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  1. F

    need to make a multi rotor to lift a weight of 6 kg

    hi folks i am newbie to multirotors, earlier i have made an 450mm quad with kk2.1 control board. Now for a college project i have to make a multirotor which can lift a weight of 6 kg , it should be autonomous ,fail safe and have flight time of upto 30 minutes. i need valuable suggestions on...