Mitsubishi G4M

Mitsubishi G4M
Kraju	Japonia
Roli	Średni bombowiec/bombowiec torpedowy
Pierwszy lot	23 października 1939 r.
Zbudowany	2435

Tthe Mitsubishi G4M Był dwusilnikowym, lądowym średnim bombowcem produkowanym wcześniej przez Mitsubishi Aircraft Company, część Mitsubishi Heavy Industries, i eksploatowany przez Cesarską Marynarkę Wojenną Japonii w latach 1940-1945. Jego oficjalna nazwa to Mitsubishi Navy Type 1 attack bomber (中式陸上攻撃機, 中式陸攻 Ichishiki rikujō kōgeki ki, Isshikirikukō) i był powszechnie określany przez japońskich pilotów marynarki wojennej jako Hamaki (葉巻, "cygaro", oświetlone" roll liści") ze względu na cylindryczny kształt kadłuba. Aliancka nazwa sprawozdawcza to "Betty".

Źródła: Mitsubishi G4M na Wiki

Mitsubishi G4M
Fotografów	Jezioro Kawaguchi
Lokalizacja	Park Lotniczy Japonia
Zdjęcia	33

Mitsubishi G4M Betty 01

Mitsubishi G4M Betty 02

Mitsubishi G4M Betty 04

Mitsubishi G4M Betty 03

Mitsubishi G4M Betty 06

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Mitsubishi G4M Betty 07

Mitsubishi G4M Betty 08

Mitsubishi G4M Betty 09

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General Characteristics

The Mitsubishi G4M (Allied reporting name: Betty) was a twin-engine land-based attack bomber used by the Imperial Japanese Navy Air Service during World War II. Designed by Kiro Honjo, its development prioritized extremely long range to meet the vast distances of the Pacific theatre, a requirement that necessitated large fuel tanks and a lightweight airframe. This design decision famously led to a lack of protective armor and self-sealing fuel tanks in the early models, making the aircraft highly vulnerable to enemy fire—earning it the derisive Allied nickname, “The Flying Lighter,” and the Japanese nickname, “Hamaki” (Cigar) for its cylindrical fuselage shape. Despite its fragility, the G4M was responsible for the crucial sinking of the British capital ships HMS Prince of Wales and HMS Repulse in 1941.

Property	Typical Value (G4M1 Model 11)
Roli	Long-Range Land-Based Bomber / Torpedo Bomber
National Origin	Japonia
Producent	Mitsubishi Jukogyo K.K.
First Flight	October 23, 1939
Service Entry	1941
No. Built	Over 2,400 (all variants)
Załogi	7 (Pilot, Co-Pilot, Navigator/Bombardier, Radio Operator, 3 Gunners)
Długość	19.97 m (65 ft 6 in)
Rozpiętość	24.89 m (81 ft 8 in)
Max Takeoff Weight	12,860 kg (28,351 lb)

Powerplant and Performance

Engine: 2 x Mitsubishi MK4A Kasei 11 14-cylinder air-cooled radial piston engines (G4M1).
Power Output (Kasei 11): 1,140 kW (1,530 hp) for takeoff.
Maximum Speed (G4M1): 428 km/h (266 mph) at 4,200 m (13,780 ft).
Maximum Speed (G4M2): Approx. 437 km/h (271 mph) at altitude.
Cruise Speed: Approx. 315 km/h (196 mph).
Service Ceiling: 8,500 m (27,890 ft) (G4M1) to 9,700 m (31,820 ft) (G4M3).
Maximum Range (G4M1 – Ferry): Up to 5,040 km (3,130 mi).
Maximum Range (G4M3 – Reduced Range): 4,330 km (2,690 mi) (due to armor/self-sealing tanks).

Armament and Variants

Defensive Armament (G4M1):
- 1 x 20 mm Type 99 cannon in the tail turret.
- 4 x 7.7 mm Type 92 machine guns (one in the nose, one in the dorsal turret, two in waist positions).
Offensive Load: Carried internally in a bomb bay:
- One 858 kg (1,892 lb) Type 91 aerial torpedo, or
- Up to 1,000 kg (2,205 lb) of bombs (e.g., four 250 kg bombs).
Key Variants:
- G4M1 (Model 11): Initial production model, optimized for range.
- G4M2 (Model 22): Uprated Kasei 21 engines, four-bladed propellers, improved dorsal turret, and larger wings for better high-altitude performance.
- G4M3 (Model 34): Late-war attempt to improve survivability by adding armor and self-sealing fuel tanks, resulting in a significant reduction in fuel capacity and range.
- G4M2e (Model 24J): Modified to carry and launch the MXY7 Ohka piloted rocket missile (suicide bomb).