G4M1 Model 11

一式陸上攻撃機一一型

Family
G4M
Class
Bomber
Produced
1,170
Changes
First production version, accepted on 2 April 1941, with Kasei 11 engines; no armour or self-sealing tanks. From March 1942 some, and from the 406th aircraft in August 1942 all, had the Kasei 15 with a larger supercharger (often wrongly called Model 12). From the 663rd aircraft (March 1943) 30 mm rubber sheets under the wing tanks and 5 mm armour in the tail position; redesigned tail cone from August 1943. Built until January 1944; the total excludes the two prototypes and the 30 G6M1.
Crew
7
Length
19,970 mm
Wingspan
24,890 mm
Height
4,900 mm
Wing area
78.125 m²
Normal takeoff weight
9,500 kg
Engine
Mitsubishi MK4A Kasei 11
Engines
2
Blades
3
Pitch
Constant speed
Max speed
428 km/h
Max speed altitude
4,200 m
Service ceiling
9,100 m
Self sealing tanks
False

Climb time

AltitudeTime, min
7,000 m18

Armament

WeaponCountPosition
九九式一号機銃1Turret
九二式七粍七機銃4Flexible

Loadouts

NameArmament
Type 91 torpedo九一式航空魚雷
800 kg bomb—
4 × 250 kg—

Service

≈ Jul 1941 – 1 Sep 1941
≈ 8 Dec 1941 – Feb 1944
≈ 8 Dec 1941 – 15 Feb 1942