Type 3 75 mm Tank Gun

The Type 3 75 mm Tank Gun was used as the main armament of the Imperial Japanese Army Type 3 Chi-Nu medium tank. It was one of the largest guns ever to be fitted on a World War II Japanese tank.

Design and use

Type 3 Chi-Nu medium tank with the Type 3 75 mm tank gun.

The Type 3 had a caliber of 75 mm (3.0 in), barrel length of 2.850 m (9 ft 4.2 in)[1] (L/38). As fitted to the Type 3 Chi-Nu, elevation was from -10 to +25 degrees.[2] It had a muzzle velocity of 680 metres per second (2,200 ft/s) and an armor penetration of 90 millimeters at a range of 100 meters and 65 millimeters at a range of 1,000 meters. It shot a 6.6 kilogram projectile. This gun was based on the Japanese Type 90 field gun which in turn was loosely based on the French Schneider et Cie Canon de 85 mle 1927. The Type 3 gun was license-built by the Osaka Arsenal.[3][4]

The Type 3 Chi-Nu tank, in which the gun was mounted, was the most powerful tank in regular series production for the Imperial Japanese Army during World War II. The Type 3 Chi-Nu was developed to cope with the M4 Sherman.[5] By 1943, the low priority given to tank production meant that the Type 3 did not actually enter production until 1944. By that time, the material and industrial shortages faced by Japan caused production of the tank to be delayed.[6] The Type 3 was allocated to the Japanese home islands to defend against the projected Allied Invasion. As the surrender of Japan occurred before that invasion, the Type 3 was never used in combat.[7] Between 1944 and 1945, a total of 144 to 166 Type 3 Chi-Nu tanks were produced.[8][9][10]

One surviving Type 3 medium tank with its Type 3 75 mm tank gun is on display at the Japan Ground Self-Defense Force Military Ordnance Training School at Tsuchiura, Ibaraki, Japan.

References

  1. ↑ Tomczyk, Andrzej, Japanese Armor Vol. 4, AJ Press, 2005, p. 3. ISBN 83-7237-167-9.
  2. ↑ Taki's Imperial Japanese Army: "Tank Guns"
  3. ↑ Tomczyk, Japanese Armor Vol. 4, 2005, p. 3.
  4. ↑ History of War Type 3 Chi-Nu Medium Tank
  5. ↑ Taki's Imperial Japanese Army: "Tanks after Chi-Ha" Retrieved 2 May 2016
  6. ↑ Tomczyk, Japanese Armor Vol. 4, 2005, p. 5.
  7. ↑ Zaloga Steven J., Japanese Tanks 1939-45, Osprey Publishing, 2007, pp. 21, 22, ISBN 978-1-8460-3091-8.
  8. ↑ Zaloga, Japanese Tanks 1939-45, p. 22.
  9. ↑ Taki's IJA: Type 3 Chi-Nu Retrieved 2 May 2016
  10. ↑ Tomczyk, Japanese Armor Vol. 4, 2005, p. 5.
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