AMAZING BACKWARDS FLYING INVERTED PROP HANGING 4 D AEROBATIC DELRO RAVEN MARKUS RUMMER 2018

MARKUS RUMMER OF HACKER MOTORS FAME DESIGNED THIS AMAZING MODEL HIMSELF SHES CALLED THE DELRO RAVEN AND HAS A SPAN OF 2. 8 MTRS, POWERED BY A KEY 100 HACKER EP MOTOR DRAWING 240 AMPS, HE FLIES HER ON A JETI DS 24 TX, SHES CAPABLE OF INVERTED REVERSABLE PROP HANGING REVERSE STALL TURNS AND THE AWESOME REVERSE TAXING ON THE GROUND THE RAVEN EVEN SEEMS TO DEFIE GRAVITY USING ITS REVERSABLE PITCH VARIABLE GEOMETRY PROP WHICH ARE IN FACT HELICOPTER BLADES MARKUS PUT ON A UNIQUE DISPLAY NEVER BEF