Kyūshū J7W1 Shinden, japanese fighter aircraft prototype of WWII. The model is build by Josef: Wingspan: 250 cm; airborne Weight: 18 kg; Engine: ZG 62 with tuned pipe, engine rotation direction changed, it rotates counterclockwise. Our excellent pilot Martin celebrated two successful flights. Camera and cut by Hartmut. Slow motion included at the end of the video.