YOU MUST TO THIS HELICOPTER CHINOOK PUT SWISSHPLATE FOR DRIVE , UP AND DOWN , FORWARD , BACK , LEFT , RIGHT AND AUTOROTATION .YET FOR ELECTRIC MOTORS , A CONTROLLER , YET TWO FLYBAR .ONE IN EVERY ROTOR , ALSO MICROMOTORS OR SERVES . ALSO PUT A GOOD RECEIVER OF 2 ,4 GHZ WITH 4 OR 6 CHANNELS , FOR EXEMPLE...AND SO YOU SHOULD BUILDING NICE YOU CHINOOK 47 HELICOPTER .; GOOD LUCKY BOY . GRETTINS ! . 👍😉🙋🏻♂️