Ki-49-IIb Donryu

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General info

The Ki-49-IIb Donryu in the garage.

The Ki-49-IIb Donryu is a Rank III Japanese twin engine medium bomber with a battle rating of 3.7 (AB/RB) and 4.0 (SB). It was in the game since the start of the Open Beta Test prior to Update 1.29.

The main purpose, usage and tactics recommendations

General play style

The Ki-49's role is a low-altitude medium bomber capable of destroying ground targets such as pillboxes and tanks. Although hindered by a low total bomb capacity, this aircraft is renowned for its impressive maneuverability. This being said, it is very easy for the Ki-49 to hover above an area and drop all of its payload rather quickly. Heavy bombers such as the G8N1 Renzan have a harder time due to their sheer size and slow rate of turn. Make sure to select either of the 4 x 250 kg bomb load outs if attacking targets like tanks, pillboxes, bases or smaller ships or use the 1 x 800 kg Navy Type Number 80 Model 1 bomb to attack large vessels (Aircraft carriers, battleships or heavy cruisers).

Vehicle characteristics

Tactics

If attacked by fighters, it is important to remember and recognize the Ki-49's turning capabilities. It is actually possible to win lateral turn fights against fighters with this aircraft. Try not to act like a "sitting duck" because the Ki-49 features little armor protection and has limited defensive capabilities as far as weapons go. If found in a sticky situation, the hard hitting 20mm dorsal cannon is deadly. The only problem is that it isn't located directly on the tail. If an enemy is directly behind or below the Ki-49, the 20mm tail gunner's arc will not reach it. Therefore, one may need to change altitude in order to have the enemy plane both above and behind you. Pulling hard maneuvers will throw the enemy off and allow you to set up for more defensive fire.

This aircraft has the ability to hold up to 1000 kg of bombs in several different variations. 12x 50 kg bombs, 2 versions of 4x 250 kg bombs, 1x 500 kg bomb, and 2 versions of 1x 800 kg bomb. Use the 12x 50 kg bombs to attack light tanks and light pillboxes. They are not viable against bigger targets, since direct hits are needed to destroy. This load out is particularly useful on maps like Zhengzhou where there is an abundance on non moving targets (light pillboxes). Use either of the 4x 250 kg bomb versions to destroy heavier targets such as medium tanks, pillboxes, destroyers, and cargo ships. Although different in real life, both kinds of 250 kg and 800 kg bomb seem to do the exact same thing. It is purely up to choice which variation to use. It is not recommended to use the 500 kg bomb simply because one can opt for the 800 kg bomb with only a slight performance decrease. In any case, use either of these bombs to destroy targets like carriers or mini bases.

In arcade battles, this aircraft is particularly proficient at bombing bases, especially with a maxed reload crew skill. Since the Ki-49 can virtually turn on a dime, instead of having to line up longer bombing runs like heavy bombers you can "hover" over the base or airfield and attempt dive attacks. The 800 kg bomb is useful here because you only have to drop one bomb instead of spamming multiple. It's also possible to use this same tactic against pillboxes or tanks. With fighter cover, a good reload time skill and good aim it's possible to destroy dozens of ground units.

Although unconventional, this aircraft is a fantastic weapon if you want to bait the enemy. Ideally, you would want to attract a higher flying enemy down to you and to get into a turn fight. This way, depending on the enemy aircraft you can out maneuver and distract him while teammates fly down to finish him off. Also if the enemy aircraft attacks from above, the 20mm Ho-1 cannon can do a lot of damage.

Specific enemies worth noting

  • North American Aviation B-25J Mitchel (This is due to the firepower the B-25J has with its nose mounted machine guns and its air spawn).
  • Bristol Beaufighter (This heavy fighter has 4 20mm cannons and can destroy the Ki-49-IIb with relative ease).
  • Northrop P-61 Black Widow (This heavy fighter has 4 20mm cannons and 4 machine guns. This level of firepower can destroy the Ki-49-IIb with relative ease).
  • Any planes with big guns (Bell P-39 Airacobra, Bell P-63 King Cobra....) this is because the Ki-49-IIb does not react well to damage.

Counter-tactics

When dealing with the Ki-49-IIb, be careful of its defensive armament. It may not be strong but do not underestimate it. To attack this bomber while taking minimal damage, attack it from the front of the plane or attack from below. Do not attack from above the rear of the Ki-49-IIb as the 20mm cannon will cripple your plane if not outright destroy it.

