HobbyKing KK2.1HC Multi-Rotor Hard Case Flight Control Board With Remote Programmer

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Certified Buyer Rated

Oct 20, 2016

Great product, excellent! But you have to set it for proper operation

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Certified Buyer Rated

Jul 12, 2016

Well i plug her in. A simple task and right away the L.E.D. came up with Safe and Menu. After a few tries I was able to flick around the menu. Then I did something wrong and was unable to rearm my Quad. I look at You Tubes and found how to fix it all and off I went!

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Certified Buyer Rated

May 08, 2016

very niceeeeeeeeeeeeeeeeeeeeeeeeeeeee

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Certified Buyer Rated

May 01, 2016

As know - a real great and easy to handle FC

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Customer Rated

Mar 16, 2016

Don't buy this do yourself a favor and buy a naze32 rev 6 from a US supplier HK sucks and if you have to return anything they'll say they never received it and then what options do you really have when dealing with a foreign country?

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Certified Buyer Rated

Mar 12, 2016

love the kk board greatproduct

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Certified Buyer Rated

Feb 13, 2016

A multirotor[1] or multicopter is a rotorcraft with more than two rotors. An advantage of multirotor aircraft is the simpler rotor mechanics required for flight control. Unlike single- and double-rotor helicopters which use complex variable pitch rotors whose pitch varies as the blade rotates for flight stability and control, multirotors often use fixed-pitch blades; control of vehicle motion is achieved by varying the relative speed of each rotor to change the thrust and torque produced by each.



Due to their ease of both construction and control, multirotor aircraft are frequently used in radio control aircraft and UAV projects[2][3][4][5][6][7] in which the names tricopter, quadcopter, hexacopter and octocopter are frequently used to refer to 3-, 4-, 6- and 8-rotor helicopters, respectively.[8]





Hexacopter.[9]

In order to allow more power and stability at reduced weight coaxial rotors can be employed, in which each arm has two motors, running in opposite directions (one facing up and one facing down).[10] fgd

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Customer Rated

Feb 04, 2016

Was running Multiwii boards in my Quads and liked them but never really was satisfied with them and lost interest in flying them. Bought one of these boards and Love them. Has renewed my interest in flying Quads. Simple and fast to program and not having to plug them in to a laptop to program is fantastic for me. Carry the little programmer in your pocket and away you go. Nice stable flight right out of the box, Thank you Hobbyking

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Customer Rated

Jan 30, 2016

I have been in the RC hobby for many years and this is my first quad project. I used the red HK 250 frame, this controller, LD power race spec 1806 motor/esc kit (all US warehouse items). As others have done I put the unit in label up and it wouldn't calibrate the Y axis. once I turned it label down it calibrated. I got the instructions from the files tab above. (thank you who ever you are for that) The set up was very easy and straight forward. As advertised. The controller was a little big for the frame but I was able to modify the frame so it would fit between the top and bottom frame (building skill needed, If you are not a skilled builder then I would maybe suggest the KK2.1 (no hard case) do to the size. My quad flew very stable the very first flight on the default settings (not even trim needed) only thing I changed after the first flight was to change the yaw to 75pcnt from 50pcnt. now it flys perfect. NICE controller

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Customer Rated

Jan 26, 2016

Right out of the box this fc was defective. The z accelerator was defective so could not calibrate. Poor customer service as I have to wait 2 weeks from the day they receive the unit before they will ship a replacement. So if I just order a new one they will not ship for free. That's why I will order a new fc from US supplier.