This is the E-flite Ultra-Micro UMX Yak 54 180 3D Bind-N-Fly Electric Airplane. No other aerobatic design meets the challenge and demands of precision and 3D versatility like the Yak 54 can. Recognized early on by the father of 3D, Quique Somenzini, his Yak 54 concept ushered in a new era of RC aerobatic agility that’s now possible to experience in small flying spaces indoors and out. The UMX Yak 54 180 offers incredible speed and thrust from its specially tuned brushless power system. But what truly makes this go-anywhere 3D thoroughbred truly special is its incredible AS3X System that delivers incredible precision so that you can perform aerobatics smoothly and the control authority to pop sharply into 3D maneuvers with the stability of a giant-scale aerobat. And despite its size, AS3X stability also helps you fly in moderate winds without seeing so much as a bobble, plus you’ll be able to hold high-alpha flight angles that have a locked-in feel.

AS3X Stabilization
The exclusive Artificial Stability – 3 aXis (AS3X) system helps take performance expectations in ultra micro aircraft a quantum leap higher. Based on the successful use of MEMS sensor technology within the AS3X Stabilization System essential to Blade ultra micro flybarless helicopters, the specifically tuned AS3X System for airplanes helps invisibly correct for turbulence, torque and tip stalls when encountered. Furthermore, the outstanding control agility delivers an ultra smooth, locked-in feel that obeys your every command with performance that’s natural feeling. It’s so gratifying, in fact, that it’s as though you’re the RC pilot of an expertly tuned, giant-scale model.

Features:

• AS3X for a great flight performance
• Lightweight, carbon-reinforced hollow core construction
• Spectrum AS6410NBL AS3X DSMX 6-channel receiver with brushless controller
• Powerful, efficient 180BL, 3000kV brushless motor
• Completely factory assembled and painted
• Built Side Force Generators for better 3D performance
• Four-channel control with articulated tail wheel
• 2S 150mAh 45C LiPo battery pack, which meets the high demands 3D
• Linear long-throw performance servos for crisp reactions
• Spektrum DX4e 4-Channel DSMX Transmitter

Specifications:
Wingspan: 17.8 in (452mm)
Overall Length: 16.1 in (410mm)
Wing Area: 78.7 sq. in. (508 sq. cm.)
Flying Weight: 2.5 oz (70 g)
Motor Size: 180-size brushless outrunner (installed)
Radio: MLP6DSM 6+ channel DSM2/DSMX transmitter
Servos: (4) 2.3-gram performance linear long-throw servos (installed)
Trim Scheme Colors: Blue, red, white
CG (Center of Gravity): 1.97 in (50mm) back from the leading edge of wing at wing root
Prop Size: 5.75 x 2.5
Recommended Motor Battery: 7.4V 2S 150mAh 45C LiPo (included)
Control Throw (Ailerons): Low: 70% up/down, 15% expo; High: 100% up/down, 25% expo
Control Throw (Elevator): Low: 70% up/down, 25% expo; High: 100% up/down, 30% expo
Control Throw (Rudder): Low: 25% right/left, 10% expo; High: 100% right/left, 15% expo
Approx. Flying Duration: 4 minutes
Charger: 2S DC Li-Po balancing charger (included)
Is Assembly Required: No
Plane Type: Aerobatic & 3D
Experience Level: Intermediate
Power Plant Size: 180-280 Electric
Recommended Environment: Indoor/Outdoor
Fuel Type: Electric

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