SIDAM 25

The SIDAM 25 [3] is a self-propelled anti-aircraft gun developed in Italy from the chassis of the American M113 armoured personnel carrier. Due to the choice of basic chassis for the Sidam 25, components and spare parts were both cheap, and readily available due to the widespread use of the basic M113. Beginning production in 1987, OTO Breda built a large turret to accommodate the four Oerlikon KBA cannons and remodelled the hull of the M113 slightly to provide side-access to the internal space of the vehicle by the addition of a side-mounted door.

[1] SIDAM 25
SIDAM 25
TypeSelf-propelled anti-aircraft gun
Place of originItaly
Specifications
Mass12,500 kg (27,600 lb)
Length5.04 m (16 ft 6 in)
Width2.69 m (8 ft 10 in)
Height1.83 m (6 ft 0 in) minus turret
Crew3
Armor38 mm aluminum
Main
armament
4 × 25 mm Oerlikon KBA cannon
EngineDetroit Diesel 6V-53
215 hp (160 kW)
Suspensiontorsion-bar
Operational
range
500 km (310 miles) [2]
Maximum speed 68 km/h (42 mph)

Armament

The Oerlikon KBA cannon has an effective range of about 2,500 m (8,200 ft) and can engage low-flying targets with accuracy within that range. Firing at 2,440 rounds per minute, the turret contains 150 rounds of high-explosive fragmentation ammunition for each gun. An internal magazine also houses 40 APDS rounds that can be used against enemy vehicles. The turret can rotate through 360° and the guns can be raised 87° or lowered 5° from the horizontal position. Firing slots in the turret and hull are provided.

Fire control and observation

Target engagement is made using an optronic fire control system and a laser rangefinder, but due to the lack of radar reduces its targeting capability in deteriorated weather conditions.[1]

Propulsion

The Sidam 25 is powered by a single 6-cylinder Detroit 6V-53 engine, which delivers 215 hp (160 kW) and drives the Sidam 25 to a top road speed of 68 km/h (42 mph) and allows the vehicle to climb vertical obstacles of 0.6 m (2.0 ft) in height and climb gradients with a 60% incline and cross trenches up to 1.7 m (5.6 ft) wide.[1]

Operators

See also

Non-NATO

References
  1. http://www.military-today.com/artillery/sidam.htm
  2. Hogg, Ian. Twentieth-Century Artillery. New York: Barnes & Noble Books, 2000. ISBN 0-7607-1994-2 p. 249
  3. http://www.esercito.difesa.it/Equipaggiamenti/Artiglierie/Controaerei/SistemidArma/Pagine/SIDAM.aspx
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