X-Plane is not a dedicated RC simulator. Flying lightweight, agile RC scale models inside a full-scale flight simulation engine requires a few essential settings to be configured correctly before your first flight. Skipping these will result in unstable, unrealistic behavior.
1. Simulation Rate when flying RCE
This is the most important setting. In X-Plane's General settings, set the Flight Models per Frame value to somewhere between 5-10 (maximum).
X-Plane's default (minimum) value is optimized for full-scale aircraft. At lower values, the physics engine cannot keep up with the fast, lightweight dynamics of RC scale models, resulting in shaking, instability, or crashes on the ground immediately after loading.
It is highly recommended to set it to 5-10 before flying any RCE model.
If you use X-Plane for full-scale aircraft as well, remember to set it back to your preferred value (typically 2 to 4) when switching back.
2. Field of View
One of the real challenges of RC flying is maintaining visual contact with the aircraft and reading its spatial orientation, especially when it's flying toward you from a distance. On a monitor, this becomes even harder as the model shrinks quickly with range.
In full-scale sim flying, on standard 2-d display of up to ~43",comfortable Lateral FOV is typically set between 85 and 115 degrees. While this setup provides good cockpit and spatial orientation, it is not optimized for flying RC models.
RCE handles Lateral FOV automatically via the built-in G-REF camera plugin. In external views, G-REF manages FOV dynamically, adjusting it in real time based on the aircraft's distance and the pilot's head tilt above the horizon, exactly as a real RC pilot's eye would track the model.
When switching to 1st person HUD view, or non-dedicated external views, it sets FOV to approximately 100-115 degrees, which allows good forward view for FPV flying, if needed.
When loading a standard X-Plane aircraft after flying RCE, FOV may default to 100-115 degrees. You may want to adjust it back to your preferred full-scale setting.