In order to measure the RPM of the wheel used as the shooter, would it be legal to connect a small dc motor, not in the KOP, to the shaft of the wheel so that when the wheel is turned by a KOP motor, the small motor generates a current which is connected to the RC analog inputs.
I'm pretty sure using a small motor as a sensor is legal by the rules regarding to custom circuitry, but it doesn't hurt to double check.
