40 mm anti-aircraft automatic cannon m/48 (Lvakan m/48)
40 mm anti-aircraft automatic cannon m/48 (Lvakan m/48)
Automatic cannon intended for air and sea targets.
Two guns together with fire control equipment formed a anti-aircraft troop (LV troop). The squad was fixedly grouped or mobile.
Gotland's coastal artillery defense included a fixed LV troop in the 15.2 cm batteries at Bungenǎs, Trelge and the 21 cm battery at Hultungs.
Battery Slite 1 included one fixed and one mobile troop.
The 15.2 cm mobile battery m/37 included a mobile squad.
Normally, the pieces were machine-aligned by remote control from
the fire control instrument, alternatively with proximity control from the aiming position.
As a reserve, hand straightening without a machine was used.
Max firing range: approx. 5000 m
Rate of fire: 240 rounds/min
Ammunition: tracer grenade with zone tube or instant tube
Projectile weight: 2.10kg
Output speed: 960 m/sec
Direction normal: Machine direction
Direction reserve: Hand direction
Directional speed: 85 degrees/sec
Crew: 7 men
The 40 mm cannon was part of the war organization from the end of the 40s until the decommissioning of the Gotland Coast Artillery Regiment KA 3 in 2000.