U.S. Anti-Aircraft gun 90mm M1A2 from WWII found in Blaine WA, U.S.A.
Type:Anti-Aircraft gun, Place of origin:United States, Service history:In service 1940--1950s, Used by United States Canada World War II, Korean War Specifications Weight Total: 8,618 kg (18,999 lb), Barrel: 1,109 kg (2,445 lb),Length 4.73 m (15 ft 6 in),Barrel length 4.60 m (15 ft) L/53, Width 4.16 m (13 ft 9 in),Height 3.07 m (10 ft), Shell 90×600 mm. R, Caliber 90 mm (3.5 in),Carriage mobile, Elevation +80 to −5 degrees, Traverse 360 degrees Rate of fire 25 rounds per minute (at most) Muzzle velocity 823 m/s (2,700 ft/s) Effective range Maximum horizontal: 17,823 m (58,474 ft) Maximum ceiling: 10,380 m (34,060 ft) (limited by 30 second fuse)
Type:Anti-Aircraft gun, Place of origin:United States, Service history:In service 1940--1950s, Used by United States Canada World War II, Korean War Specifications Weight Total: 8,618 kg (18,999 lb), Barrel: 1,109 kg (2,445 lb),Length 4.73 m (15 ft 6 in),Barrel length 4.60 m (15 ft) L/53, Width 4.16 m (13 ft 9 in),Height 3.07 m (10 ft), Shell 90×600 mm. R, Caliber 90 mm (3.5 in),Carriage mobile, Elevation +80 to −5 degrees, Traverse 360 degrees Rate of fire 25 rounds per minute (at most) Muzzle velocity 823 m/s (2,700 ft/s) Effective range Maximum horizontal: 17,823 m (58,474 ft) Maximum ceiling: 10,380 m (34,060 ft) (limited by 30 second fuse)