MTB-1(1)

MTB-1(1)

HMS Renown

Fairmile A (ML100)

MTB-1(1)

HMS Renown

Fairmile A (ML100)

Britain

I Rank

Battle rating:

AB	RB	SB
1.0	1.0	1.0

Class:

Motor torpedo boat

Boat

Research:Free

Purchase:Free

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This page is about the British motor torpedo boat MTB-1(1). For other versions, see MTB-1 (Family).

Description

The MTB-1 1 series is a rank I British motor torpedo boat with a battle rating of 1.0 (AB/RB/SB). It was introduced in Update 1.83 "Masters of the Sea" as part of the British fleet closed beta test. MTB-1(1) is the reserve vehicle for the British naval tech tree.

The MTB-1 (motor torpedo boat) is a wooden patrol boat serving as an introduction for the British fast crafts tree. These boats are highly agile and very fast, equipped with decent torpedoes and depth charges. The main drawback is without a doubt, its armament. The 2 x turrets of 4 x Lewis 1916 machine guns feel outdated and lack the power to quickly dispatch other fast boats. Tactics and ability is needed to exploit this boat on the treacherous archipelagos of War thunder.

MTB-1 1 series is a reserve vehicle. As such, it has no repair costs and can be respawned up to three times per battle.

General info

Survivability and armour

The survivability of the MTB-1 is fairly average considering the small amount of crew, the wooden hull with no armour, and also the poor means of defence.  

Sailors need to be aware of the higher threats present in the seas, such as 20 mm automatic cannons, 37 mm cannons, possibly some 100 mm cannons. None of which the MBT-1 can fearlessly withstand. The 12.7 mm heavy machine-guns also demonstrate to be lethal against the MTB-1. 

MTB-1(1) internals (starboard). Note the ammo storage between the bridge and the forward gun mount.

MTB-1 1 series has the following armour layout:

• Hull: 24 mm, wood
• Superstructure: 2 mm, steel

Any gun in the game will easily be able to penetrate the hull and superstructure at any practical range.

MTB-1 1 series can be hull-broken by any round with a large enough diameter and a large enough explosive mass. In general, this is limited to HE rounds fired from guns greater than 4 inches (102 mm) in diameter. Hull-break triggers when such a round hits and destroys any hull compartment — or in some cases, the bridge — upon which the rest of the boat is destroyed. At MTB-1 1 series' battle rating, there is only one gun capable of hull-breaking her:

• the 8cwt QF Mk I, found on Dark Adventurer.

The hull is split into three compartments. The first compartment starts at the bow and ends after the ammunition storage; the second ends just behind the bridge; and the third ends at the stern.

MTB-1 1 series has one ammunition storage that holds ammunition for both the fore and aft gun turrets. It is located directly behind the forward gun turret just above the waterline. Destroying it will instantly destroy the boat. Note that the ammunition storage says that it contains 7,760 rounds of ammunition; this is most likely a bug, since MTB-1 1 series can only carry a maximum of 3,880 rounds.

A crew complement of only 11, only third to the Italian reserve boat MAS 561 with a crew of 15 and the first place going to the American reserve boat, PT-6 with a complement of 17. The crew skill "Interchangeability" allows for a max of 8 crew losses from the complement of 11. Albeit to a minimum, this improvement could be helpful in a desperate situation.

Mobility

Mobility Characteristics
Game Mode	Upgrade Status	Maximum Speed (km/h)		Turn Time (s)	Turn Radius (m)
		Forward	Reverse
AB	Stock	63	32	~18.64	~35.43
	Upgraded	86	43	~12.67	~22.41
RB/SB	Stock	53	26	~20.77	~36.73
	Upgraded	61	31	~17.44	~33.15

The mobility is one of the most remarkable aspects of the MTB-01, despite not having the fastest top speed amongst rank I boats, she is capable to turn and cruise quite swiftly. She will feel agile and competently fast, once finally upgraded. Thanks to the thin wooden structure boosted by 3 engines, the small craft will be able to reach 61 km/h of top speed.

Her reverse speed is decent and when coupled with a good instant stop makes as result, satisfactory control of the boat while in battle. Enabling the captains to retreat efficiently when required, without turning the whole boat.

