M39 (cannone)

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M39
Un M39 installato nel muso di un F-5 brasiliano
Tipocannone automatico aeronautico
OrigineStati Uniti (bandiera) Stati Uniti
Impiego
ConflittiGuerra di Corea
Produzione
Data progettazionetardi anni '40
CostruttoreSpringfield Armory
Entrata in servizio1952
Ritiro dal servizioancora in uso
Descrizione
Peso81 kg
Calibro20 mm
Munizioni20 mm × 102 mm
Peso proiettile101 g
Numero canne1
Cadenza di tiro1500 colpi/min
Velocità alla volata1030 m/s
Alimentazionetamburo rotante da 5 celle
voci di armi d'artiglieria presenti su Wikipedia

L'M39 è un cannone automatico di tipo revolver con derivazione diretta dal Mauser MG 213 tedesco.

Storia

Il M39 fu sviluppato dalla Springfield Armory, ispirandosi al cannone tedesco della seconda guerra mondiale Mauser MG 213, da 20 mm (e 30 mm) creato per la Luftwaffe, che non vide impiego operativo. Fu scelto il calibro minore (20 mm) per incrementare la cadenza di tiro a scapito della potenza.[1]

Denominato inizialmente T-160, fu installato in alcuni esemplari di F-86 Sabre nell'ambito del programma "GunVal" del tardo 1952, ed usato in battaglia in Corea all'inizio del 1953. Fu conseguentemente adottato come armamento standard del F-86H, F-100 Super Sabre, F-101A Voodoo, e del F-5 Freedom Fighter. Le versioni attuali (2000) del F-5 Tiger II utilizzano ancora la versione M39A2 che fu introdotta nel 1964.[2]

Note

  1. ^ Jane's Ammunition Handbook, Coulsdon: Jane's Information Group Ltd., 1993, p. 40.
  2. ^ Jane's Air Launched Weapons, Coulsdon: Jane's Information Group Ltd., 2000, p. 602.

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