*AMAZING* BACKWARDS FLYING & INVERTED PROP HANGING 4D 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