Pros and cons

Pros:

  • Very good maneuverability and turn time for a bomber.
  • Variety of payload options.
  • Multiple gunners for protection in almost all directions.
  • Armor protection around pilots and gunners.
  • Tremendous fuel capacity

Cons:

  • Prone to engine and fuel fires.
  • Relatively slow.
  • Low total bomb capacity (1000 kg).
  • Below average defensive armament.
  • Low rate of climb.
  • Gunners are closely grouped together.

Specifications

Armaments

Defensive armaments

  • 1 x 20 mm Ho-1 cannon, dorsal turret (180 rpg)
  • 1 x 12.7 mm Ho-104 machine gun, nose turret (250 rpg)
  • 1 x 12.7 mm Ho-104 machine gun, ventral turret (250 rpg)
  • 1 x 12.7 mm Ho-104 machine gun, tail turret (250 rpg)
  • 1 x 7.7 mm Type 89 machine guns, 2 x beam turrets (414 rpg = 828 total)

Payloads

  • 12 x 50 kg Army Type 94 GPHE bombs
  • 4 x 250 kg Army Type 92 GPHE bombs
  • 1 x 500 kg Army Type 92 GPHE bomb

Armour

  • 68 mm Bulletproof glass in front of pilot.
  • 12.5 mm Steel plate in front of pilot.
  • 16.5 mm Steel plate behind the pilots.
  • 12.5 mm Steel plate behind the dorsal gunner.
  • 12.5 mm Steel plates surrounding the dorsal gunner.
  • 12.5 mm Steel plates in front of the tail gunner.

Engine & mobility

Arcade Realistic Simulator

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Engine

Name: Nakajima Ha-109 14-cylinder radial x2
  • Cooling type: Air
  • Max power: 1198 hp (Stock), ____ hp (Upgraded)
  • Takeoff power: 1379 hp (Stock), ____ hp (Upgraded)
  • Mass: 720 kg
Name: Nakajima Ha-109 14-cylinder radial x2
  • Cooling type: Air
  • Max power: 1185 hp (Stock), ____ hp (Upgraded)
  • Takeoff power: 1266 hp (Stock), ____ hp (Upgraded)
  • Mass: 720 kg
Name: Nakajima Ha-109 14-cylinder radial x2
  • Cooling type: Air
  • Max power: 1185 hp (Stock), ____ hp (Upgraded)
  • Takeoff power: 1266 hp (Stock), ____ hp (Upgraded)
  • Mass: 720 kg

Stat card

Stock
  • Max speed: 480 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 31.4 s
  • Rate of Climb: 8.1 m/s
  • Takeoff run: 650 m

Upgraded

  • Max speed: 523 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 28.6 s
  • Rate of Climb: 18.7 m/s
  • Takeoff run: 650 m}}
Stock
  • Max speed: 467 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 31.9 s
  • Rate of Climb: 9.7 m/s
  • Takeoff run: 650 m

Upgraded

  • Max speed: 502 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 30.0 s
  • Rate of Climb: 12.5 m/s
  • Takeoff run: 650 m}}
Stock
  • Max speed: 467 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 31.9 s
  • Rate of Climb: 9.7 m/s
  • Takeoff run: 650 m

Upgraded

  • Max speed: 502 km/h
    • at height: 5,150 m
  • Max altitude: 9,300 m
  • Turn Time: 30.0 s
  • Rate of Climb: 12.5 m/s
  • Takeoff run: 650 m}}

Performance

Warning this is still in the test phase and is probably incorrect. Take information with a grain of salt (data taken from 1.55)




0
1
2
3
4
5
6
7
8
9
10
0
0.66
1.32
1.98
2.64
3.3
Horsepower in 1000hp
Altitude in 1000m

Supercharger Stage #1: 100%

Supercharger Stage #1: WEP

Supercharger Stage #2: 100%

Supercharger Stage #2: WEP



Modules and improvements

Being a bomber, speed is not necessarily an important attribute, however payload and defensive armament is. Upgrading the bombs allows for more target flexibility and damage potential while turret upgrades will help survivability. the turret belts and the "new turrets" upgrades are useful. The "new turrets" upgrade will allow you to fire the turrets for longer periods of time and having access to multiple ammunition belts is also helpful. The engine upgrades are also useful in that they will help you reach your target faster and will control engine temperature. Having all of the weapons upgrades will help drastically in unlocking the other modules on this aircraft.

