Walkera Dragonfly 4# 4CH Metal RC Helicopter RTF 2.4GHz w/ Alloy Metal Rotor Head

Walkera 2009 New Release 2.4Ghz Helicopter.
Walkera 4#3B is a well known helicopter. Walkera 4# is the big brother of 4#3B, it is easy to control, easy to repair and fun to fly. The development of the 4# has one reason - "To make a durable Helicopter for first time flyer and lead them to enjoy this hobby", and it really is.

The rotor head is equipped with full metal upgrades makes it very tough, the frame structure is so simple that it almost doesn't break at all. For those first time flyer, just get many extra blades and extra flybars and you're ready to start this hobby! The Walkera 4# does not break easily, if you have experience in controlling co-axial helicopter, this helicopter will be your best choice.

Here are some highlight features of the Walkera 4#

• Compact 90oswashplate structure is adopted and easy-to-be-mounted parts like servo are used.
• New 2.4G technology, with the functions of identification and precise code pairing, can allow above 20 aircrafts to fly in the same field and same time.
• High performance 370SH motor powered by 7.4V 800mAh Lipo offers 10- to 12-minute flight time, depending on your flight mode.

Metal Main Rotor Blades Set	Tail Rotor Blades Set
RX2421 2.4Ghz Receiver	Walkera 4# Canopy

• All-up Weight: 267g (Battery included)
• Servo: weight 9.1g / speed 0.12sec/60o(4.8V)/ torque 1.1kgf.cm / dimension 22.5*11.8*27mm
• Transmitter: WK-2401
• Receiver: RX-2421
• Gyro: Built-in
• Battery: 7.4V 800mAh Li-Po
• Tail Rotor Diameter: 146 mm
• Main Rotor Diameter: 485 mm
• Overall Length: 480 mm
• Tail Motor: 1220FE33Drive Motor: 370SH

	WK-HM-UFLY	WK-HM-4-2.4G
Overall Length	510mm	480mm
Main Rotor Dia.	520mm	485mm
Tail Rotor Dia.	145mm	146mm
Main Motor	Brushless Motor WK-WS-21-002	370SH
Tail Motor	N/A	1220FE33
Receiver	RX-2424A	RX-2421
Gyro	Built-in	Built-in
Battery	Li-Po 7.4V 800mAh	Li-Po 7.4V 800mAh
Transmitter	WK-2402 With LCD Mon	WK-2401

• 1 x Walkera HM 4# 2.4GHz Helicopter
• 1 x 4-channels 2.4G Receiver (RX-2421)
• 1 x 4-channels 2.4G Transmitter (WK-2401)
• 1 x 7.4V 800mAh Rechargeable Li-Polymer Battery
• 1 x Charger
• 1 x English And Chinese Manual