Project Z

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Project Z
Role Long-range Heavy Bomber Requirement
National origin Japan
Manufacturer Several
Variants Nakajima G10N, Kawasaki Ki-91, and Nakajima G5N

The Project Z (also called the Z Bombers Project) was a military project of the Empire of Japan, similar to the Nazi German Amerika Bomber project, to design an intercontinental bomber capable of reaching North America.

The planned aircraft[edit]

The Project Z plane was to have six engines of 5,000 horsepower each; the Nakajima Aircraft Company quickly began developing engines for the plane, and proposed doubling HA-44 engines (the most powerful engine available in Japan) into a 36-cylinder engine.[1]

Designs were presented to the Imperial Japanese Army, including the Nakajima G10N, Kawasaki Ki-91, and Nakajima G5N. None, save for the G5N, developed beyond prototypes or wind tunnel models. Late in the war, the Z project and other heavy bomber projects were cancelled.

See also[edit]


  1. ^ Horn, Steve (2005). The Second Attack on Pearl Harbor: Operation K and Other Japanese Attempts to Bomb America in World War II. Naval Institute Press. p. 265. ISBN 978-1-59114-388-8.

External links[edit]