Hi. I noticed that in wikipedia in English, the muzzle velocity of Bofors 57mm m/47 is described as 686 m/s (2,250 ft/s) HE and 744 m/s (2,440 ft/s) AP, and for wikipedia in Swedish, it's 700 m/s, while the book "The Machine Gun Volume III" provided a chart with 2300 ft/s AP and 2440 ft/s HE. I...
How would Bofors' contraption compare to others, in WWII?
They nicknamed her the Grasshopper, since she was rather a handful, when in automatic!
Cartridge: 20x145R
Caliber: 20mm
Action: Recoil
Rate of fire: 360 rpm
Feed system: 28 rounds magazine