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    Quadcopter Will Not Lift Help!!! Using SunnySky 4108 380kv Motors Only 2086.52 grams

    Hi, I have built a Hobby King X650F quadcopter. The total build weighs 2086.52 grams or 2.08652 kg or 4.6 lbs. I can't seem to get the quad off the ground. My parts are as follows: HK x650f frame 4 x Sunnysky 4108s 380kv Emax 40amp Ubec ESCs 5000 mah 3s 30c battery - I combined 2 of these...