OMPHOBBY M7 ULTRALIGHT SETUP 

Take in the flight performance of the OMPHOBBY M7, equipped as a 3.8kg ultralight helicopter! Through careful choice of components, achieving a flying weight below 4kg is very possible and viable. Setup:
M7 Airframe: 2225g
SUNNYSKY 4520-550Kv: 400g
Tribunus 12-130A: 150g
4x KST X20-1806: 55g per servo
VStabi NEO: 14g
2 Blades RT-690-3: 149g per blade
RT-116: 6g per blade
6S 3300mAh 45C: 518g
Flying weight: 3837g