VAN RV4 by Grupp
VAN RV4 by Grupp Modellbau
Scale plane of the aerobatic trainer made of wood
wingspan: 2,90 m
length: 2,58 m
weight: 19800 g
engine: DLE 111 Boxer with Krumscheid mufflers
battery: 2 x 2S Lipo with 3300 mAh
propeller: Falcon CfK three blade 25 x 12
RC: Spektrum DX 18 V2 with Powerbox Mercury and Spektrum Satellite receiver

maiden flight was performed on May 25th, 2017
click here to go to the video of my RV-4 in YouTube

I published a detailled report of this plan in the german magazine FlugModell 11 / 2017
report in FlugModell 11 / 2017 click here

VAN RV4 von Grupp

VAN RV4 von Grupp

VAN RV4 von Grupp

VAN RV4 von Grupp

VAN RV4 von Grupp

VAN RV4 von Grupp

 Antrieb DLE 111 Boxermotor