A night flight of Jurgen's amazing F4U Corsair. At 3.1 metres wingspan how did he manage to keep it to only 4 KG with it's wing folding mechanism and twist and turn retractable landing gear ?! Amazing building and flying skills demonstrated here...

GIANT but SUPER LIGHT INDOOR FLIGHT 1:4 SCALE RC F4U CORSAIR (FOLDING WINGS / TWIST & TURN RETRACTS) (4 min 54 sec)