For the serious historian, the B1A10 is a reminder that progress is rarely linear. It is built on the wreckage of what came before.
The IJN realized that horizontal bombing from moving carriers was wildly inaccurate against maneuvering ships. Dive bombing—attacking at a steep 60-90 degree angle—offered accuracy. Thus, the competition was launched. mitsubishi b1a10
| Aircraft | Nation | Power | Top Speed | Bomb Load | Production | | :--- | :--- | :--- | :--- | :--- | :--- | | | Japan | 520 hp | 167 mph | 250 kg | 5 (prototypes) | | Nakajima B1N1 | Japan | 500 hp | 155 mph | 250 kg | 1 (prototype) | | Curtiss F8C-4 Helldiver | USA | 450 hp | 141 mph | 227 kg | ~100 | | Hawker Hart (DB variant) | UK | 525 hp | 184 mph | 227 kg | ~20 | For the serious historian, the B1A10 is a