Originally Posted by chuck75
Expo can be a key to a beginner's success! Dual rate restricts control surface travel, and Expo is used to de-sensitize stick movement around neutral. Transmitters such as the DX6i have both functions available. 30 to 45% expo, and around 60-75 % dual rate is where most ARFs initial settings end up. Some foamies need more elevator travel than the 60-70% provides.
The radio that comes with that plane has neither duel rates or expo and works fine. An experienced buddy would be invaluable.