3,7 cm gun vz. 38 ÚV ( Skoda A7 )
Tank gun of 37 mm calibre with a barrel 50 calibre long. It has a semi-automatic vertical wedge bolt. The barrel of this gun was monoblock. The hydraulic brake mechanism was located above the barrel and inside the gun. This gun was designed as a tank gun from the beginning. The shortcomings of its předchůdce vz. 34 ÚV were removed. The short hatch suited the location in a tank. The ejection of empty cartridges was improved and the function of the semi-automatic bolt system was improved.
It reached a theoretical rate of fire of 25 rounds per minute, allowing 12 - 15 rounds per minute. The střelbě was used to fire a třshield-tearing grenade and an anti-tank grenade.
It formed the main armament of the tanků vz. 38. When placed in the tank's vz. 38, its range was from -10 to +25°.
The TTD of the vz 38 ÚV gun
calibre : 37 mm
weight of the guně : 275 kg
barrel length : 50 calibre / 1858 mm
muzzle velocity : 750 m/s (anti-tank)
Stretch speed : 730 m/s ( třtřshield-tearing )
Range : 1 500 m (direct wall, anti-panic)
max. range : 4 000 m (5° non-flat, tight-tearing)
Munice
- 1.42 kg full charge / 0.825 kg grenade
- anti-personnel grenade weighing 1.47 kg full charge / 0.85 kg grenade
Anti-personnel grenade
43 mm at an angle of 30° at a distance of 500 m
30 mm at an angle of 30° at a distance of 1000 m
Sources :
- V.Frantsev, Ch.Kliment, Československaya armoured vehicles, Ares, ISBN 80-86158-06-3
- V.Kralický, Českoslovakian dělostřelec weaponsě, Naše vojsko, 1975
- author's archive
Tank gun of 37 mm calibre with a barrel 50 calibre long. It has a semi-automatic vertical wedge bolt. The barrel of this gun was monoblock. The hydraulic brake mechanism was located above the barrel and inside the gun. This gun was designed as a tank gun from the beginning. The shortcomings of its předchůdce vz. 34 ÚV were removed. The short hatch suited the location in a tank. The ejection of empty cartridges was improved and the function of the semi-automatic bolt system was improved.
It reached a theoretical rate of fire of 25 rounds per minute, allowing 12 - 15 rounds per minute. The střelbě was used to fire a třshield-tearing grenade and an anti-tank grenade.
It formed the main armament of the tanků vz. 38. When placed in the tank's vz. 38, its range was from -10 to +25°.
The TTD of the vz 38 ÚV gun
calibre : 37 mm
weight of the guně : 275 kg
barrel length : 50 calibre / 1858 mm
muzzle velocity : 750 m/s (anti-tank)
Stretch speed : 730 m/s ( třtřshield-tearing )
Range : 1 500 m (direct wall, anti-panic)
max. range : 4 000 m (5° non-flat, tight-tearing)
Munice
- 1.42 kg full charge / 0.825 kg grenade
- anti-personnel grenade weighing 1.47 kg full charge / 0.85 kg grenade
Anti-personnel grenade
43 mm at an angle of 30° at a distance of 500 m
30 mm at an angle of 30° at a distance of 1000 m
Sources :
- V.Frantsev, Ch.Kliment, Československaya armoured vehicles, Ares, ISBN 80-86158-06-3
- V.Kralický, Českoslovakian dělostřelec weaponsě, Naše vojsko, 1975
- author's archive
