PHOENIX V4 220cc Self Made Engine

Detlef Kunkel presenting his self made engine at the Warbird Meeting Oberhausen 2017 SORRY FOR THE HEAVY WIND NOISE during the flight. Data: The engine is a V4 construction 4 cylinder 4 stroke with 220 cc with a transmission reduction of 1. 7. The shaft power is 25 hp max. . Designed for model aircraft between 30 and 50 kg takeoff weight. Prop is a SEP 3520 threeblade with 3700 3800 revolutions. The aircraft was built specifically for this engine testing. It is an approved highdecker with 41 kg takeoff