My quadcopter is V type frame.
Motors Emax 2213 / 935KV / 1045 props
Slightly soft props, not much like phantom but they are not rigid
4000 Mah 3s Lipo
total weight of quad copter = 1600 grams
giving only 9 ~ 10 mins in a no wind condition and mostly loiter / hover
How can i increase my flight time (i cannot reduce the weight more) ??
suggest me motor / prop upgrades .