Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a Injin ejima, onye njem isii na-agbanwe nke B.2.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Twin engine, isii onye njem na-agbanwe nke B.2 na Wright J-5 itoolu-cylinder radials. "