Professors I. Tani and T. Ogawa from the Aeronautical Institute of the Imperial University of Tokyo designed a flying bomb based on the German V-1s with slight variations according to the means available in Japan at the end of WWII. The engine was a 360 Kgf thrust Maru-Ka-10 pulse jet.

“Installation similar to the V-1”

“Maru-Ka-10 pulse jet”

-Regarding the German Argus engines it differed substantially in the design of the combustion chamber.