Germany
10.5 cm/40 (4.1") SK L/35
Updated 28 November 2012
Secondary weapon used on pre-dreadnoughts.  Used a horizontally sliding breech mechanism.
WNGER_11-40_skc90_Kurfurst_Friedrich_Wilhelm_pic.jpg

Kurfüst Friedrich Wilhelm
10.5 cm guns are in the hull casemate positions
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Gun Characteristics
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Designation 10.5 cm (4.1") SK L/35
Ship Class Used On Kurfüst Friedrich Wilhelm class
Date Of Design about 1891
Date In Service 1894
Gun Weight (1,270 kg)
Gun Length oa (3.638 m)
Bore Length (3.400 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 10 rounds per minute theoretical
7.5 rounds per minute practical
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Ammunition
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Type Fixed
Complete Round Weight 1891
   AP - 40.1 lbs. (18.2 kg)
   HE - 39.7 lbs. (18.0 kg)

1907
   HE - 47.2 lbs. (21.4 kg)
Projectile Types and Weights
(see Note)		 1891
   AP - N/A
   HE - N/A

1907
   HE - 30.9 lbs. (14.0 kg)
Bursting Charge HE - 1.97 lbs. (0.9 kg)
Projectile Length N/A
Cartridge Case Type, Size and Empty Weight N/A
Propellant Charge 6.24 lbs. (2.83 kg) RP C/06
Muzzle Velocity With 1891 Projectiles - 2,034 fps (620 mps)

With 1907 Projectiles - 1,968 fps (600 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun Kurfüst Friedrich Wilhelm - 100 as commissioned, later 145
Note:  1891 AP was L/3.8 and HE was L/3.89.
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Range
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Elevation With 30.9 lbs. (14.0 kg) HE Shell
Range @ 30.3 degrees 11,810 yards (10,800 m)
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Mount / Turret Data
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Designation Single Mounts
   Kurfüst Friedrich Wilhelm (6 or 8):  MPL C/91
Weight  N/A
Elevation MPL C/91:  -10 (?) / +30.3 degrees
Elevation Rate Hand operated, only
Train 360 degrees
Train Rate Hand operated, only
Gun recoil N/A
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Data from
"Weapons of World War One" by Norman Friedman
"German Warships 1815-1945" by Erich Gröner
Page History

28 November 2012 - New datapage