Canon de 194 mle GPF

The Canon de 194 GPF (Grand Puissance Filloux - "High-Power" Filloux) - was the first French tracked self-propelled gun (SPG). Designed at the end of World War I, it was a pioneering weapon with many modern features.

Canon de 194 GPF
Saint Chamond 194mm GPF at the US Army Artillery Museum at Ft. Sill, Oklahoma.
TypeSelf-propelled artillery
Place of originFrance
Service history
In service1920-1942
Used byFrance
Nazi Germany
Italy
WarsWorld War II
Production history
DesignerLouis Filloux
Émile Rimailho
Designed1918
ManufacturerSaint-Chamond
Puteaux
Produced1918-1919
No. built50
Variants19,4 cm Kanone 485/585 (f)
Specifications
Mass29,600 kg (65,300 lb)[1][2]
Barrel length6.57 m (21 ft 7 in) L/42.2[2]
Width2.54 m (8 ft 4 in)[1]
Height7.775 m (25 ft 6 in)[1]
Shell80.86 kg (200 lb)
Caliber194 mm (7.63 in)
Elevation0° to 40°[1]
Traverse55°[2]
Muzzle velocity640 m/s (2,100 ft/s)[2]
725 m/s (2,380 ft/s)[1] (from 1921)
Maximum firing range18,300 m (20,000 yd)[2]
20,800 m (22,700 yd)[1] (from 1921)
Main
armament
194 mm (7.6 in) gun
EnginePanhard SUK4 M2
120 hp (89 kW)
Maximum speed 8-10 km/h (5-6 mp/h)

Design

The vehicle was designed by colonel Émile Rimailho, deputy chief executive officer of the compagnie des forges et aciéries de la marine (Saint-Chamond).[3] The 194 mm gun was a derivative of the 155 mm GPF[4][2] and was designed at Atelier de Construction de Puteaux by Louis Filloux.[1] A prototype was manufactured with a 155 mm gun but a weapon of 194 mm calibre was eventually chosen since tracked self-propelled guns were heavy and expensive vehicles and only the more powerful guns were to be used. Saint-Chamond also designed the Mortier 280 mm TR de Schneider sur affût-chenilles St Chamond. Both SPGs used the same two tracked vehicles, avant-train (lead vehicle) and affut-chenille (gun chassis).[5][4] The lead vehicle carried ammunition and a 120 horsepower (89 kW) Panhard[1][6] SUK4 M2[7] electrical generator. Both vehicles were powered by two electric motors,[8] energy being sent to the affut by a flexible electric cable. The gun barrel was displaced at the rear of the chassis when the vehicle had to move.[9] Compared to a contemporary British vehicle, the Gun Carrier Mark I which was a tracked vehicle upon which a field gun was sat, the Canon de 194 was much more advanced; it was driven by only one person, had hydraulic brakes and the gun had automatically adjusting recoil mechanisms[1] and pneumatic recuperators.

Service

Production began in April 1918. Two days before the armistice, the vehicle, without its Puteaux gun, was tested at Saint-Chamont plant.[1] By June 1919, Saint-Chamond was still waiting for the delivery of the oscillating mass,[10] a key component manufactured by Puteaux.[11]

During the interwar, they served in an artillery regiment in Valence, alongside the 280 mm SPGs.[9]

36 were still in service at the outbreak of World War II[12] and some were captured by the invading German forces.[9] Surviving vehicles were pressed into Wehrmacht service as the 19.4 cm Kanone 485 (f) auf Selbstfahrlafette.[13] At least three of them were used by the Germans in Russia in about 1942.[8] Two were used by the Italians as coastal guns near Rome under the designation Cannone da 194/32.[14]

Germans also reused the guns on new fixed carriages. The 19,4 cm Kanone 485/585 (f) were used for coastal defense in Denmark.[13]

The only surviving example can be found at the U.S. Army Artillery Museum at Fort Sill, OK.

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References
  1. Vauvillier 2007, p. 71.
  2. Hogg 2000, p. 76.
  3. Vauvillier 2006, p. 27.
  4. Vauvillier 2007, p. 70.
  5. Vauvillier 2006, p. 30.
  6. Vauvillier 2006, p. 32.
  7. "Allemagne Heer et l'Héritage Francais I° partie les Blindés :Maquetland.com:: Le monde de la maquette". www.maquetland.com (in French). Retrieved 2020-07-23.
  8. "Le canon automouvant 194 GPF". artillerie.asso.fr (in French). Retrieved 2020-07-23.
  9. Vauvillier 2007, p. 75.
  10. Vauvillier 2007, p. 73.
  11. Vauvillier 2007, p. 74.
  12. "L'artillerie automotrice 1914-1918". artillerie.asso.fr (in French). Retrieved 2020-07-23.
  13. "Automouvant Saint-Chamond 194mm Aberdeen :Maquetland.com:: Le monde de la maquette". www.maquetland.com. Retrieved 2020-07-23.
  14. Clerici, Carlo Alfredo (1996). Le difese costiere italiane nelle due guerre mondiali (in Italian). Parma: Albertelli Edizioni Speciali. p. 25.

Sources
  • Hogg, Ian V. (2000). Twentieth-century artillery. New York: Barnes & Noble Books. ISBN 0-7607-1994-2. OCLC 44779672.
  • Chant, Chris (2005), Artillery, Amber Books, ISBN 1-904687-41-5
  • Vauvillier, François (November 2006). "La formidable artillerie à chenilles du colonel Rimailho - I. Les pièces courtes". Guerre, Blindés & Matériel (in French). No. 74. p. 26-35.
  • Vauvillier, François (February 2007). "La formidable artillerie à chenilles du colonel Rimailho - II. Les pièces longues". Guerre, Blindés & Matériel (in French). No. 75. pp. 68–75.
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