Type 8 No.2 (610 mm)

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Type 8 No.2 captured in the air

Description

Type 8 No.2 is a powerful, decently fast, long-range torpedo, able to take on enemy battleships with ease.

Vehicles equipped with this weapon

General info

Torpedo characteristics
Torpedo Mode Mass (kg) Maximum speed in water (km/h) Travel distance (km) Depth stroke (m) Arming distance (m) Explosive type Explosive mass (kg) TNT equivalent (kg)
No 2,362 70 10 1 50 Shimose 346 380.6
Yes 2,362 54 18 1 50 Shimose 346 380.6

Given that the effective range of the torpedo is as high as 10 kilometers even without the torpedo mode, it's highly recommended to avoid using Torpedo Modification in both: Arcade and Realistic battles. The reach of 10 kilometers is enough to drop torpedoes at an unsuspecting distant target at or near the enemy spawn (usually 12 kilometers away). Adding these 8 kilometers of reach with the torpedo mode increases the travel time at 10 kilometers range from 480 s to 622 s in Arcade (or 514 s to 667 s in Realistic), a 77% increase!

Torpedo mode does have some uses in the Naval Enduring Confrontation mode, primarily against NPC-controlled vessels.

Effective damage

The Type 8 No.2 torpedo carries a 346 kg Shimose warhead, which is equivalent to 380.6 kg TNT. It's large enough to breach pretty much any torpedo bulge.

Comparison with analogues

The Type 8 No.2 is a more conventional torpedo and will pale in comparison to the Type 93 Model 1, Mod 2 (610 mm) & Type 93 Model 3 (610 mm) but will still outshine nearly all the torpedoes of the other nations, featuring an excellent combination of range, speed and explosive filler.

Name Country
of origin
Diameter
(mm)
Mass (kg) Explosive
type
TNT equivalent
(kg)
Max speed
(km/h)
Max range
(km)
12.75 inch Mark 44 USA flag.png 324 235 HBX 54.4 56 5.49
12.75 inch Mark 46 USA flag.png 324 235 TNT 44.5 91 7.30
18 inch Mark XII Britain flag.png 450 702 TNT 176 74 1.37
18 inch Mark XV Britain flag.png 450 817 Torpex 395.2 61 3.20
18 inch Type 38 No.2 B Japan flag.png 450 663 Shimose 104.5 59 2.00
18-inch Mk.7 USA flag.png 450 720 TNT 93 59 3.65
21 in Mk.8 USA flag.png 533 1,252 TNT 146 50 9.14
21 inch Mark I Britain flag.png 533 1,270 TNT 102 56 11.00
21 inch Mk.20 Bidder Britain flag.png 533 821 TNT 89 37 11.00
21 inch Type 43 (1910) Japan flag.png 533 1,187 Shimose 143 50 8.00
45-36NU USSR flag.png 450 951 TNT 200 76 4.00
53-38 USSR flag.png 533 1,615 TNT 300 82 4.00
53-39 USSR flag.png 533 1,780 TNT 317 94 4.00
53-56 USSR flag.png 533 2,000 TNT 400 93 8.00
53-57 USSR flag.png 533 2,000 TNT 306 83 18.00
53-65 USSR flag.png 533 2,070 TNT 300 126 12.00
Bliss-Leavitt Mk.1 USA flag.png 533 680 TNT 91 50 3.66
C/06D Germany flag.png 450 810 TNT 122.6 50 5.90
G6c Germany flag.png 533 1,008 TNT 160 50 5.00
G7a Germany flag.png 533 1,528 SW39a 358.4 81 6.00
H/8 Germany flag.png 600 2,160 SW39a 268.8 67 6.00
LT 1A/1 Germany flag.png 450 812 TNT 250 74 2.00
Mark 35 USA flag.png 533 803 Torpex 196 50 13.71
Mk.8-3 C/D USA flag.png 533 1,373 TNT 174.2 50 12.35
Mk.13 USA flag.png 569 884 TNT 178 56 5.21
Mk.15 USA flag.png 533 1,559 TNT 224 83 5.50
Mk.16 USA flag.png 533 1,766 Torpex 915.2 85 6.40
Mk.IV Britain flag.png 533 1,454 TNT 234 65 7.30
Mk.IX Britain flag.png 533 1,693 TNT 340 67 9.60
Mk.IX** Britain flag.png 533 1,693 Torpex 587.2 76 10.00
Mk.V Britain flag.png 533 1,736 TNT 305 74 4.57
Mk.VIII Britain flag.png 533 1,566 TNT 327 84 4.57
Model 1923DT France flag.png 550 2,100 TNT 308 72 9.00
Pattern 1910 USSR flag.png 450 665 TNT 100 54 3.00
Pattern 1912 USSR flag.png 450 810 TNT 100 80 2.00
R.G.F. Mark VI** Britain flag.png 450 700 TNT 134 56 5.49
S.I.170/450X5,25 Italy flag.png 450 860 TNT 170 76 4.00
S.I.270 Italy flag.png 533 1,715 TNT 270 74 4.00
S.I. 250/533,4X7,5 Tipo A Italy flag.png 533 1,781 TNT 250 76 4.00
S.I. 270/533,4X7,2 Tipo I Italy flag.png 533 1,700 TNT 270 89 4.00
S.I. 270/533,4X7,2 Tipo M Italy flag.png 533 1,715 TNT 270 93 4.00
S.I. 270/533X6.84 Tipo L Italy flag.png 533 1,700 TNT 270 93 4.00
Seal DM2A1 Germany flag.png 533 1,370 TNT 250 61 20.00
SET-40 USSR flag.png 400 550 TNT 80 54 8.00
SET-53M USSR flag.png 533 1,480 TNT 100 54 14.00
SET-65 USSR flag.png 533 1,740 TNT 205 74 16.00
Type 2 Japan flag.png 450 1,000 Type 97 448 72 3.00
Type 6 Japan flag.png 533 1,432 Shimose 223.3 65 7.00
Type 8 No.2 Japan flag.png 610 2,362 Shimose 380.6 70 10.00
Type 43 Japan flag.png 450 663 Shimose 104.5 48 5.00
Type 44 No.2 Japan flag.png 450 750 Shimose 121 65 4.00
Type 54 model 3 Japan flag.png 533 1,600 TNT 100 44 6.00
Type 72 mod.1 Japan flag.png 533 1,760 TNT 300 120 10.00
Type 89 Japan flag.png 533 1,660 Type 97 384 83 5.50
Type 90 Japan flag.png 610 2,540 Type 97 480 85 7.00
Type 93 Model 1, Mod 2 Japan flag.png 610 2,700 Type 97 627.2 91 20.00
Type 93 Model 3 Japan flag.png 610 2,800 Type 97 998.4 91 15.00
W.200/450X5,75 Italy flag.png 450 930 TNT 200 81 3.00
Whitehead A 110/450 Italy flag.png 450 936 TNT 110 56 4.00

