Some Pics to share:
The final kit with 15x55 props, the landing gear is temporary and will change to new one with camera gimbal and also need the canopy.
Take of with once extra battery as the load testing, the second battery is not connect to power.
The flight is perfect, the motor is so quiets. The YS-X4 as the Ys-X6 do an excellence GPS hold.
Some test results:
With one 6S - 5000maH All flight Weight is 2.5kgs and it can fly for 20 minutes and take 4000maH re-charged.
With one extra battery as the load (0.8kg = Gimbal and Sony NEX5n) make total weight as 3.3kgs, it can fly for 12 minutes with the same 4000maH charge back after flight.
Short video is on uploading.....
Next test fly will be extended the telemetry link and do way-point test since my Ys-X4 is navigator version.