WP BÜCKER JUNGMANN Graupner 6257 The GRAUPNER BÜCKER JUNGMANN is a mini-sized aerobatic biplane featuring full-house controls. The wings are of moulded styrofoam construction and feature integral ailerons and moulded-in rib positions. The model offers excellent aerobatic capability powered by the proven SPEED 400 FG geared electric motor, and represents a further enrichment of the successful SPEED 400 class. Building instructions in German, English and French. Moulded styrofoam® fuselage, top and bottom wings; CNC-cut high-density tail panels and fuselage covers. Vacuum-moulded white ABS motor cowl, clear plastic windscreens, pre-formed main and tail undercarriage units, two 45 mm Ø AIR UL wheels, one 15 mm Ø foam rubber tailwheel, decal sheet, small parts and linkage hardware pack. Ailerons: 2 x C 261 servos, Order No. 5125.LOSE
Rudder: 1 x C 261 servo, Order No. 5125.LOSE
Elevator: 1 x C 261 servo, Order No. 5125.LOSE
Throttle: 1 x PICO 25 speed controller, Order No. 7172 Wingspan approx. 900 mm
Overall length approx. 830 mm
Wing section semi-symmetrical
Tailplane section flat plate
Wing area approx. 28.0 dm²
Tailplane area approx. 4.0 dm²
Total surface area approx. 32 dm²
All-up weight min. approx. 600 g
Total surface area loading min. approx. 18.75 dm²
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