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ARK X-400 PRO EP HELICOPTER KIT


Length630mm (25 inches)
Height225mm (9 inches)
Main Rotor588mm (23 inches)
Tail Rotor150mm (6 inches)
Flying Weight580 - 650 grams (20.5 - 23 ounces)
Requires6 channel heli-radio w/4 micro servos, gyro, brushless motor & ESC,

SPECIAL PROMOTION:, , Gear Drive Ratio : 1:9.85:5,

ARK's electro-powered X-400 time and time again offers some of the best flying in the industry. This Almost-Ready-To-Fly heli is ideal for almost any type of pilot who demands lightweight, precise control, 3-D capability, and minimum building time. The durable polypropylene canopy is designed for any flying conditions. Terrific upgrades available for the X-400 can make it an even better flying machine.

Customers may get FREE ARK X-400 parts if they buy this helicopter. The parts are subject to availability and customers will have to pay for the shipping cost.

Please click HERE to view full list of parts

ARK-122 Speed Controller (25A)

ARK-125 BL Motor

Precision balanced wooden rotor blades

Rigid, lightweight aluminum frame

Aluminum tail boom

Precision belt drive system control

Aluminum landing skids

Full ball bearing

Weight 320 grams (11.3 ounces)

Lithium-Polymer battery pack


Check price and availability


Found 11 years, 8 months ago



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