Ki-60
From Warlike
Q548943
The Kawasaki Ki-60 was an experimental Japanese pre-World War II fighter aircraft that used a license-built (Kawasaki) DB 601 liquid-cooled engine. This was, at that time, an unusual choice because the majority of Japanese aircraft at that time used air-cooled radial engines.
Wikimedia, Wikidata
KI60; Kawasaki Ki-60
single-seat fighter, Japan, 
Kawasaki KI-60 prototype 1941Kawasaki KI-60 prototype 1941
sideshot of the second prototype Kawasaki Ki-61,1942
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