Construction: Balsa and ply
Wings: Two-piece with NACA airfoil, aluminum wing joiner, wing
attaches with bolts
Aileron Control: Dual servo
Covering: High quality heat shrink covering
Landing Gear: Tricycle type, prebent wire with --" (--mm) diameter
wheels
Spinner: Plastic 2.1" (53mm) diameter
Fuel Tank: oz ( cc) approximate
Engine Mount: Two-piece composite
Motor Mount: Plywood

ARF Sonic Mk2 Trainer, Tricycle Landing Gear, Wheels, Engine Mount
Motor Mount, Fuel Tank and Instruction Manual

Radio: 4-channel minimum
Servo: 5 standard,: 2-aileron; 1-elevator; 1-rudder;
1-throttle (if using glow engine)
Receiver Battery: 4.8-6V / 800-1200mAh NiMH
For electric power;
Brushless Motor: Rimfire .32
ESC: 30-40A, to match selected motor
LiPo Battery: 3S, at least 2000mAh
Battery Charger: Compatible with selected battery
LiPo charging bag, propeller, field equipment
Glow Power;
Engine: .25-.32 cu in 2-stroke
Propeller: For selected engine
Glow fuel, glow starter, field equipment

Wingspan: 52.7" (1340mm)
Length: 40.9" (1040mm)
Flying Weight: - oz (1800 - 2000g)
Wing Area: sq in (27 sq dm)
Wing Loading: (79g/sq dm)
Wing Type:
Configuration: High wing
Servo Mount: 0.83 x 1.6" (21 x 42mm)
Center of Gravity: 2.5 -2.7" (65 - 70mm) back from the leading
edge of the wing measured at the fuselage
Control Throws- Low High
Ailerons: 0.31" (8mm) 10% Expo 0.39" (10mm) 10% Expo
Elevator: 0.31" (8mm) 12% Expo 0.39" (10mm) 12% Expo
Rudder: 0.98 (25mm) 15% Expo 1.6" (40mm) 15% Expo