Model: Boeing Vertoel KV-107 II Rotor Diameter: 2x 2,30m Take-off weight: ??? Engine: Electro Pilot: Hugo Markes Meeting: Hausen Flight Days RC Airshow .<br />Model: Boeing Vertoel KV-107 II Rotor Diameter: 2x 2,30m Take-off weight: ??? Engine: Electro Pilot: Hugo Markes Meeting: Hausen Flight Days RC Airshow .