The aspiring British captains should remember these fast boats were not conceived for blue waters, they will move abruptly up and down on strong waves. Difficulting the turret aiming and often the navigation itself. This is notable on some high sea maps. The draft of the boat is considerably shallow so it's a clear indication of poor seaworthiness and a preferably coastal purpose of this series.

MTB-1 1 series has a displacement of 22.4 tons.

Armament

Primary armament

The guns are the most insufficient aspect of the MBT-1. Their range is disappointingly short, effective up to approximately 1.500 m. After that, the precision and efficiency drop significantly. Sailors firing these guns to targets on 3 km of distance will feel disappointed to see the seeming vanish of their shots at the distance.The positioning of the turrets is appropriate. They allow a quick target acquisition and this coupled with decent mobility becomes vital through a naval skirmish. It's important to remember the range of aiming at the stern turret, when sailing forward the turret won't be able to fire. The same happens with the bow turret when aiming from the stern of the boat.

Turrets are named sequentially, clockwise, starting at the bow

The primary armament consists of eight 7.72 mm Lewis 1916 machine guns in two quadruple mounts, one on the bow and one on the stern. There are 1,940 rounds of ammunition available for each mount, 485 rounds per gun, for a total of 3,880 rounds. Stock, the mounts can traverse horizontally and vertically at a rate of 64°/s; with the "Primary Armament Targeting" modification installed, this is increased to 75°/s. Each gun has a magazine capacity of 97 rounds and a cyclic rate of fire of 550 rounds/min.

With a stock crew, the guns can be reloaded in 18.2 seconds; with an aced crew, they can be reloaded in 14 seconds. This is rather slow compared to other guns present on rank I. Despite this, the guns have a relatively large magazine compared to other guns at this tier, 97 rounds with a rate of fire of 550 rpm. MTB-1 1 series can sustain about 10.58 seconds of fire.

Primary Armament Guidance
No.1 Turret (fore)		No.2 Turret (aft)
Horizontal	Vertical	Horizontal	Vertical
±180°	-5°/+43°	±160°	-5°/+43°

There are three ammunition types available:

• Universal: AP · T · AP · T

This belt offers a 50-50 distribution of armor-piercing and tracer rounds. This belt serves decently but not outstandingly, on both naval and air targets. Although, just like its distribution the efficiency is reduced by 50% depending on what you engage. This is because each round will have a different effect on your target since the belt is not dedicated but to all kinds of threats. Let's say you attack an enemy boat, only half of the belt will damage efficiently the target.

This belt is recommendable if your strategy is to be armed for all types of threats. Nonetheless, some captains consider this unwise because low magazine count combined with a long reload time of the Lewis machine guns limit the usefulness and the rapid-fire responses. So instead of this, some prefer a more dedicated belt.

• 7.7 mm AP (Armor piercing) belt: AP · AP · AP · T

This belt is comprised of a 75-25 distribution. The Armor-piercing bullets being the predominant round inside the belt produce important damage to fast crafts. This should be the favorite belt when attacking other boats. The damage to planes is reduced because the bullets usually will pass through the aircraft producing no major damage unless a direct hit, to some critical parts as the engine or the pilot.

 The small portion of tracer might not be enough to cause any aircraft fire and not suitable to damage boats or ships efficiently. Serving principally as guidance to aiming and ballistics. 

• 7.7 mm API (Armor-piercing incendiary) belt: IT · IT · IT · AP

As a result, this belt should be fully dedicated to air targets. The incendiary and tracer properties are highly adequate to target planes. Even if the gunners can't achieve a direct hit to anything critical on the aircraft. This belt can ignite on wings and fuel tanks. Anything that can burn, shall burn. 

Biplanes as the German He 51 (Family) and early naval bombers such as the Japanese F1M2, are prone to catching fire. It's here when this belt provides its value. Contrastingly, this belt is the least recommendable to fight boats. The armor-piercing properties are poor and the incendiary effect is essentially lost. 

Penetration Statistics
Ammunition	Penetration @ 0° Angle of Attack (mm)
	10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
Universal	10	9	8	7	6	5
7.7 mm AP belt	10	9	8	7	6	5
7.7 mm API belt	10	9	7	6	5	5

Torpedo armament

MTB-1 1 series can carry two 18 inch Mark XII torpedoes. These are carried internally in the aft of the boat and are launched through the transom tail first, i.e. facing forwards.

