How to fly a 4 channel RC plane
If you are wondering how different can a 4 channel be to a 3 channel then this video will show you.
With a 4 channel plane you have got the same controls as a full size plane so now you have an extra dimension to think about.
The rudder is useful for many things it is the last control surface to lose effectiveness at low speeds. Its useful for adjusting your direction when flying slow on a landing approach as you don't have to dip a wing and risk a stall. it also comes in handy if you want to speed up a turn when you find yourself barreling towards that line of 50 ft trees you forgot where behind you!