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30mm DS30B Mark I


LS30B


Overview


30mm DS30B

Right side view of a 30mm DS30B naval gun mount firing in remote control mode.
Source: Royal Navy - © Crown copyright

Origin
United Kingdom
Type
Naval gun
Entered service
1988
Status
In service
Development
Late 1970's - Mid 1980's
Developer
United Kingdom - Laurence, Scott & Electromotors Ltd. (LSE)
Production
Mid 1980's - ?
Producer
United Kingdom - LSE (<1991)
United Kingdom - MSI-Defence Systems (>1991)
Number produced
Over 100
Designations
LS30B (early name refers to Laurence, Scott)
30mm Gun Mounting Mark 1 (UK service)
Notable users
United Kingdom

Details


Facts 30mm DS30B
General
Origin
United Kingdom
Type
Naval gun
Ordnance
Type
30mm Oerlikcon KCB autocannon
Rate of fire
650 rpm
Range
3 km against surface targets
Muzzle velocity
1.080 m/s
Barrel life
5.000 rounds
Mount
Feed mechanism
Single belt feed
Ammunition
200 rounds on mount
Traverse
330°, powered
Traverse rate
55°/s
Elevation
-25° to +65°, powered
Elevation rate
55°/s
Operation
Crew
1 operator on mount for local control
Unmanned when using external control
Fire control
External control
Local control using gunsight
Stabilized
Yes
Power supply
External power supply
30 minute standalone operation
Dimensions
Weight
1.46 t
Length
3.52 m
Width
2.18 m
Height
2.37 m
Deck penetration
None

Media


Platforms


(note: incomplete list)

Daring class

UK class of destroyer. Two gun mounts, one on either side of bridge.

Lekiu class

Malaysian class of frigate. Two ships in class. Two gun mounts on either side of radar mast.

Huon class

Australian class of minehunter. Single gun mount on bow.

Related articles


30mm Oerlikon KCB

The DS30B Mark I is fitted with the Oerlikon KCB autocannon.

30mm DS30M Mark II

The DS30M replaced the KCB autocannon with a 30mm Bushmaster II, which is a more reliable gun with lower rate of fire.

30mm Oerlikon GCM-A

The DS30B was a more compact alternative to the earlier twin barrel GCM-A. While less effective against aircraft, a single 30mm autocannon is still rather effective against small craft.