8-inch/35-caliber gun

Naval gun / From Wikipedia, the free encyclopedia

Dear Wikiwand AI, let's keep it short by simply answering these key questions:

Can you list the top facts and stats about 8"/35 caliber gun?

Summarize this article for a 10 year old

SHOW ALL QUESTIONS

The 8"/35 caliber gun Mark 3 and Mark 4 (spoken "eight-inch-thirty-five--caliber") were used for the main batteries of the United States Navy's first armored cruisers and the secondary batteries for their first battleships, the Indiana-class. The 8"/40 caliber gun Mark 5 initially armed the Pennsylvania-class armored cruisers.[1]

Quick facts: 8"/35 caliber Mark 3 & 4 / 8"/40 caliber...
8"/35 caliber Mark 3 & 4 / 8"/40 caliber Mark 5 Naval Gun
8_inch_35_caliber_Mark_4_USS_Indiana.jpg
Crewmen standing atop USS Indiana forward port side 8-inch gun turret, circa the later 1890s.
TypeNaval gun
Place of originUnited States
Service history
In service
  • Mark 3: 1890
  • Mark 5: 1894
Used byFlag_of_the_United_States_Navy.svg United States Navy
Wars
Production history
DesignerBureau of Ordnance
Designed1889
ManufacturerU.S. Naval Gun Factory
No. built
  • Mark 3: 19 (Nos. 9–21, 33–37, and 51)
  • Mark 4: 56 (Nos. 22–32, 38–50, and 52–83)
  • Mark 5: 24 (Nos. 84–107)
VariantsMarks 3–5
Specifications
Mass
  • Mark 3: 29,400 lb (13,300 kg) (without breech)
  • Mark 5: 40,151 lb (18,212 kg) (without breech)
  • Mark 5: 40,621 lb (18,425 kg) (with breech)
Length
  • Marks 3 & 4: 25 ft 4.5 in (7.73 m)
  • Mark 5: 28 ft 7 in (8.71 m)
Barrel length
  • Marks 3 & 4: 24 ft 7 in (7.49 m) bore (35 calibers)
  • Mark 5: 27 ft 10 in (8.48 m) bore (40 calibers)

Shell260 lb (120 kg) armor-piercing
Caliber8 in (203 mm)
Elevation
  • Marks 3 and 4: -5° to +20°
  • Marks 5 and 6: −4° to +13°
  • Marks 7, 8, and 9: −7° to +14°
Traverse
  • Bow and Stern Mountings: −150° to +150°
  • New York Amidships Mountings: 140°
  • Brooklyn Amidships Mountings: 140°
Rate of fire
  • 1890s: 0.5 – 0.8 rounds per minute
  • 1900s: 2 – 2.8 rounds per minute
Muzzle velocity
  • Marks 3 & 4: 2,100 ft/s (640 m/s)
  • Mark 5: 2,500 ft/s (760 m/s)
Effective firing rangeMarks 3 & 4: 16,000 yd (14,630 m) at 20.1° elevation
Close

Oops something went wrong: