47 mm Schneider

47 mm Schneider
Name	47 mm Schneider
Origin	France
Type	Anti-tank gun
Designer	Émile Schneider
Manufacturer	Schneider et Cie
In service	1916–1945
Wars	World War I, World War II, Spanish Civil War
Weight	420 kg
Caliber	47 mm
Rate of fire	15 rpm
Velocity	630 m/s
Range	4,000 m

47 mm Schneider is a French small-caliber gun developed by Schneider et Cie during the early 20th century and fielded as an anti-tank and infantry support weapon. It saw service in World War I and World War II, and was exported or captured by multiple states, appearing in conflicts such as the Spanish Civil War and engagements involving Italy, Germany, and Belgium. The design reflects early anti-armor thinking alongside contemporaries from firms like Putilov, Vickers, and Krupp.

Design and Development

Schneider et Cie, based in Le Creusot, initiated work following experiences at the Battle of the Marne and the First Battle of Ypres, seeking a gun capable of defeating early armored cars and field fortifications. Lead designer Émile Schneider consulted ordnance officers from École Polytechnique and trialed concepts alongside prototypes from Hotchkiss and Société des forges de Châtillon-Commentry engineers. Trials at the Bourges testing grounds and comparative firings against armor plates supplied by Saint-Chamond informed breech, recoil, and carriage choices. The gun used a single-piece interrupted-screw breech patented in cooperation with technicians formerly of Ateliers de construction de Levallois-Perret and a hydro-spring recoil system similar to mechanisms examined at workshops in Toulon and Cherbourg.

Initial acceptance followed demonstrations before delegations from the Ministry of War (France), with production contracts awarded to Schneider and subcontracts issued to firms in Nancy and Metz. The design philosophy balanced mobility favored by commanders from Général Joffre's staff and the need for higher muzzle velocity advocated by officers influenced by lessons from the Russo-Japanese War and observations of HMS Dreadnought era ordnance.

Technical Specifications

The weapon employed a 47 mm caliber barrel of approximately 1.8 m length, chambered for fixed QF rounds developed at the Atelier de Construction de Puteaux arsenal. The interrupted-screw breech borrowed features from De Bange-type systems and was matched to a hydro-spring recoil assembly tested at the Centrale des Arts et Manufactures. Carriage options included a box trail and a split-trail variant trialed by personnel attached to Fort de Douaumont and units from Sainte-Menehould.

Ammunition types encompassed armor-piercing capped projectiles, high-explosive shells, and incendiary rounds produced in workshops in Grenoble and Lyon. Ballistics testing at ranges near Reims produced muzzle velocities around 630 m/s and effective direct-fire ranges to 1,200 m against moving targets and up to 4,000 m in indirect fire. Optics for direct fire used sighting systems from Optique et Précision de Paris, while mounting points allowed compatibility with rangefinders developed by engineers connected to Institut Pasteur-affiliated technical units.

Manufacturing tolerances and metallurgy were influenced by suppliers in Saint-Étienne and Levallois-Perret, with steel forgings heat-treated to standards inspired by work at École des Mines de Paris. Crew drills were codified in manuals produced by the Service Historique de la Défense planning office.

Operational History

Frontline deployment began in 1916 with batteries attached to Infantry Regiments and later to ad hoc anti-tank detachments organized after encounters at Battle of Verdun and Battle of the Somme. Crews trained at depots established near Saint-Nazaire and supported offensives during the Nivelle Offensive and later mobile actions of 1918 influenced by doctrines from staff officers trained at École de Guerre.

Between wars, units in Fortifications of the Maginot Line received upgraded stocks, and export customers included Spain, Greece, and Romania, with many weapons later captured by forces of Nazi Germany after the Battle of France in 1940. Captured pieces were reissued to units within the Wehrmacht and to the Italian Social Republic's formations fighting in the Balkans, while some saw action with Vichy France and Free French detachments. Spanish Republican and Nationalist forces used them during the Battle of Guadalajara and siege actions near Madrid.

Combat reports from crews cite effectiveness against early tanks like the Renault FT and against armored cars fielded by White movement units in the Russian Civil War. As armor improved with interwar designs such as those fielded by Germany and Soviet Union, the gun's role shifted toward infantry fire support and use as an anti-material piece.

Variants and Derivatives

Schneider produced several marks, including a short-barrel infantry support version adapted for trench warfare and a long-barrel anti-tank mark with improved chambering. License-built derivatives were manufactured under contract by firms in Belgium and Czechoslovakia, influenced by carriage alterations proposed by engineers from Skoda Works and ammunition standardization efforts promoted by delegations from Vickers-Armstrongs.

Captured German inventories prompted modifications incorporating German sighting gear from Zeiss and rechambering experiments to use cartridges from 7.5 cm Pak 97/38 stocks. Colonial users in Algeria and Morocco requested lighter carriages for mounted operations, leading to mule-packable versions developed with assistance from technicians associated with the Compagnie Générale Transatlantique.

Surviving Examples and Museums

Surviving guns are exhibited at military museums such as the Musée de l'Armée in Paris, the Bundeswehr Museum of Military History in Dresden, the Museo del Ejército in Toledo, and regimental collections in Brussels and Bucharest. Restoration projects have involved conservation teams from ICOM-affiliated museums and metallurgists from Muséum national d'Histoire naturelle collaborating with curators at the Musée d'Artillerie.

Private collections in Kent and Württemberg hold examples, and operational reproductions have been displayed at living history events organized by groups linked to The Royal Armouries and the Imperial War Museum. Preservation notes are available through workshops associated with Conservation-Restauration programs at universities such as Sorbonne University.

Category:Artillery of France