France
130 mm/40 (5.1") Model 1919
Updated 14 June 2012
Conceived during World War I as being more a powerful weapon than those arming contemporary foreign destroyers.  Its superiority was more theoretical than real, as it had a slow rate of fire for a destroyer weapon and was difficult to load at low angles of elevation.  Used a Welin screw breech mechanism.
WNFR_51-40_m1919_Chacal_pic.jpg

NMN Chacal (2,100 tonnes Class)
Wright and Logan photograph
WNFR_51-40_m1919_sketch_pic.jpg

Sketch of 130 mm/40 M1919 and ammunition
Official sketch in the collection of Robert Dumas
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Gun Characteristics
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Designation 130 mm/40 (5.1") Model 1919
Ship Class Used On Tigre (2,100 tonnes) and Simoun (1,500 tonnes) classes
Date Of Design 1919
Date In Service 1926
Gun Weight 3.35 tons (4.05 mt)
Gun Length oa 212.8 in (5.406 m)
Bore Length 204.7 in (5.200 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire 4 - 5 rounds per minute
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Ammunition
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Type Separate
Projectile Types and Weights HE - 76.83 lbs. (34.85 kg)
SAP - 70.4 lbs. (32 kg)
Bursting Charge SAP - about 4 lbs. (1.8 kg)
HE - about 8 lbs (3.6 kg)
Projectile Length about 25.6 in (65 cm)
Propellant Charge 17 lbs. (7.7 kg)
Cartridge - 38.6 lbs. (17.5 kg)
Muzzle Velocity 2,379 fps (725 mps)
Working Pressure 16.3 tons/in2 (2,570 kg/cm2)
Approximate Barrel Life N/A
Ammunition stowage per gun N/A
Note:  There were several types of SAP shells issued.  The figure above represents an average weight of these projectiles.
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Range
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Elevation With 76.83 lbs. (34.85 kg) HE Shell
Range @ 36 degrees 20,670 yards (18,900 m)
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Armor Penetration with 70.4 lbs. (32 kg) SAP shell
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Range 
Side Armor
Deck Armor
10,936 yards (10,000 m)
3.15" (80 mm)
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Note:  This data is from "Destroyers of World War Two."
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Armor Penetration with 76.83 lbs. (34.85 kg) HE shell
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Range 
Vertical Armor
Deck Armor
3,820 yards (3,500 m)
7.87" (200 mm)
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18,150 yards (16,600 m)
3.46" (88 mm)
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Note:  This data is from "Warships after Washington" which notes that the low muzzle velocity of this gun made it inaccurate at long ranges.
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Mount / Turret Data
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Designation Single open mounts
   Tigre (5) and Simoun (4)
Weight 12.3 - 12.55 tons (12.5 - 12.75 mt)
Elevation
(see Note 1)		 -10 / +36 degrees
Rate of Elevation Manually operated, only
Train about +150 / -150 degrees
Rate of Train Manually operated, only
Gun Recoil 18 in (45 cm)
Loading Angle N/A
Notes:

1) Originally the mountings were to have a lower maximum elevation, but they were redesigned to raise the trunnions to 59 inches (1.5 m) in order to increase elevation to 36 degrees.  This hampered working the gun at low elevations.

2) The guns originally had only light shields but they were given more substantial "wrap around" sheilds shortly after completion to provide the crews better protection from spray and splinters.
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Data from
"Naval Weapons of World War Two" by John Campbell
"Warships after Washington:  The Development of the Five Major Fleets 1922 - 1930" by John Jordan
"Destroyers of World War Two" by M.J. Whitley
Page History

16 May 2006 - Benchmark
28 March 2012 - Updated to latest template
14 June 2012 - Added information on armor penetration and mountings, added sketch