BMO

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Rank 4 USA
USS Helena Pack
ussr_bmo.png
GarageImage BMO.jpg
BMO
Research:61 000 Specs-Card-Exp.png
Purchase:230 000 Specs-Card-Lion.png
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Description

The BMO pr 194 is a rank IV Soviet armoured gun boat with a battle rating of 3.0 (AB/RB/SB). It was introduced during Update 1.79 "Project X" when the Soviet fleet was implemented into the game. BMO stands for Russian: бронированный Mалый Охотник, Bronirovannyj Malyj Okhotnik; English: Small Armoured Hunter.

General info

Survivability and armour

Armourfront / side / back
Citadel8 / 10 / 8 mm
Main fire tower10 / 10 / 0 mm
Hull5 mm (steel)
Superstructure5 mm (steel)
Number of section3
Displacement60 t
Crew22 people

The mid-section of the hull and the bridge are the most well armoured places on the BMO, with maximum thickness of 12 mm around the bridge.

The main 37mm has a 10 mm thick shield protecting it from light enemy fire, whereas the 45 mm can be knocked out very easily, especially by planes. Fires are frequent, but that is due to the nature of early-tier boats, not to any major flaws of the boat.

Mobility

Speedforward / back
AB50 / 25 km/h
RB37 / 18 km/h

The BMO can reach 43 km/h in AB and 37 km/h in RB and SB (without Depth Charges). The acceleration is decent, but lighter boats will easily overtake you, so you will rarely reach strategic points first. The BMO can reach reverse speeds of up to -24 km/h (AB).

It turns very well, retaining its mobility even at lower speeds, that is because its rudder reroutes very quickly, comparable to the lightest of boats, such as the G-5. Overall, the BMO is very mobile, but not very fast.

Mobility Characteristics
Game Mode Upgrade Status Maximum Speed (km/h) Turn Time (s) Turn Radius (m)
Forward Reverse
AB Stock ___ ___
Upgraded 50 25
RB/SB Stock ___ ___
Upgraded 37 18

Modifications and economy

Repair costBasic → Reference
AB2 420 → 3 041 Sl icon.png
RB2 900 → 3 645 Sl icon.png
Total cost of modifications59 100 Rp icon.png
114 400 Sl icon.png
Talisman cost1 400 Ge icon.png
Crew training65 000 Sl icon.png
Experts230 000 Sl icon.png
Aces820 Ge icon.png
Research Aces440 000 Rp icon.png
Reward for battleAB / RB / SB
120 / 150 / 100 % Sl icon.png
160 / 160 / 160 % Rp icon.png
Modifications
Seakeeping Unsinkability Firepower
Mods new ship hull.png
Dry-Docking
Research:
2 200 Rp icon.png
Cost:
4 200 Sl icon.png
160 Ge icon.png
Mods new ship rudder.png
Rudder Replacement
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mods new ship screw.png
Propeller Replacement
Research:
3 500 Rp icon.png
Cost:
6 800 Sl icon.png
260 Ge icon.png
Mods new ship engine.png
Engine Maintenance
Research:
4 500 Rp icon.png
Cost:
8 700 Sl icon.png
330 Ge icon.png
Mods ship tool kit.png
Tool Set
Research:
2 200 Rp icon.png
Cost:
4 200 Sl icon.png
160 Ge icon.png
Mods manual ship extinguisher.png
Fire Protection System
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mods engine smoke screen system.png
Smokescreen
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mods new ship pumps.png
New Pumps
Research:
4 500 Rp icon.png
Cost:
8 700 Sl icon.png
330 Ge icon.png
Mods tank ammo.png
45mm_ussr_21k_o240_naval_he_ammo_pack
Research:
2 200 Rp icon.png
Cost:
4 200 Sl icon.png
160 Ge icon.png
Mods tank ammo.png
37 mm HE clips
Research:
2 200 Rp icon.png
Cost:
4 200 Sl icon.png
160 Ge icon.png
Mods new aa caliber turrets.png
Anti-Air Armament Targeting
Research:
2 200 Rp icon.png
Cost:
4 200 Sl icon.png
160 Ge icon.png
Mod arrow 0.png
Mods tank ammo.png
45mm_ussr_21k_naval_ap_ammo_pack
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mods tank ammo.png
37 mm AP clips
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mods new aux caliber turrets.png
Auxiliary Armament Targeting
Research:
2 100 Rp icon.png
Cost:
4 100 Sl icon.png
160 Ge icon.png
Mod arrow 0.png
Mods ship rangefinder.png
Improved Rangefinder
Research:
3 500 Rp icon.png
Cost:
6 800 Sl icon.png
260 Ge icon.png
Mods ship rangefinder.png
Improved Rangefinder
Research:
3 500 Rp icon.png
Cost:
6 800 Sl icon.png
260 Ge icon.png
Mods depth charge.png
Depth Charges
Research:
3 500 Rp icon.png
Cost:
6 800 Sl icon.png
260 Ge icon.png
Mods new main caliber turrets.png
Primary Armament Targeting
Research:
3 500 Rp icon.png
Cost:
6 800 Sl icon.png
260 Ge icon.png
Mods he frag base fuse tank.png
45mm_ussr_21k_naval_base_fuse_he_ammo_pack
Research:
4 500 Rp icon.png
Cost:
8 700 Sl icon.png
330 Ge icon.png
Mods naval mine.png
Mines
Research:
4 500 Rp icon.png
Cost:
8 700 Sl icon.png
330 Ge icon.png

