CZK - 4,7 cm kanón Škoda A9 / Škoda A9J

Tankový kanón

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4.7 cm Skoda A9 cannon

A 47 mm calibre tank gun with a 43.4 calibre long barrel. It had a semi-automatic vertical wedge breech. The barrel of this gun was monoblock. The brake mechanism was located above the barrel and inside the turret.
This gun was designed as a tank gun. The short breech suited placement in a tank turret. The ballistic performance of the gun was satisfactory to the army and the manufacturer. However, there were various glitches in the function of the semi-automatic. This subsequently led to the development of the A11 type.
A slightly modified A9J cannon was installed in the prototype of the Š-I-j assault self-propelled gun, which was developed for Yugoslavia and subsequently sold to the Waffen SS.

It achieved a theoretical rate of fire of 20 rounds per minute, while allowing 10 aimed rounds/min. A fragmentation grenade and an anti-tank grenade were used for firing.

TTD of the Skoda A9 gun

calibre : 47 mm
weapon weight : 420 kg
barrel length : 43.4 calibre / 2040 mm
muzzle velocity : 782 m/s ( anti-tank )
muzzle velocity : 660 m/s ( shatterproof )
effective range : 1 500 m ( direct fire, anti-tank )
max. range : 4 000 m ( indirect fire 8°, fragmentation-type )

Munice

- fragmentation grenade, 2.6 kg full charge / 1.5 kg grenade
- anti-tank grenade weighing 2.79 kg full charge / 1.65 kg grenade

Anti-tank grenade penetration

48 mm at an angle of 30° at a distance of 500 m
41 mm at an angle of 30° at a distance of 1000 m
35 mm at an angle of 30° at a distance of 1500 m

Sources :
- V.Francev, Ch.Kliment, Czechoslovak Armored Vehicles, Ares, ISBN 80-86158-06-3
- V.Kralicky, Czechoslovak artillery weapons, Our Army, 1975
- HPM 5 / 1995
- author's archive

URL : https://www.valka.cz/CZK-4-7-cm-kanon-Skoda-A9-Skoda-A9J-t71881#253289 Version : 0

Canon A 9 J

This gun was installed in the prototype tank Š-I-j, which Skoda produced for Yugoslavia. The order was for an armored vehicle armed with the heavier, not the Š-I-D delivered. The prototype was completed in May 1938 and the gun was delivered a little later. However, the deal did not materialize and the prototype was bought by the Waffen-SS on 17 September 1943.

TTD Š-I-j :

Weight : 5 800 kg

Length : 3585 mm
Width : 2050 mm
Height : 1800 mm

Armouring :
..... 30 mm čelo
..... 15 mm sides
..... 8 - 12 mm ceiling and bottom

The A 9 J gun of 47 mm calibre was installed in the čel ( 30 mm ) armour plate of the vehicle's fighting compartment. The gun's aiming range was from - 10 to + 25°, the recoil -/+15°. The tank was carrying 42 rounds of ammunition. Additional armament consisted of a vz. 30 machine gun with 1000 rounds.

Sources :
- V.Frantsev, Ch.Kliment, Československaya armoured vehicles, Ares, ISBN 80-86158-06-3
- V.Kralický, Českoslovakian dělostřelec weaponsě, Naše vojsko, 1975
- I am the author of the title according to the attachment
- HPM 5/1995

URL : https://www.valka.cz/CZK-4-7-cm-kanon-Skoda-A9-Skoda-A9J-t71881#253370 Version : 0

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125 - Protitanková řízená střela / Anti-tank guided missile

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123 - Výzbroj pozemní techniky - kanóny / Weapons of vehicles - guns

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124 - Výzbroj pozemní techniky - věže / Weapons of vehicles - turrets

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CZK - 4,7 cm kanón Škoda A9 / Škoda A9J

125 - Protitanková řízená střela / Anti-tank guided missile

123 - Výzbroj pozemní techniky - kanóny / Weapons of vehicles - guns

124 - Výzbroj pozemní techniky - věže / Weapons of vehicles - turrets

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