Originally Posted by
flapper
Does anyone else's motor whine loudly compared to other brands? I don't know that it matters but it's definitely noticeable.
the rpm of R1 motor is definitely very high. The whine is noticeable upon free revving. My r1 21.5 free revs higher than my reedy sonic 17.5. But it is not as fast due to lower torque across the board. R1 is definitely a fast motor but have to gear higher compared to most other motors.