The best way of grinding with this aircraft is to play cautiously and to use communication. As with any bomber, if you're caught alone or off guard you are as good as dead. Although not a sure tactic, having a fighter escort will boost RP gains drastically. This goes for all game modes. Generally, try to destroy as many targets as possible without wasting bombs. If done in a speedy fashion it is possible to drop multiple payloads in RB. The same goes for simulator battles. In arcade battles, having a high reload speed and a fighter escort will allow for constant bombardment. If done correctly, flying the Ki-49 in all modes will net you large amounts of RP.

History of creation and combat usage

The Ki-49 first saw service in China. After the outbreak of the Pacific War it flew in New Guinea Australia. The Ki-49 was also used in the defense of the Philippines.

The first unit to receive Donryus was the 61st Sentai in China.

Unknown amount of Ki-49s were involved in the Battle of Okinawa in 1945.


- 7th Sentai, 2nd Chutai 1944-45
- 74th Sentai, 2nd Chutai Philippines 1944-45

Screenshots and fan art

Skins and Camouflages for the Ki-49-IIb Donryu at Warthunder Live. Note that the search term #ki49 is a broad search term that covers all of the Ki-49 Donryu bombers. So be sure to check the descriptions to see if the selected skin is applicable to the selected aircraft.

Additional information (links)

References


Horsepower graphLateLate/Horsepower graph
Late/SidebarSidebar

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ki-49_2b.png

Icon-country-jap.png Ki-49-IIb Donryu
Nation Japan
Type Medium bombers
Fighting style Ground Attack
Bombing

   Metric✓       Imperial   

   Metric       Imperial✓   

Characteristics
Empty Weight ~7334 kg
Empty Weight + fuel ~9782 kg
Takeoff Weight ~11067 kg
Wing Area ~69 m²
# Flap Positions 3
Number of Engines 2
Air Breaks no
Arrestor Gear no
Statistics
Power per Engine 1377 hp
WEP Duration infinite
top speed ~411.00 kph at 5150 m
Climb Rate ~12.47 m/s
Optimal climb velocity ~233.28 kph
Turn Time ~24.64 s
Wing loading (Empty) ~106.00 kg/m²
Characteristics
Empty Weight ~16169 lb
Empty Weight + fuel ~21566 lb
Takeoff Weight ~24399 lb
Wing Area ~743 ft²
# Flap Positions 3
Number of Engines 2
Air Breaks no
Arrestor Gear no
Statistics
Power per Engine 1377 hp
WEP Duration infinite
Top speed ~255.39 mph at 16896 m
Climb Rate 40.91 ft/s
Optimal climb velocity ~144.95 mph
Turn Time 24.64 s
Wing loading (Empty) ~21.71 lb/ft²
Main Weapons
1 x Ho-1 450 RPG
3 x Ho-104 250 RPG
2 x Type 89 1000 RPG
Payload Option 1
12 x 💣 50 kg Type 94 mod.5 Bomb
Payload Option 2
4 x 💣 250 kg Type 92 GPHE Bomb
Payload Option 3
1 x 💣 500 kg Type 92 GPHE Bomb
Limits
Max Speed limit 630 kph
Gear lmit 300 kph
Max static +G's ~3
Max static -G's ~2
Optimal Velocities
Ailerons <360 kph
Rudder <360 kph
Elevators <403 kph
Radiator >250 kph
Limits
Max Speed limit 391 mph
Gear lmit 186 mph
Max static +G's ~3
Max static -G's ~2
Optimal Velocities
Ailerons <224 mph
Rudder <224 mph
Elevators <250 mph
Radiator >155 mph
Manual Control
Mixer is not controllable
Pitch is controllable
has automatic pitch
Radiator (water) is controllable
Radiator (oil) is not controllable
Oil and water uses combined radiator control
Supercharger is controllable
Turbocharger is controllable
Compressor settings 1
Optimal Altitude
1148 m
3766 ft
100% Enginepower 2855 hp
WEP Enginepower 3217 hp
Compressor settings 2
Optimal Altitude
4850 m
15912 ft
100% Enginepower 2616 hp
WEP Enginepower 2949 hp
* Warning this is still in the test phase and can be incorrect. Take information with a grain of salt (data from 1.57 initial release)