Mechanical Engineer Salary. A Mechanical Engineer earns an average salary of $66,890 per year. Most people move on to other jobs if they have more than 20 years' experience in this career. Experience has a moderate effect on income for this job. $50,160 - $93,233.
No, that means the engine produces 250 horse power at 6400 revolutions per minute. RPM means rotation/revolution(s) per minute,rpm is concerned to Engine whose pistion moves in rotation inside the drum , RPM is important bcoz larger the RPM larger the force it produces whic moves the wheel of your bike , or car. what is ideal rpm for new car. RPM of a car means revolutions per minute. minute.
For example, if we divide a ring gear with 41 teeth by a pinion gear with 10 teeth we find that the gear ratio is 4.10:1 (41/10 = 4.10). Tire diameter will also have an effect on a vehicle's final drive ratio. As tire diameter changes, so will engine rpm at a given speed. We can demonstrate this with the simplified formula: rpm = (mph x final gear ratio x 336*) / tire diameter (*see Formulas for Success sidebar).