A widely used weapon employed in both the anti-torpedo boat and anti-aircraft roles in easily removable mounts. Some of these guns were mounted on top of main gun turrets where they could be coupled with the 30.5 cm guns for gunnery practice. The K16 (also known as BAG) was slightly different to suit an anti-aircraft mounting but had the same ballistic characteristics as the K10.
Seven of these guns were allocated for coast defense and eight more were given to the Army.
Actual bore diameter was 6.6 cm (2.6").
Designation | 7 cm (2.75")/50 K10 and K16 Skoda |
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Ship Class Used On | Viribus Unitis, Erzherzog Karl and Sankt Georg Classes |
Date Of Design | 1910 / 1916 |
Date In Service | 1912 / 1917 |
Gun Weight | 1,146 lbs. (520 kg) without breech |
Gun Length oa | about 138 in (3.500 m) |
Bore Length | N/A |
Rifling Length | N/A |
Grooves | (20) 0.030 in D x 0.244 W (0.75 mm D x 6.2 mm W) |
Lands | N/A |
Twist | RH 1 in 30 |
Chamber Volume | N/A |
Rate Of Fire | 15 to 20 rounds per minute |
Type | Fixed |
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Projectile Types and Weights | HE: 9.9 lbs. (4.5 kg) |
Bursting Charge | 3.5 lbs. (1.6 kg) |
Propellant Charge | 3.5 lbs. (1.6 kg) |
Muzzle Velocity | 2,887 fps (880 mps) |
Working Pressure | 18.4 tons/in2 (2,900 kg/cm2) |
Approximate Barrel Life | N/A |
Ammunition stowage per gun | N/A |
Elevation | Distance |
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20 degrees | 8,750 yards (8,000 m) |
AA Ceiling | 16,400 feet (5,000 m) |
Designation | Single Mounts (Anti-torpedo boat, casemate and anti-airship types)
Viribus Unitis (12) anti-torpedo boat and (4) anti-airship Radetzky (4) Monarch (1) |
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Weight | N/A |
Elevation | Anti-torpedo boat: -10 / +20 degrees
Casemate: -6 / +15 degrees Anti-airship: -5 / +90 degrees |
Elevation Rate | N/A |
Train | 360 |
Train Rate | N/A |
Gun recoil | N/A |
Loading Angle | N/A |
"Naval Weapons of World War One" by Norman Friedman
"Austro-Hungarian Battleships 1914-18" by Ryan Noppen
"The Viribus Unitis Class" article in "Warship Volume II" by Friedrich Prasky
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Tony DiGiulian's personal data files
01 August 2006 - Benchmark
12 October 2013 - Added additional information and picture of AA gunners
15 June 2023 - Converted to HTML 5 format