Detlef Kunkel presenting his home 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 weight. The engine cover has been dismantled for test purposes.

Music:
Music downloaded from the YouTube Audio Library
https://www.youtube.com/audiolibrary/...

Artist: Silent Partner
Title: Solar Flares