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Ki-67 with white surrender scheme and green crosses Matsuyama Base September 5, 1945
To-Gō suicide bomber Ki-67-I of Fugaku Special Attack Unit
Ki-67 Hiryu bombers on Formosa 5 September 1945
Captured Ki-67 Hiryu Clark Field Philippines
Captured Ki-67 tail
Ki-67 062 of the 14 Sentai
Ki-67 Peggy wreck Okinawa 1945
Captured Ki-109
Ki-67 7-77 of the 7 Sentai Clark Field 1945
Ki-67 “148” of the 74 sentai 1945
Ki-67 Hiryu in flight 3
The Mitsubishi Ki-67 “Hiryu” (飛龍, “Flying Dragon”) was a twin-engined heavy bomber used by the Japanese Imperial Army in World War II. Its Army designation was “Type 4 Heavy Bomber” (四式重爆撃機); the Allied code name was “Peggy”.
Design and Structure
- Type: Twin-engined Bomber
- Wings:
- Configuration: Mid-wing cantilever monoplane with equal taper and dihedral from roots to tips.
- Structure: All-metal construction with flush-riveted smooth metal skin. The wings feature hydraulically-operated split trailing-edge flaps inboard of the ailerons.
- Fuselage:
- Shape: Oval section all-metal semi-monocoque structure with a flush-riveted stressed skin covering.
- Tail Unit:
- Type: Cantilever monoplane type with an all-metal structure and stressed-skin covering. Trim-tabs are present in both the elevators and rudder.
- Landing Gear:
- Type: Retractable type, with the main wheels retracting backwards into the engine nacelles and a partly retractable tail-wheel. Retraction is hydraulically operated.
Power Plant
- Engines: Two Mitsubishi Ha 42 eighteen-cylinder two-row radial air-cooled engines, each producing 1,920 h.p. They include multi-blade cooling fans in the cowling openings and drive four-blade VDM type hydraulically-operated constant-speed full-feathering airscrews.
- Fuel and Oil: Protected fuel tanks are located in the wings and fuselage, with protected oil tanks in the leading edges of the wings.
Accommodation
- Crew: Typically composed of seven members: a nose gunner, two pilots, a radio operator, a turret gunner, a waist gunner, and a tail gunner. The pilot and co-pilot have armor protection.
Armament
- Guns: The aircraft is armed with one 20 mm cannon in a dorsal power-operated turret and four flexibly-mounted 12.7 mm machine guns. These are located one each in the nose, each waist blister, and the tail.
- Bombs: Internal bomb stowage is available for carrying bombs.
Dimensions
- Span: 73 ft. 5 in. (22.4 m)
- Length: 63 ft. 10 in. (19.4 m)
Weight and Performance
- Loaded Weight: 30,500 lbs. (13,850 kg)
- Maximum Speed: 346 mph (554 km/h) at 18,700 ft (5,700 m)