Japanese two-seat, twin-engined fighter.

Design and Structure

• Type: Twin-engined Fighter

• Wings:

  • Configuration: Mid-wing cantilever monoplane with equal taper and rounded tips.
  • Structure: All-metal with smooth, stressed skin and flush-riveted surface. It features split trailing-edge flaps positioned between the ailerons and the fuselage.

• Fuselage:

  • Shape: Oval section with an all-metal semi-monocoque structure and smooth stressed-skin covering.

• Tail Unit:

  • Type: Cantilever monoplane design with an all-metal framework.
  • Covering: The tailplane and fin are metal-covered, while the elevators and rudder are fabric-covered. The rudder has a shielded horn balance, and its hinge line does not extend below the top of the fuselage.

• Landing Gear:

  • Type: Retractable, with hydraulic retraction. The main wheels retract backwards into the engine nacelles, and hinged doors enclose the wheels within the nacelle contours. It also includes a retractable tail-wheel.

Power Plant

• Engines: Two Mitsubishi Type 1 (Ha 102) fourteen-cylinder, two-row radial air-cooled engines, each producing 1,050 hp. The engines are equipped with two-speed superchargers and drive three-blade Hamilton type constant-speed airscrews. The fuel tanks are located in the wings.

Accommodation

• Crew: Two, consisting of a pilot and a rear gunner.
• Cockpit: The pilot's cockpit is located over the leading edge of the wings, while the rear gunner's position is over the trailing edge.

Armament

• Nose Armament:
  • Two 12.7 mm machine guns
  • Possible addition of a 20 mm or 37 mm cannon in the nose
• Rear Cockpit Armament:
  • Two 7.7 mm machine guns on a flexible mounting
• Additional Armament:
  • Two 20 mm fixed guns behind the pilot's cockpit, inclined to fire upwards.

Dimensions

• Span: 49 ft. 6 in. (15 m)
• Length: 34 ft. 5 in. (10.5 m)
• Wing Area: 365 sq. ft. (34 sq. m)

Weights

• Empty Weight: 8,340 lbs. (3,790 kg)
• Loaded Weight: 12,000 lbs. (5,450 kg)

Performance

• Maximum Speed: 355 mph (568 km/h) at 16,400 ft. (5,000 m)
• Climb Rate:
  • To 10,000 ft. (3,050 m) in 4 minutes
  • To 20,000 ft. (6,100 m) in 9 minutes
• Service Ceiling: 35,000 ft. (10,680 m)
• Range: 640 miles (1,025 km)