Year | 1941 |
Weapon Type | Light Anti-Aircraft Gun |
Origin & Designer | Switzerland/Britain |
Numbers Produced | [@numbers_produced] |
Crew | 3 |
Calibre | 20mm L/70 (20x110RB) |
Elevation | -10° to +75° |
Traverse | 360° |
Breech | [@breech] |
Recoil | Spring |
Gun Sight | Ring Sight |
Gun Mount | [@gun_mounts] |
Carriage | HB Mk. I Mount |
Trailers | [@trailers] |
Gun Shield | [@gun_shield] |
Armoured Plate | [@armoured_plate] |
Barrel Length | 2.24m |
Overall Length | [@length] |
Width | [@width] |
Height | [@height] |
Weight | Weight in Transit: 510 kg Weight in Action: 366 kg |
Round Weight | 125g (HE) |
Muzzle Velocity | 820 m/s |
Feed | 60 Round Drum |
Magazine Capacity | [@magazine_capacity] |
Practical Rate of Fire | 320 r.p.m. |
Rate of Fire | [@rate_of_fire] |
Maximum Rate of Fire | 450 r.p.m. |
Maximum Ceiling | 3.050m |
Maximum Ground Range | 4.389m |
Maximum Range | [@maximum_range] |
Armour Penetration | [@armour_penetration] |
Traction | Motorized (Light Truck) |
Variants | [@variants] |
Notes | Initially designed in Germany and the patent sold to a Swiss firm, the Oerlikon became one of the most widely used light anti-aircraft guns in World War Two. It was mounted on naval vessels and aircraft plus issued to ground units. |