Armament

Primary armament

Turret37 mm/67 70-K automatic cannon
Ammunition2000 rounds
Belt capacity5 rounds
Fire rate180 shots/min
Vertical guidance-10° / 85°
Main article: 70-K (37 mm)

The 37 mm main armament on the BMO is very powerful in the fact that it is rapid fire and can obliterate small boats with its armour piercing belt rounds. However, anything larger than a submarine-chaser won't take much damage from your calibre of fire and it is recommended to steer clear or switch to the larger calibre secondary. The ammo capacity is quite unusually large at 500 per belt, with a capacity of 2 belts. You won't be reloading or running out of ammo quickly. The clip reload is unbelievably fast for how much ammo it has, which makes from changing from HE to AP a breeze. It is hard to overheat the weapon, but just keep in mind not to hold down for too long. This weapon can also double as an AA gun with its rate of fire, and manual aim instead of AI would be better, as the AI can overheat the weapon and don't stop when the weapon is overheated or near overheating. The rotation is not as fast as one would expect, but after upgrades, it is snappy and can easily catch speedy patrol boats off guard.

Secondary armament

Turret45 mm/68 21-KM cannon
Ammunition500 rounds

The 45 mm secondary armament on the BMO is slightly more powerful than the primary 37 mm, although it should only be used against the toughest opponents, hence its secondary nature. The rate of fire is slow, so it is advised to use this weapon at longer ranges. However, that also means that you shouldn't worry about ammo running out, and you can keep holding down the fire button, as the weapon doesn't overheat.

Anti-aircraft armament

Turret2 x 12.7 mm AN-M2 machine gun
Ammunition4000 rounds
Belt capacity200 rounds
Fire rate577 shots/min
Turret2 x 12.7 mm DShK machine gun
Ammunition4000 rounds
Belt capacity50 rounds
Fire rate600 shots/min

The anti-air armaments consist of a total of four 12.7 mm machine guns (2 x AN-M2; 2 x DShK). These guns should be primarily against the aircraft, but they can also be used against the lightly armoured boats. The guns are positioned in the middle section of the ship, on top of the bridge and on the stern, which should pose no problems against aircraft, because you will be able to get at least 2 guns onto the enemy, but it can be hard to attack boats directly in front of the ship.

Additional armament

Setup 18 x BB-1 depth charge
Setup 210 x KB-3 pattern 1940 moored contact mine

The BMO has the option to carry 8 x BB-1 depth charges. They can be used to surprise flanking opponents or to sink tougher enemies by dropping charges in their path.

