Flight ready in just minutes Design based on Hangar 9’s Alpha trainer Large magnetic hatch for easy access to electronics E-flite Park 450 brushless motor installed 25A Brushless ESC installed Four E-flite S75 Sub-Micro Servos installed Tough aluminum landing gear Steerable nose-wheel Genuine UltraCote® trim scheme The Alpha Sport 450 ARF combines the mild manners of a highwing trainer with all the fun of a sport aerobatic plane, making it the perfect companion for a few care-free hours at the local park or playground. This convenient Plug-N-Play® version comes out of the box nearly flight-ready with the motor, ESC and servos installed. You provide the radio system of your choice, an 1800mAh 3S Li-Po battery and a charger. Just charge your battery pack while you complete assembly and install the receiver and you can be flying in minutes. Wingspan: 48.5 in (1230mm) Overall Length: 40.0 in (1015mm) Wing Area: 395 sq in (25.5 sq dm) Flying Weight: 28–29 oz (790–820 g) with battery Motor Size: 450 Brushless Outrunner, 890Kv installed Radio: 4+ channel Trim Scheme Colors: HANU873 (Deep Blue), HANU870 (White), HANU866 (True Red) CG (center of gravity): 3.25 to 3.5 inch (82 to 88mm) back from leading edge