Usage in battles

Having a great combination of range, speed and warhead, the Type 8 is best used without torpedo mode to effectively counter enemy battleships and battlecruisers. Hitting cruisers or destroyers with these torpedoes will typically be lethal with a single hit, either directly, or crippling them by flooding. Much like other torpedoes, it can be effectively used to deny critical passages between the islands.

Pros and cons

Pros:

  • Large warhead
  • Good combination of speed and range even without the Torpedo Mode modification
  • Exceptionally long-range with the Torpedo Mode, exceeding the playable area of most naval maps in the game

Cons:

  • Relatively low top speed with the Torpedo Mode modification installed
  • The large size of the torpedo means that the vessels carrying it will typically have very few torpedoes available.

History

Type 8 No.2 (610 mm) twin-mount on IJN Sendai.

The Type 8 torpedo as a replacement for the Type 6, significantly increasing range, speed, and explosive power, at the expense of overall larger dimensions and mass. The torpedo was designed right after the end of the Great War, as the Japanese designers were seeking to arm their cruisers with torpedoes able to challenge modern battleships. At the time of introduction to service in 1920, it was the heaviest torpedo in the world.

Compared to the Type 8 No. 1, the No.2 variant was propelled by a more powerful compressed-air radial engine manufactured by Schwarzkopf with three modes available: 20 km at 27 knots, 15 km at 32 knots, and 10 km at 38 knots, and the warhead was increased in size by additional 49 kilograms.

It was used on the following torpedo mounts:

  • Sendai-class used twin-mount 8.8 m x 3.04 m x 1.13 m with a total mass of 8.45 tons. It was loaded manually, but training was done by a 5 hp electric motor, which provided a targeting speed of 6° per second. In case of a failure, a manual crank was provided, with an estimated targeting speed of 4° per second.
  • Furutaka-class used a Type 12 "side-opening fixed above-water torpedo tube", a 9.11 m x 1.05 m x 1.5 m fixed mount with a total mass of 7.05 tons. It had a unique design, allowing for a reload from the top, rather than from the rear.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

External links

  • [NavWeaps] 61 cm (24") Type 8 No. 2 (1920)
  • Eric Lacroix and Linton Wells II, Japanese Cruisers of the Pacific War, Naval Institute Press (pp. 38, 65, 67)
  • John Campbell, Naval Weapons of World War Two, Naval Institute Press (p. 204)


Torpedoes
USA 
450 mm  Mk.7
533 mm  Bliss-Leavitt Mk.1 · Mark 35 · Mk.8 · Mk.8-3 C/D · Mk.15 · Mk.16
569 mm  Mk.13 · Mk.13-6 · Mk.13-6 Case
Germany 
324 mm  Mark 44
450 mm  C/06D · LT 1A/1 · F5W · F5b
500 mm  G6c
533 mm  G7a · Seal DM2A1
600 mm  H/8
USSR 
400 mm  SET-40
450 mm  Pattern 1910 · Pattern 1912 · 45-36NU · 45-36AN · 45-36MAN
533 mm  53-38 · 53-39 · 53-56 · 53-57 · 53-65 · SET-53M · SET-65
Britain 
450 mm  R.G.F. Mark VI** · Mark XII · Mark XV
533 mm  Mark I · Mk.IV · Mk.V · Mk.VIII · Mk.IX · Mk.IX** · 21 inch Mk.20 Bidder
Japan 
324 mm  Mark 46
450 mm  Type 2 · Type 38 No.2 B · Type 43 · Type 44 No.2 · Type 91 Model 2 · Type 91 Model 3
533 mm  Type 6 · Type 43 (1910) · Type 54 Model 3 · Type 72 Model 1 · Type 89
610 mm  Type 8 No.2 · Type 90 · Type 93 Model 1, Mod 2 · Type 93 Model 3
Italy 
450 mm  F200/450 · S.I.170/450X5,25 · W.200/450X5,75 · Whitehead A 110/450
533 mm  S.I.270 · S.I. 250/533,4X7,5 Tipo A · S.I. 270/533,4X7,2 Tipo I · S.I. 270/533X6.84 Tipo L · S.I. 270/533,4X7,2 Tipo M
France 
400 mm  1926DA
450 mm  1909R
550 mm  Model 1923DT
Sweden 
450 mm  m/38 · m/41
  † = Aerial torpedo
‡ = Aerial and ship-launched torpedo