Quote:
Originally Posted by tyrannor
How does one make the engine rotate at the same speed with different power outputs?
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If I am in my car with a 5-speed transmission, I could go up a hill in 5th gear, and mash the gas all the way to the floor, making more power, or take my foot off the gas, making less power, or I could be anywhere in between.
Or, if that doesn't work for ya, driving on flat ground, I could hold the gas with my right foot, and brake with my left. I could press the gas to the floor, and press really hard on the brake, or let off the gas, and brake very little, all while maintaining the same speed.
To jump ahead to where you are going with this, to operate your car at the bmep, you'd need a relatively small engine, and relatively tall gearing (for a 5-speed).