Product:
High precision main rotor assembly	3.5mm high density carbon steel main shaft		Center of gravity of battery tray designed close to the rotor head
One-way duo-bearing incorporated in main gear design	New-sturdy lightweight 3K CF main frame/1.2mm		8.5mm tail boom and metal horizontal fin mount
High Precision bearing dual linkage tail control assembly and metal tail rotor holder	Metal designed tail drive gear assembly		Fiberglass painted canopy
250 high performance brushless motor	DS410 digital servo		RCE-BL15X Build-in 5~6V adjustable BEC
Accessories:
Overall packing:
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Instructions:		Specification:
Features Electric power system. Simple and light weight design provides awesome flight performance and extreme 3D capability. 1.2mm 3k Rigid carbon fiber frame design. Beautiful factory painted fiberglass canopy. 3.5mm main shaft. 2.5mm Feathering shaft. 8.5mm Tail boom. Center of gravity of Battery tray designed close to the rotor head. Tail rotor drive belt system.		Length:430mm Height:187mm Main Blade Length:200/205mm Main Rotor Diameter:450/460mm Tail Rotor Diameter:108mm Motor Ponion Gear:15T Main Drive Gear:120T Tail Drive Gear:28T Drive Gear Ratio:1:8:4.28 Weight(w/o power system):138g Flying Weight:Approx 330g Color carton:27.3x10x6.6cm Outer carton:56x31x28cm ,24sets/ctn
		Accessories:
		T-REX 250 Kit Set X 1 set 200 Main blades X 1set 205 Main blades X 1set RCE-BL15X 15A Brushless ESC X 1 (Build-in 5~6V adjustable BEC) RCM-BL250 Brushless motor (3400KV) X 1 Motor ponion gear 15T X 1 DS410 Digital servo X 3 40 Tail blade X 1set 42 Tail blade X 1set Clip X 1 #00 Philips screw driver X 1 0.9 Hexagon screw driver X 1 Dial pitch gauge pad X 1 Radio transmitter and electronic equipment required for assembly: 1.Transmitter (6-channel or more,helicopter system) 2.Receiver (6-channel or more) 3.Head lock gyro X 1 4.Specialized servo X 1 5.Pitch gauge X 1 6.11.1V 3S Li-Po 850mAh battery X 1