The 18-inch Mk.XII is fairly average in terms of maximum speed and range, though it has a rather small explosive mass compared to other torpedoes. Still, a hit with the Mk.XII torpedo is more than enough to destroy any boat. Besides that, this torpedo is unnoteworthy.

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	702	50	3.20	1	50	TNT	176	176
Yes		74	1.37

The Torpedo Mode modification is available as a rank IV modification. Installing it will give the following changes:

Torpedo Mode Specification Changes
Max Distance (m)	Max Speed (m/s)
-1829	+7

Once unlocked, always have the Torpedo Mode modification installed. The higher maximum speed is much more valuable against the fast boats of this tier, and the maps are small enough that the decreased maximum range doesn't really matter. Note that the Torpedo Mode modification on MTB-1 1 series has the opposite effect compared to most other vehicles. Typically, the maximum range is increased at the cost of speed.

If using torpedoes, be aware that, unless already launched, the torpedoes can be shot at, and there is a small chance for them to detonate if destroyed. To avoid this, fire the torpedoes early on — and after reloads in AB — or simply don't take them at all. Torpedoes are a situational weapon, so it's largely down to personal preference whether you want to take them or not.

Special armament

Mk.VII depth charges numbered according to their drop order (click to view a larger image).

MTB-1(1)has four possible loadouts:

1. 2 x Mk.XII torpedo
2. 4 x Mk.VII depth charge
3. 2 x Mk.XII torpedo, 4 x Mk.VII depth charge
4. Without load

Depth Charges

The Mk.VII depth charges are carried behind the bridge in racks, two on each side. They are dropped one at a time in the following order:

1. Port, foremost
2. Starboard, foremost
3. Port, aftmost
4. Starboard, aftmost

Before spawning, the detonation time delay can be set anywhere between 3 seconds and 10 seconds.

Depth Charge Characteristics
Mass (kg)	Explosive Type	Explosive Mass (kg)	TNT Equivalent (kg)
196	TNT	130	130

There is no practical reason to use depth charges on any naval vessel in the game. Although they usually result in a one-hit kill if used properly, they are extremely situational and are actually a liability in most cases, since they essentially act as exposed ammo racks before they're dropped.

With some luck though, sailing up right next to a slower target and dropping a depth charge can lead to some success. If attempting this, remember the depth charge drop order and set the depth charge time delay to the minimum 3 seconds, since any higher time delay will only mean that the depth charge will sink further, and thus away, from the target. Again, this is extremely situational, and you will be better off not using depth charges at all.

Usage in battles

MTB-1 1 series with the historical camouflage "MTB-1 '01', available on the Gaijin Marketplace.

MTB-1 1 series' main armament only consists of low-calibre machine guns, so the damage output per hit is very low, though this is somewhat mitigated since she actually has quite a large amount of guns, eight in total.

Assuming that the shots are well-aimed, this is generally more than enough to destroy many boats at this tier before having to reload, unlike some other reserve boats like G-5, Type T-14, and MAS 561. Be careful though, since MTB-1 1 series has the longest reload of most reserve boat. Because of this, it's always best to empty the magazines after each engagement to then reload while it's safe; getting caught out during a reload is the last thing you want to happen.

Sailors must remember the MTB-1 1 series only carries enough ammunition for five reloads, so only fire when you know you can land the shots and stick to close-range engagements so that the gun's low maximum range doesn't become an issue. The firing arc for the forward gun mount is very good. It is able to fire in all directions except in a ~34° arc directly behind it. The same can't be said though of the rear gun mount though. Because of the depth charge racks, even if they're empty, the rear gun cannot target any close-range targets in a ~42° arc on each side facing forwards. It also can't fire in a ~28° arc directly behind either. Because of this, MTB-1 1 series needs to show more of its side to get the rear gun mount on target, and, considering the low damage output of the guns, getting as many guns on target is a necessity.

