please help with my first quad

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i am going to a competition and i decided to use a quad copter

my big problem is the flight time (the battle will last for 30 minutes)

and i used this calculator

http://www.ecalc.ch/xcoptercalc_e.htm?ecalc

to find this approximated numbers

no. of rotors : 4

copter weight : 1500gm

Battery : LiPo 6000mAh 3s2p

ESC : 20A

Motor : Turnigy D2836-11 (750kv)

propeller : 12x5 2blade

now this calculations give me about 35 minutes flight time hover

and about 13 flight time

my question is if i make a copter based on this numbers it will fly with this flight time ??

and what is the difference between the flight time and the flight time hover ?

thank you all in advance and waiting reply

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medo masa2el Members Profile Send Private Message Find Members Posts Add to Buddy List Gold (EG) USERID: 1374846 Newbie Joined: 05/May/2012 Online Status: Offline Posts: 1	Quote Reply Topic: please help with my first quad Posted: 28/Jun/2012 at 5:47pm
	i am going to a competition and i decided to use a quad copter my big problem is the flight time (the battle will last for 30 minutes) and i used this calculator http://www.ecalc.ch/xcoptercalc_e.htm?ecalc to find this approximated numbers no. of rotors : 4 copter weight : 1500gm Battery : LiPo 6000mAh 3s2p ESC : 20A Motor : Turnigy D2836-11 (750kv) propeller : 12x5 2blade now this calculations give me about 35 minutes flight time hover and about 13 flight time my question is if i make a copter based on this numbers it will fly with this flight time ?? and what is the difference between the flight time and the flight time hover ? thank you all in advance and waiting reply

mike.t.ward Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum (NZ) USERID: 688218 Newbie Joined: 16/Jun/2011 Online Status: Offline Posts: 5	Quote Reply Posted: 02/Jul/2012 at 7:27pm
	Flight time hover is how long it will fly if you only hover because hovering requires far less power that flying around fast that is the differnce so if you want to fly around fast you will end up with the shorter flight time. however your numbers are off the flight time is about right but the flight time hover is way to long compared to the shorter one there is no way you will go from 13 to 35 mins i would think it would be about 20 or 25 at max.