Aside from having to purchase an RC helicopter, there are also some other things that you have to take notice of aside from what kind of engine or servo or receiver your new toy has. Lots of pilots should consider upgrading various components of their RC helicopters—motors, gyros, batteries, receivers and transmitters.
Nitro-based RC helicopters can also be enhanced with servos, gyros, batteries, receivers, transmitters, engines or starters. Other optional accessories for electric- and gas-powered RC helicopters are pitch gauges, training kits, servo testers and battery voltage indicators.
But the abovementioned RC accessories are best fit for professional pilots. For beginner pilots, you should consider spring RC servos, a cys