Pak 57
The Pak 57 was an Swiss anti-tank gun used by the Swiss army.
| Pak 57 Anti Tank gun | |
|---|---|
 Pak 57 | |
| Type | Anti-tank gun |
| Place of origin | Switzerland |
| Service history | |
| Used by | Switzerland |
| Wars | none |
| Production history | |
| Designed | 1940s |
| Specifications | |
| Mass | 716 kg (1,579 lb) |
| Crew | 3-4[1] |
| Cartridge | Fixed HEAT 3.15 kg (6 lb 15 oz)[1] |
| Caliber | 90 mm (3.5 in) |
| Rate of fire | 10 rounds per minute |
| Muzzle velocity | 600 m/s (2,000 ft/s) |
| Maximum firing range | 1 km (0.62 mi)[1] |
Development
After the second World War, Switzerland sought to retrofit its armed forces, their anti tank guns at the time were mostly older German 75mm guns that were not sufficient for their needs. The Pak 57 and Pak 50 designs were the first domestic designs intended to replace them. The Pak 57, though slightly heavier than the Pak 50, had a very short barrel for an anti-tank gun and was much lighter than foreign designs such as the 90 mm Gun M1/M2/M3. The HEAT round could penetrate 250 mm (9.8 in) of armor at 1 km (0.62 mi).[1]
Both the Pak 50 and Pak 57 served with the Swiss fusilier battalions.[2]
Notes
- Foss, Christopher (1977). Jane's pocket book of towed artillery. New York: Collier. p. 51. ISBN 0020806000. OCLC 911907988.
- Pretty, Ronald. Jane's Weapon Systems, 1979-80 (1979 ed.). Macdonald and Jane's Publishers Ltd. pp. 362–391. ISBN 978-0531032992.
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