WP SU-31 Graupner 9008 The new GRAUPNER BF-109, CHIPMUNK AND SUKHOI 31 are detailed RC models based on the full-size aircraft. The highly decorative colour schemes are factory-applied to the model components, and the aeroplanes can be assembled ready-to-fly very quickly. The recommended SPEED 400 power set is attached to the prepared motormount using four screws, while the Li-Po batteries are installed in the underside of the fuselage under a battery flap with quick-release latches. The models feature "full-house" controls, and look totally convincing in the air. Building instructions in German, English and French. All primary model components of 3 mm thick high-density foam, including fuselage, wings and tail panels. Most of the vacuum-moulded parts are supplied coated with a thin decorative film, complemented by painted vacuum-moulded parts. All control surfaces attached using hinges.Pre-formed undercarriage unit, 40 mm Ø foam rubber wheels, wheel spats, small items and linkage hardware pack. Rudder
Elevator
Ailerons
Speed controller Wingspan approx. 860 mm
Overall length approx. 655 mm
Wing area 12.90 dm²
Tailplane area approx. 3.04 dm²
Total surface area approx. 15.94 dm²
Total surface area loading approx. 26.66 g/dm²
All-up weight approx. 425 g
Airspeed approx. 5 m/s
Flight time per battery charge approx. 15 min