Saint Chamond | |
|---|---|
| Country | France |
| Type | Medium Tank |
| Mass | 23 tonnes |
The Saint-Chamond was the second French heavy tank of the First World War, with 400 manufactured from April 1917 to July 1918. Although not a tank by the present-day definition, it is generally accepted and described as such in accounts of early tank development. Born of the commercial rivalry existing with the makers of the Schneider CA1 tank, the Saint-Chamond was an underpowered and fundamentally inadequate design. Its principal weakness was the Holt “caterpillar” tracks. They were much too short in relation to the vehicle’s length and heavy weight (23 tons). Later models, however, attempted to rectify some of the tank’s original flaws by installing wider and stronger track shoes, thicker frontal armour and the more effective 75mm Mle 1897 field gun. Altogether 400 Saint-Chamond tanks were built including 48 unarmed Caisson tanks. The Saint-Chamond tanks remained engaged in various actions until the late summer of 1918, belatedly becoming more effective since combat had moved out of the trenches and onto open ground. Eventually, however, the Saint-Chamond tanks were scheduled to be entirely replaced by imported British heavy tanks.
Source: Saint Chamond on Wkipedia
| Saint Chamond – WalkAround | |
|---|---|
| Photographer | Unknow |
| Localisation | Unknow |
| Photos | 68 |
| Saint Chamond – WalkAround | |
|---|---|
| Photographer | Unknow |
| Localisation | Unknow |
| Photos | 47 |
Overview and Context
The Saint-Chamond was the second French heavy assault tank to enter service during World War I, with approximately 400 units produced between 1917 and 1918. Born out of industrial rivalry with the manufacturers of the first French tank (the Schneider CA1), it was an ambitious but deeply flawed design.
Its primary goal was to bring the firepower of a potent artillery piece, the French 75 mm field gun, directly against enemy trenches and fortifications.
Design and Specifications
- Shape and Hull: It had a long, boxy superstructure with significant overhangs at both the front and rear of the vehicle, extending well beyond the relatively short, narrow tracks. This gave it a massive, ungainly silhouette.
- Main Armament: A long-barreled 75 mm gun (either the Saint-Chamond L12C TR or the standard Mle 1897 field gun in later versions) was rigidly mounted in the front of the hull, offering only a very limited traverse.
- Secondary Armament: Four 8 mm Hotchkiss machine guns, one mounted in each side (front, rear, left, right).
- Propulsion: The tank used a complex and innovative petrol-electric transmission system (Crochat-Colardeau). A 90 hp Panhard engine drove a generator, which in turn powered two electric motors linked separately to each track. This allowed for smooth steering but was heavy and prone to overheating and mechanical issues.
- Crew: The tank typically required a large crew of eight to nine men.
- Armor: Initially thin, with maximum armor plating of around 11.5 mm on the front and 8.5 mm on the sides. Later models increased side armor to 17 mm and added a spaced layer to the front to resist German armor-piercing bullets.
Combat Performance and Flaws
Despite its powerful main gun, the Saint-Chamond was plagued by critical operational deficiencies:
- Trench Crossing: The overly long hull combined with the relatively short track length and heavy forward weight caused the tank’s nose to violently dig into the ground or get irrevocably stuck in trenches and shell craters, making it notoriously poor for traversing the scarred terrain of the Western Front.
- Underpowered: The 90 hp engine was inadequate for the tank’s operational weight of around 23 metric tons, severely limiting its cross-country speed and agility (top speed was only about 8-12 km/h).
- Vulnerable: Its thin side armor left the crew vulnerable to heavy machine gun fire, a major issue that was only partially addressed in late-production models.
The Saint-Chamond remained in service until late 1918, mostly performing as a self-propelled gun or being converted into unarmed supply/recovery vehicles, as it was eventually superseded by the more reliable and tactically superior Renault FT light tank and imported British heavy tanks.
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