Every Gas Engine Needs the PowerBox SparkSwitch Pro

I’ll start this conversation by saying that any electronic-ignition gas engine should have a transmitter-activated, electronic-ignition kill switch. Not a choke servo, not a throttle servo that closes all the way, but an independent way to kill the ignition despite any sort of mechanical failure of servos, linkages, etc. There is a common misconception that it’s required by the Academy of Model Aeronautics, and while I can assure you that applies only to giant-scale racing,...