Sweden
10.5 cm/41 (4.1") Model 1936 and 1940
Updated 04 February 2008
The Model 1936 was a wet-mount used on Polish submarines while the Model 1940 was an AA gun used on Swedish minesweepers.
WNSweden_41-41_m1936_pic.jpg

10.5 cm/41 Model 1936 from Polish Submarine Sep now at the Polish Army Museum, Warsaw
Photograph copyrighted by Michal Kopacz
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Gun Characteristics
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Designation 10.5 cm/41 (4.1") Model 1936
10.5 cm/41 (4.1") Model 1940
Ship Class Used On Model 1936:  Polish Orzel class submarines
Model 1940:  Swedish Arholma class minesweepers
Date Of Design about 1935
Date In Service 1936
Gun Weight N/A
Gun Length oa N/A
Bore Length about 170 in (4.305 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire about 12 - 15 rounds per minute
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Ammunition
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Type Fixed
Complete Round Weight HE - N/A
Projectile Types and Weights HE - 35.3 lbs. (16 kg)
Bursting Charge HE - N/A
Projectile Length N/A
Propellant Charge N/A
Muzzle Velocity 2,297 fps (700 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 35.3 lbs. (16 kg) HE Shell
Range @ 30 degrees about 13,120 yards (12,000 m)
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Mount / Turret Data
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Designation Single Mounts
Weight  N/A
Elevation Model 1936:  about -3 / +30 degrees
Model 1940:  about -5 / +80 degrees
Elevation Rate Hand operated, only
Train 360 degrees
Train Rate Hand operated, only
Gun recoil N/A
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Data from
"Naval Weapons of World War Two" by John Campbell