Italy
10"/45 (25.4 cm) Model 1908
Updated 13 September 2011
These were Elswick Pattern "W" and were used on armored cruisers.

These guns were wire-wound for 75% of their length.
WNIT_10-45_M1908_San_Giorgio_pic.jpg

Armored Cruiser San Giorgio in 1941
The 10" (25.4 cm) guns are in the bow and stern turrets
Marina Militare Photograph
WNIT_10-45_M1908_Pisa_pic.jpg

Armored Cruiser Pisa in 1923
Marina Militare Photograph
WNIT_10-45_m1908_Pisa_turrets_pic.jpg

10"/45 (25.4 cm) and 7.5"/45 (19.1 cm) turrets on Pisa circa 1915
Note the 3"/40 (7.62 cm) gun in casemate mounting
Bain News Service Photograph
Library of Congress Photograph ID LC-DIG-ggbain-10036
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Gun Characteristics
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Designation 10"/45 (25.4 cm) Model 1908
Ship Class Used On San Marco Class
Manufacturer Elswick Pattern "W"
Date Of Design 1908
Date In Service 1910
Gun Weight 34.5 tons (35.0 mt)
Gun Length oa 468.8 in (11.909 m)
Bore Length 450.0 in (11.430 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume 11,000 in3 (180.26 dm3)
Rate Of Fire 2.6 rounds per minute
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Ammunition
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Type Bag
Projectile Types and Weights AP - 500 lbs. (227 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge 186 lbs. (84.2 kg) C
Muzzle Velocity 2,854 fps (870 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A
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Range
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Elevation With 500 lbs. (227 kg) AP shell
Range @ 25 degrees about 27,300 yards (25,000 m)
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Mount / Turret Data
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Designation Twin Turrets
   San Marco (2)
Weight  N/A
Elevation -5 / +25 degrees
Elevation Rate N/A
Train about +150 / -150 degrees
Train Rate N/A
Gun recoil N/A
Loading Angle N/A
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Data from
"Naval Weapons of World War Two" by John Campbell
"Italian Warships of World War II" by Aldo Fraccaroli
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Marina Militare Press Releases
Page History

28 December 2008 - Benchmark
13 September 2011 - Added link to 3"/40 (7.62 cm) gun