The Kawasaki Ki-61 Hien is a Japanese World War II fighter aircraft. Used by the Imperial Japanese Army Air Service, it was designated the "Army Type 3 Fighter". Allied intelligence initially believed
Ki-61-I-Ko of the 37th Training Squadron stationed at Matsuyama Airfield,Taiwan. March 1944.
Kawasaki Ki-61 Hien with drop tank
A captured Kawasaki Ki-61 fighter tested by the U.S. Navy Naval Air Test Center Patuxent River, Maryland (USA), in June 1945
Capt. Teruhiko Kobayashi's Ki-61 of the 244th Sentai
The Kawasaki Ha40, also known as the Army Type 2 1,100 hp Liquid Cooled In-line and Ha-60, was a license-built Daimler-Benz DB 601Aa 12-cylinder liquid-cooled inverted-vee aircraft engine. The Imperia
Kawasaki Ki-61
…Koku Hombu for two fighters, each to be built around the Daimler-Benz DB 601Aa. Production aircraft would use a Kawasaki licensed DB 601, known as the Ha-40, which was to be manufactured at its Akashi plant. The Ki-60 was to be a heavily armed specialised interceptor, with a high wing loading; the Ki-61 was…
Preserved Daimler-Benz DB 601.
DB 601A, partially sectioned (right side)
Ha40 at the National Museum and Art Gallery, Port Moresby.
Ha40 detail, National Museum and Art Gallery, Port Moresby.