo Kit or Supercharger. ...
  4. Install a Cold-Air Intake. ...
  5. Install an Aftermarket Exhaust System. ...
  6. Buy an Engine Tuner. ...
  7. Conclusion.

Is 400 ft lbs of torque a lot?

Having 400 pounds of torque down low means you have more horsepower down low. Having 400 pounds of torque up high means you have even more horsepower then you had down low.

How much torque is good for a car?

A small car would require around 130 to 250 NM, a medium size car 180 to 320 and a large car 240 to 400 NM.

Which is better torque at low rpm or torque at high rpm?

Higher revolutions per minute equate to more fuel burnt in the same amount of time and more power produced. Because of this, most consider higher RPMs racing RPMs. Running at lower RPMs equates to higher torque and thus lower horsepower, while making higher RPM power outputs less torque and higher top horsepower.

What is Torque vs Speed?

Torque is the rotational equivalence of linear force. Speed measures the distance covered in unit time. The relation between torque and speed are inversely proportional to each other. The torque of a rotating object can be mathematically written as the ratio of power and angular velocity.

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