Aircraft › Ki-43-IKi-43-Ib一式戦闘機一型乙一式戦闘機一型乙Modification ofKi-43-IChangesOne gun replaced by a 12.7 mm Ho-103; ru: from late 1941.Crew1EngineNakajima Ha25Engines1Blades2PitchTwo pitchMax speed495 km/hMax speed altitude4,000 mArmamentWeaponCountPositionSynchronized八九式固定機関銃1FuselageTrueホ1031FuselageTrue