OB-155-50 BF war

155mm Howitzer M50 BF

PaísFrancia
PapelObús
ProducidoUnknow
Construido1080

el Obús Modelo 50 de 155 mm, también conocido como OB-155-50 BF, es un obús francés de 155 mm, calibre 23. Fue la primera unidad de artillería de diseño francés desde la Segunda Guerra Mundial, y entró en servicio en 1952. Fue reemplazado en Francia por el cañón TRF1, pero permaneció en servicio en la reserva francesa hasta finales de la década de 1990, así como en otros ejércitos.

Fuente: Obús de 155 mm M50 BF en Wikipedia
155mm Howitzer M50 BF Walk Around
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Ver también:

Segunda Guerra Mundial: La historia visual definitiva de la guerra relámpago a la bomba atómica (DK Definitive Visual Histories) - Amazon Segunda Guerra Mundial Mapa por Mapa (DK History Mapa por Mapa) - Amazon


Operational Context and Development

el M-50 155mm (often referred to with the suffix BF for its French Bofors-influenced heritage) was a creative Israeli solution to a lack of mobile heavy artillery. By taking the powerful French Obusier de 155 mm Modèle 50 and mounting it onto a heavily modified M4 Sherman tank chassis, the IDF created a highly capable self-propelled gun. This vehicle saw extensive combat during the War of Attrition and the Yom Kippur War, where its ability to reposition quickly proved vital in avoiding counter-battery fire.

Attribute Standard Specification (M-50 155mm)
Papel Self-Propelled Howitzer (SPH)
Chassis Modified M4 Sherman (M4A4 or M4A3)
Primary Armament 155mm Obusier Modèle 50 (L/30)
Maximum Range Approx. 17,600 to 23,300 meters (depending on shell)
Equipo 8 (Commander, Driver, Gunner, 5 Loaders)
Combat Weight 31 Tonnes
Motor Cummins VT 8-460-Bi Diesel (460 hp)
Top Speed 45 km/h (28 mph)

Design Characteristics and Firepower

  • The “Sherman” Modification: To balance the weight of the massive 155mm gun, the engine was moved forward to the front-right of the hull, and the rear was converted into an open-topped firing compartment.
  • Fuego: The Modèle 50 gun featured a large slotted muzzle brake to handle the recoil. It could fire a 43 kg (95 lb) HE shell with high lethality.
  • Elevation and Arc: The gun provided a high elevation range of -4° to +69°, allowing it to function both as a direct-fire weapon in emergencies and a high-angle howitzer for indirect support.
  • Manual Operation: Despite its size, the loading and aiming were manual, requiring a large crew of five loaders to maintain a sustained rate of fire of 2 rounds per minute.

Mobility and Combat Service

  • HVSS Upgrade: Most M-50s were upgraded with Horizontal Volute Spring Suspension (HVSS) and wider tracks to better manage the vehicle’s increased weight over soft desert sand.
  • Open-Topped Design: While the armor protected the crew from small arms and splinters from the front and sides, the open top left them vulnerable to overhead bursts and weather.
  • Despliegue: The M-50 was the workhorse of Israeli artillery until the arrival of the fully enclosed American M109 Paladin. Even then, many remained in reserve units well into the late 1980s.

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