Slermalling = slope soaring + thermalling The X1 is the perfect glider for this type of flying. AUW 2.33Kg gives it mass to keep the airspeed up in good air but the X1 is so efficient at low speeds too when sink hits and you need to fly conservatively at low-sink-rate in cruise mode with a clean wing.
This video may earn me no friends amongst the 80K+ UK drone and RC plane flyers who chose not to put up a fight against sweeping new regulations that not only exclude kids from owning RC planes but...