Modules

Tier	Seakeeping		Unsinkability		Firepower
I	Dry-Docking		Tool Set		7.7 mm AP belt
II		Rudder Replacement	Fire Protection System	Smokescreen	7.7 mm API belt
III	Propeller Replacement				Primary Armament Targeting	Depth Charges
IV		Engine Maintenance	New Pumps		Artillery Support	Torpedo Mode

Pros and cons

Pros:

• Relatively large magazine capacity: can destroy most opponents without needing to reload
• Large volume of fire can quickly take down low-flying aircraft
• Agile and capable of sustaining usable top speed 

Cons:

• Only armed with small-calibre guns: low damage output per gun
• Guns are severely outranged by most of the other Rank I boats
• Longest reload of any reserve boat
• Below-average survivability
• Relatively weak torpedoes (low explosive mass compared to other similar torpedoes)

History

Though the Royal Navy had operated a small number of coastal boats during the first World War, by the 1930s, these flotillas had long been dissolved and the Royal Navy had yet to construct any more. The first two coastal boats since WWI were ordered on 27th September 1935 by the Royal Navy, the order being given to British Power Boat Company based at Hythe, a town near Southampton. In addition to this initial order, four more were ordered on 19th October 1935. These six boats were completed by November 1936, and, with their commissioning on 27th April 1937, the Royal Navy Coastal Forces was founded. Following this, three more boats were ordered on 7th December 1936 and nine more on 11th January 1938. In total, 18 boats were ordered, all of them being completed by 1939.

These boats had a standard displacement of 18 tons and had a length of 60 ft. 4 in., a width of 13 ft. 4 in., and a drought of 2 ft. 10 in. at standard displacement. They were powered by three Napier Sea Lion petrol engines, each driving a single shaft, and could reach speeds of around 30-35 knots. Each boat could carry two 18 inch torpedoes which were stored internally on rails above the engines. On the stern were two more rails that could be folded down to the transom, extending the torpedoes' rails outside of the boat. The torpedoes fired facing forwards down the rails, after which the boat that fired them would have to turn to evade their path. In addition to torpedoes, the boats were also armed with a number of depth charges and, depending on the exact boat, up to eight Lewis guns.

MTB 1, the first of the boats, was redesignated MTB 7 in 1937. Similarly, MTB 7 was redesignated MTB 1 in the same year. In 1938, the former MTB 1, now MTB 7, was redesignated MTB 13. At the same time, MTB 13 was redesignated MTB 7. Finally, later in 1938, the former MTB 1, now MTB 13, was again redesignated MTB 19. Thus, by the start of WWII, the boats were numbered MTBs 1-12 and 14-19 and formed two MTB flotillas: 1st MTB Flotilla, consisting of MTBs 1-6 and 14-19; and 2nd MTB Flotilla, consisting of MTBs 7-12.

The 1st MTB Flotilla was sent to the Mediterranean at the start of WWII and was based at HMS Vulcan in Malta. They were soon recalled back to England in December 1939 to be based at HMS Beehive, Felixstowe, though MTB 19 was sent to HMS Vernon, Portsmouth. Along the way back, due to bad weather, MTB 6 had to be foundered. After they arrived, the remaining boats continued to operate in the English Channel until they were either lost or replaced. Those lost were MTBs 15, 16, and 17, all of which were mined in 1940.

The 2nd MTB Flotilla was commissioned in 1938 and assigned to HMS Tamar, Hong Kong. They were all lost during the Battle of Hong Kong in December 1941. MTB 8 was bombed by IJN aircraft and was damaged beyond repair, and MTB 12 was sunk in action by IJN landing craft. The remainder of the 2nd MTB Flotilla was scuttled on 26th December 1941.

Media

See also

• MTB-1 (Family)
• MTB-1(2)
• MTB Vosper
• Fairmile A (ML100)

External links

• unithistories.com - Royal Navy Coastal Forces 1940-1945
• naval-history.net - British vessels lost at sea in World War 2 - MGB, MTB, SGB, ML, etc - originally published in British Vessels Lost at Sea, 1935-45, His Majesty's Stationary Office, 1947
• mwadui.com - Royal Navy Coastal Forces - Hong Kong
• Coastal Forces Heritage Trust - History
• yalumba.co.uk - British Power Boat Co Page 1 and British Power Boat Co Page 5
• Wikipedia - Coastal Forces of the Royal Navy