The V-3 was a German World War II large-caliber gun working on the multi-charge principle whereby secondary propellant charges are fired to add velocity to a projectile. Two full-size guns were built
The prototype V-3 cannon at Laatzig, Germany (now Zalesie, Poland) in 1942.
Remains of V-3 in Zalesie near Międzyzdroje, Wolin Island, Poland (2008)
Accelerating gun (1881) by James Richard Haskell
Accelerating gun by Lyman and Haskell (1883).
V-weapons, known in original German as Vergeltungswaffen, were a particular set of long-range artillery weapons designed for strategic bombing during World War II, particularly strategic bombing and a
V-3 cannon
…The V-3 (German: Vergeltungswaffe 3, lit. 'Vengeance Weapon 3') was a German World War II large-caliber gun working on the multi-charge principle whereby secondary propellant charges…