Difference between revisions of "18 inch Mark XII (450 mm)"
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Revision as of 10:32, 13 October 2019
County of OriginContents
Description
The 18-inch Mark XII, or simply Mark XII, is a British torpedo. Although designed for use as a aerial launch torpedo, it is used on some early Motor Torpedo Boats (MTBs), such as the MTB-1 1 series.
Vehicles equipped with this weapon
| Vehicles equipped with this weapon | |
|---|---|
| Twin-engine fighters | Beaufighter Mk VIc · Beaufighter Mk X · Beaufighter Mk 21 |
| Bombers | Beaufort Mk VIII · Hampden TB Mk I · ▂Hampden TB Mk I · Swordfish Mk I |
| Wellington Mk Ic · Wellington Mk Ic/L · Wellington Mk III · Wellington Mk X | |
| Ships | MTB-1(1) · MTB-1(2) · MTB Vosper |
General info
The Mark XII is a relatively early torpedo. Deigned for aerial use, it has a lower weight and explosive mass than some other torpedoes, however it is relatively fast in the water.
The naval version of the torpedo has an optional "Torpedo Mode" modification which reduces the range from 3.2 km to 1.37 km, but bumps up the speed by 5 kph, bringing it to 74 kph.
Effective damage
Like other torpedoes, when launched from a ship, the Mark XII can destroy just about anything smaller than a destroyer with a single hit (or even a near miss). It is possible for some destroyers to survive a hit from a ship launched Mark XII torpedo, and cruisers can almost always take multiple hits from a Mark XII without being destroyed (the torpedo will still start major fires and hull breaches, but won't instantly hull-break the ship).
Air launched Mark XIIs seem to be more powerful and can often destroy cruisers (of the player controlled variety) in a single hit.
Comparison with analogues
The closest comparison to the Mark XII (with regards to naval battles) is the German LT 1A/1 (also a 45 cm torpedo found at reserve rank). By comparison, the Mark XII is much faster, however the German torpedo has a larger warhead. The Japanese Type 2 (a 45 cm torpedo found on the Japanese reserve ship) is an all round better torpedo, being both faster and having a larger warhead.
Compared to the larger American Mk.8-3 C/D 53 cm torpedo (found at reserve rank), and German G7a the Mark XII has much better speed but a smaller warhead.
Usage in battles
The Mark VII is relatively fast compared to other low rank torpedoes in naval battles and has a compatible range, allowing you to hit further away targets easier.
When dropped from aircraft the characteristics of the Mark XII are not ideal. You are required to drop below 105 m and decrease your speed to below 281 kph.
Pros and cons
Pros:
- Good speed
- OK range
Cons:
- Poor airdrop characteristics
- Below average explosive mass
History
The Mark XII was designed in 1935 (and entered service in 1937) as an aerial torpedo for use by the Fleet Air Arm and RAF Coastal Command. It was a development of the 18-inch Mark XI, which had a larger 211 kg warhead (compared to 176 kg on the Mark XII), but a shorter 2,300 m range and lower speed of 35 knots (65 kph). The Mark XII reduced the warhead size, but increased the speed and range to 69 kph at 3,000 m range or 74 kph at 1,400 m range.
The torpedo was 4.95 m long, 450 cm wide and weighed 702 kg. It was powered by a 140 hp burner-cycle engine.
Media
An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.
See also
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:
- reference to the article about the variant of the weapon;
- references to approximate analogues by other nations and research trees.
External links
