It says wires are allowed but is it OK if alligator clips are on the wires and used to connect them to motors? Reveal Questions Yes, that is allowed. ‹ It says we can use a brushless motor, but it doesn't explicitly address the ESC (Electric Speed Controller), nor PWM (Pulse-width modulation) control. Please confirm if we can use ESC and PWM control. May a hovercraft have multiple circuits that are separate from each other and under 12 volts, even if the combined voltage of all batteries is over 12 volts? ›