Quote:
Originally Posted by choneofakind
In what sense are you saying this? Again, numbers are numbers. Those are more objective (if done properly so as not to add more variables) than the butt dyno ever is.
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Yes, numbers are numbers, but there might be some truth to those differences. On the road, the motor has to accelerate the entire motorcycle. On the dyno, the motor has to accelerate just the rear wheel and the connected drivetrain parts, and the dyno drum itself. Shaving weight off the rear wheel (or drivetrain in general) will definitely improve both the dyno numbers and the real world numbers. But if the accelerated mass in its entirety is less on the dyno, compared to the accelerated mass of the entire bike on the road, the improvement will seem higher. Same with reduced friction. No matter what, reduced friction is better than increased friction. But the effects might not translate exactly/linearly/proportionally.