2 articles
The origins of the D4Y can be traced back to 1938, when the Imperial Japanese Navy Aviation Bureau (Kaigun Kōkū Hombu) issued requirements for a carrier-based dive bomber to replace the Aichi D3A. The emerging aircraft would be a [...]
The origins of the Airacobra can be traced back in 1937, when USAAC issued a specification calling for a single-engine high-altitude interceptor. The aggressive specifications called, among others, for a liquid-cooled Allison engine [...]