Nothing! Everything you need to fly is included in the box.
The big coaxial helicopter anyone can fly.
With the Blade® CX4 helicopter, learning to fly is fun, not frustrating. The self-stabilizing characteristics of its coaxial, counter rotating blades make hovering easy. So easy in fact, you’ll look like a pro after just a few flights. Besides being incredibly stable, the CX4 is a little bigger than most coaxial helis in its class. It also comes with smart safety features that help you relax and fly with confidence. This includes things like a shock-absorbing landing gear and rubber-coated leading edges on the rotor blades. The rotor blades are also hinged at the hub so they will give in the event of a blade strike.
Counter-rotating rotor blades
First-time pilots will be able hover the Blade CX4 like a pro after just a few flights. Its counter-rotating rotor blades give it a natural stability that makes learning to fly easy. If you ever get in trouble, just let go of the control sticks. The Blade CX4 will return to a hover all by itself.
Hinged, rubber-coated rotor blades
The rubber-coated rotor blades are hinged at the hub so they give in the event of a blade strike.
Shock-absorbing landing gear
Soft mounts on the landing gear absorb shocks from hard landings.
|Approx Flying Duration:||7-8 minutes|
|Battery:||800mAh 11.1V 3S 30C LiPo (included), 800mAh 11.1V 3S 30C LiPo (included)|
|Flying Weight:||14.6 oz (414 g), 14.6 oz (414 g)|
|Is Assembly Required:||No|
|Main Rotor Blade Length:||8.1 (205mm), 8.1 (205mm)|
|Main Rotor Diameter:||18.1 in (460mm)|
|Number of Channels:||4|
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