M7B1 Priest - Balade - NET-MAQUETTES

Prêtre M7B1
Pays	Royaume-uni
Type	Chariot à moteur d’obusier
Sujet	Album de 51 photos d’une arme à feu Prêtre M7B1

Lla 105 mm Obusier Motor Carriage M7 était un véhicule d’artillerie automoteur américain produit pendant la Seconde Guerre mondiale. Il a reçu le nom de service officiel 105 mm Self Propelled Gun, Prêtre par l’armée britannique, en raison de l’anneau de mitrailleuse en chaire, et à la suite de l’évêque et les canons automoteurs de Diacre contemporains.

M7B1 (en) : Pour terminer le quart de travail, le M7B1 (en) était entièrement basé sur le châssis M4A3 Sherman. Il a été normalisé en septembre 1943 et déclaré norme de remplacement en janvier 1945.

Source: Wikipedia

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The Evolution of Mobile Artillery

Lla Prêtre M7B1 was the refined, mid-war iteration of the U.S. Army’s primary self-propelled howitzer. While the original M7 was built on the chassis of the M3 Lee, the B1 variant transitioned to the more reliable and standardized M4A3 Sherman chassis. It earned its nickname from British crews, who noted that the cylindrical machine gun mount resembled a church pulpit. Unlike towed guns, the Priest could keep pace with fast-moving tank columns and deliver devastating fire support within minutes of stopping—a capability that redefined Allied blitzkrieg tactics.

Attribute	Technical Specification (M7B1)
Rôle	Self-Propelled Howitzer (105 mm)
Crew	7 (Commander, Driver, 5 Gun Crew)
moteur	Ford GAA V8 petrol (450–500 hp)
Vitesse maximale	39 km/h (24 mph) on road
Armement principal	105 mm Howitzer M2A1 (69 rounds)
Armement secondaire	1 × .50 cal (12.7 mm) M2 Browning MG
Armor	12 mm to 62 mm
Chassis Base	Medium Tank M4A3 (Sherman)

Design Engineering: The Power of the V8

The Ford GAA V8: The biggest technical shift from the M7 to the M7B1 was the engine. Replacing the temperamental Wright Continental radial with the massive, all-aluminum Ford GAA V8 provided more torque and simplified maintenance, as it shared parts with the most common US tanks of the late war.
Open-Topped Versatility: The open fighting compartment offered the crew 360-degree situational awareness and made reloading from ammunition trucks much faster. However, it left the crew vulnerable to mortar fire, airbursts, and snipers—a trade-off accepted for the sake of artillery efficiency.
Lla « Pulpit » MG Mount: Positioned at the front right, the .50 caliber machine gun ring gave the vehicle a formidable defense against infantry and low-flying aircraft. Its high position allowed for a clear field of fire even when the vehicle was hull-down in a firing pit.
Indirect & Direct Fire: While primarily an indirect fire weapon (lobbing shells over hills), the 105mm howitzer was terrifyingly effective in a direct-fire role against bunkers or buildings. It could even knock out heavy tanks with a well-placed High-Explosive (HE) or HEAT round at close range.

Operational History: From Normandy to Korea

Lla « Kangaroo » Conversion: In Normandy, some Priests had their guns removed to become « Defrocked Priests » or Kangaroos—early armored personnel carriers used to ferry infantry through heavy fire.
Logistical Standardization: The British eventually replaced their Priests with the Sacristain (which used the 25-pounder gun) to simplify their ammunition supply lines. This allowed the US to monopolize 105mm production for their own rapidly expanding armored divisions.
The Korean War and the M7B2: During the Korean War, the steep mountains required higher gun elevation. This led to the M7B2, which featured a raised howitzer mount and a taller « pulpit » to allow the gun to reach the 65-degree elevation needed for mountain warfare.
Worldwide Service: After WWII, the M7B1 was widely exported. It served in the militaries of over 15 nations, including Israel, where it played a significant role in the armored battles of the mid-20th century.