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Ki-49 Donryuu

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The Nakajima Ki-49 (code name «Helen»), is a Japanese medium/torpedo bomber. There are four variants of the Ki-49: the Ki-49-I, Ki-49-IIa, Ki-49-IIb, and Ki-49-IIb (Late). They differ in performance and defensive armament, while their bomb loads are identical, with 12x 50kg bombs, 4x 250kgs bombs, 1x 500kg bomb, or 1x 1000kg bomb. The Ki-49-1 and Ki-49-lla are tier II while the Ki-49-llb and Ki-49-11b/L are tier lll.

K-49-I DonryuEdit

Ki-49-I
Ki-49-I
Note: Base stats only (no upgrade installed)
Rank 2
Battle Rating 3.3
Type Medium Bomber
Maximum Speed on height 464 km/h
Maximum Altitude 9000 m
Turn Time 29.0 seconds
Rate of Climb 12.5 m/s
Takeoff Run 677 m
Armament 6x Turret: 7.7mm Type 89 machine guns 1x (3762 rds))

The development of a new medium bomber (heavy bomber, by Japanese standards) for the Japanese Army Air Force began in the spring of 1938. The new airplane was to replace the Mitsubishi Ki-21 bomber.

Based on Japan's experience in its war with China, special attention was given to providing the bomber with high speed capabilities and strong defensive weaponry so that it could operate without fighter cover. The crew needed protective armor, and self-sealing fuel tanks were essential.

The first prototype of the Ki-49 (#4901) made its first flight in August of 1939. Production of the aircraft began in August 1940, and the plane was designated as the Nakajima Ki-49-I Donryu («Storm Dragon»), type 100 model 1.

The Ki-49-I was equipped with two air-cooled 14-cylinder radial Hakadzima Ha-41 engines rated at 1250 hp each. The plane's defensive armament included 1 Ho-1 Type 97 20mm cannon in the upper fuselage and five 7.7mm Type 89 machine guns (which were significantly modernized versions of the Vickers), located in the nose, sides, and underneath the aircraft. In addition, one gun was located in a tail turret, the first time such a turret was employed by an aircraft of the Japanese army. The bomb bay, which occupied almost the entirety of the aircraft's middle section, could carry bombs ranging from 100 to 250 kilograms, in various combinations. A normal load was 750 kilograms, an overweight load, up to 1000.

The new planes began to be delivered to the front in August of 1941 and were widely used over New Britain and New Guinea as well as in raids on the Australian port of Darwin.

It soon became evident that the Ha-41 engine's power was insufficient, and the controllability of the aircraft suffered as a result. The bomber's speed was not high enough to outrun the newer fighter planes. However, pilots approved of the plane's armor, the power of its defensive weaponry, and the reduction of that weaponry's «blind spots.»

In all, 128 Ki-49-I aircraft were constructed.

Skins Edit

61st Sentai French Indochina 1944: Destroy 200 ground units

K-49-IIa DonryuEdit

Ki-49-IIa
Ki-49-IIa
Note: Base stats only (no upgrade installed)
Rank 2
Battle Rating 3.3
Type Medium Bomber
Maximum Speed on height 500 km/h
Maximum Altitude 9300 m
Turn Time 30.0 seconds
Rate of Climb 12.5 m/s
Takeoff Run 650 m
Armament 5x Turret: 7.92mm MG-15 machine guns 1x (4050 rds)
1x Turret: 20mm Type 97 cannon (450 rds)

In the spring of 1942, it was decided that the Ki-49 should be fitted with new engines, the Nakajima Ha-109 radial piston engines, rated at 1450 hp. This required only a slight modification of the engine nacelles, as the new engine was a similar size to that of its predecessor. However, the oil cooler could not fit inside the nacelle along with the engine and was put outside, instead. Other changes were made to improve combat conditions: the armor protecting the airplane's crew was upgraded and self-sealing fuel tanks were installed, as well as a new bomb sight.

The defensive armament remained similar to that of the Ki-49-I, but the Type 89 machine guns were replaced with Type 98 7.92mm machine guns (which were based on the Rheinmetall-Borsig MG.15). Normal bomb carrying capacity was increased to 1000 kilograms.

Skins Edit

95th Sentai Papua New Guinea 1943: Destroy 200 ground units











K-49-IIb DonryuEdit

Ki-49-IIb
Ki-49-IIb
Note: Base stats only (no upgrade installed)
Rank 7
Battle Rating {{{rating}}}
Type Medium Bomber
Maximum Speed on height 492 km/h
Maximum Altitude 9300 m
Turn Time 42.7 seconds
Rate of Climb 12 m/s
Takeoff Run 877 m
Armament 3x Turret: 12.7mm Ho-103 machine gun 1x (750 rds)
1x Turret: 20mm Type 97 cannon (450 rds)
2x Turret: 7.7mm Type 89 machine gun (2000 rds)

In the spring of 1942, it was decided that the Ki-49 should be fitted with new engines, the Nakajima Ha-109 radial piston engines, rated at 1450 hp. This required only a slight modification of the engine nacelles, as the new engine was a similar size to that of its predecessor. However, the oil cooler could not fit inside the nacelle along with the engine and was put outside, instead. Other changes were made to improve combat conditions: the armor protecting the airplane's crew was upgraded and self-sealing fuel tanks were installed, as well as a new bomb sight. The defensive armament remained similar to that of the Ki-49-I, but the Type 89 machine guns were replaced with Type 98 7.92mm machine guns (which were based on the Rheinmetall-Borsig MG.15). Normal bomb carrying capacity was increased to 1000 kilograms.

In August of 1942, the new version of the Donryu entered production, under the designation Ki-49-IIa (model 2Ko). However, the fighters' machine guns were soon proven to be ineffective against Allied fighters, so a new modification, the Ki-49-IIb (model 2Otsu) was designed with stronger defensive weaponry. In the bow, stern, and lower firing locations, the Type 98 7.92mm machine guns were replaced with Ho-103 12.7mm machine guns (the Type 1 Japanese version of the Browning M2.50). The two guns on the aircraft's sides were replaced with the original Type 89 7.7mm machine guns. The bomb load remained unchanged. In later series, the Ki-49-IIb's common exhaust was replaced with several separate pipes.

The Ki-49-II bombers were unable to completely replace the older models in service. They were used mainly in New Guinea and China, and, in October of 1944, they took active participation in the Battle of Leyte. The Ki-49 was used as both a day and a night bomber as well as for long-range reconnaissance, transport, and anti-submarine patrols. Towards the end of the war, they were used in kamikaze units. For kamikaze missions, the Ki-49 was stripped of all defensive armaments, the crew was reduced to two pilots, and the bomb load was increased to 1600 kilograms.

Skins Edit

2nd Chutai 74th Sentai Philippines 1944/45: Destroy 250 ground units

6 Ki49-IIc 2nd chutai 74th sentai

2nd Chutai 74th Sentai

IIb/L- 3rd Chutai 62nd Sentai Burma 1944: Destroy 250 ground units

7 Ki49-IIbL 62nd sentai 3rd chutai

3rd Chutai 62nd Sentai

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