Remember that you can set the Depth Charge activation time before spawning in if you carry Depth Charges. You can select to delay the activation time from 3s to 10s. You should find the optimal activation time for yourself, but it is advised to use something in the middle (5-8 s), so that you have a wider range of options when using your depth charges.

Usage in battles

The BMO is one of the first Soviet boats that has a large variety of armament. At this stage, you may need to assign new buttons to be able to select your primary/secondary/anti-aircraft armaments, because the BMO works best when all of its weapons are used. Generally, the BMO should be played like a slower Motor Torpedo Boat that can stand its own ground. For example, at the beginning of match, it can rush a cap point and decimate the oncoming light boats with its 37 mm primary (which is comfortably positioned in the bow). When the cap is clear, the BMO can take on a defensive role behind some cover.

The 45 mm secondary armament should mostly be used against the larger American and German ships (PT-103 / S-100), but you still need to be careful, because those ships can easily take out your guns, and the BMO itself. If you're unsure whether it's best to use the 45 mm or the 37 mm, always go with the 37 mm, because it is much more forgiving.

As for the playstyle, simply use your 37 mm to obliterate any threats coming from the front, and if you're flanked or in a messy fight, switch to your anti-air armaments and continue obliterating everything. The AI gunners can be set to both surface and air threats, but if you are more experienced, you can change them based on the situation (more planes - focus on air threats; in a messy fight - focus on surface threats).

You need to play safer. Don't rush for caps alone, because ships of higher BR can easily sink you. You should flank your enemies where possible and unload your 37 mm (or even the 45 mm) into the exposed sides. The anti-air weaponry will be mostly useless against ships at this BR, so you can just set your AI gunners to air threats and focus on the ships.

Your greatest enemy in this BR is large sub chasers (SC-497) and other BMOs. When facing these, take out the primary armaments with your 37mm, as this is the effective, more than forgiving weapon to do so and then start shooting the ammo racks or critical modules and try to have a teammate with larger guns than you (a Soviet armoured gunboat is a perfect companion to pair up with as both have very similar speeds) to take the compartments, as you don't have the time to take on all compartments with such a small calibre gun. It is recommended to load AP clips, as these are very suitable for turret busting.

Pros and cons

Pros:

  • Great variety of armaments, which should be used interchangeably to increase your chances of escaping difficult situations
  • A lot of ammunition
  • Decent speed

Cons:

  • Negligible armour on the armaments, making them very easy to knock out
  • No torpedoes
  • The 37 mm primary armament can overheat (and the AI gunners always overheat the weapon when the player is using another one)
  • 45 mm O-240 HE shells are very slow (only 343 m/s) compared to the up to 835 m/s of other equippable shells

History

The BMO, produced from 1943-45 in Leningrad, was the final and most advanced iteration of the MO class of ships. Originally designed for anti-sub operations, the MO series also filled a multitude of roles including mine laying and sweeping, escorting convoys, and supporting amphibious landings. The BMO was the most versatile of the line due to the addition of armour as well as the replacement of one of the 45mm guns with a much faster firing 37mm gun to better deal with aircraft. A total of 66 BMOs were produced.

Media

Skins

See also

Links to articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


USSR boats
Motor torpedo boats  D-3 · G-5 · TKA-106 · Pr.123-bis · Pr.123K (A-11) · Pr.123K · Pr.183
Motor gun boats  G-5 (ShVAK) · MO-4 · OD-200 · Ya-5M
Motor torpedo gun boats  Pr. 206 · Pr.206-M · MPK Pr.12412
Gunboats  Groza
Armoured gun boats  BMO · MBK-161 early · MBK-161 late · MBK pr.186 · MBK pr.186 (MK 85) · Pr.1124 early · Pr.1124 late · Pr.1124 MLRS
  Pr.191 · Pr.191M · Pr.1204 · Pr.1204 late