So I just got done putting together my first HexaCopter and it will not take off.

Here are the current parts:

Motors are 1200kv (http://www.hobbyking.com/hobbyking/store/__25084__NTM_Prop_Drive_Series_28_26A_1200kv_250w_short_shaft_version_.html)

7x6E Precision propeller (http://www.hobbyking.com/hobbyking/store/__7942___TGS_Sport_7x6E_Precision_propeller.html)

Turnigy Multistar 20 Amp Multi-rotor Brushless ESC 2-4S (http://www.hobbyking.com/hobbyking/store/__25364__Turnigy_Multistar_20_Amp_Multi_rotor_Brushless_ESC_2_4S.html)

Venom 20C 3S 6400mAh 11.1 LiPO Battery (http://www.amazon.com/dp/B0027GEY9S/ref=pe_175190_21431760_M3T1_ST1_dp_1)

Please watch my prop video:

http://youtu.be/g0URQ5k9bjg

Here is the first attempt at taking off:

http://youtu.be/fP7jhFiEGWw

So I am guessing the issue is to do with the Props and the Normal vs Pusher. So the first question is how do I know what size props I need? And how do I know if the props I buy will fit my motors (shaft)?

Here are the prop test for the motors I bought

Prop Tests:
7x6E - 11.1v - 90W - 8A         
7x6E - 14.8v - 192W - 13A               
8x4E - 11.1v - 100W - 9A
8x4E - 14.8v - 222W - 15A
8x6E - 11.1v - 145w - 13A

Any help would be greatly appreciated!

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