France
100 mm/45 (3.9") Models 1927 and 1932
Updated 28 March 2012
This was apparently the same gun but designated as Model 1927 when used in AA mountings and Model 1932 when used in SP mountings.  Used a horizontal sliding breech block.
WNFR_39-45_m1927_Bouclier_pic.jpg

"600 tonne" Torpedo Boat Bouclier
Ministère de la Défense Photograph
WNFR_39-45_m1927_Melpomene_pic.jpg

"600 tonne" Torpedo Boat Melpomène prior to World War II
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Gun Characteristics
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Designation 100 mm/45 (3.9") Model 1927
100 mm/45 (3.9") Model 1932
Ship Class Used On Model 1927:  Commandant Teste
Model 1932:  Melpomène class, Chevreuil and La Capricieuse
Date Of Design 1927 / 1932
Date In Service 1930 / 1940
Gun Weight 3,629 lbs. (1,620 kg)
Gun Length oa N/A
Bore Length 177.2 in (4.500 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
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Ammunition
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Type Fixed
Weight of Complete Round 53.2 lbs. (24.2 kg)
Projectile Types and Weights HE - 29.7 lbs. (13.5 kg)
SAP - 32.96 lbs. (14.95 kg)
Bursting Charge N/A
Projectile Length N/A - Complete Round 39.8 in (1.011 m)
Propellant Charge 8.87 lbs. (4.03 kg) BM7
Muzzle Velocity SAP - 2,477 fps (755 mps)
HE - 2,575 fps (785 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 32.96 lbs. (14.95 kg) SAP Shell
Range @ 34 degrees 16,400 yards (15,000 m)
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Mount / Turret Data
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Designation Single Mounts
   Commandant Teste (12):  Model 1927
   Melpomène (2), Chevreuil (1) and La Capricieuse (1):  Model 1932
Weight N/A
Elevation Model 1927:  -10 / +85 degrees
Model 1932:  -10 / +34 degrees
Rate of Elevation N/A
Train About 360 degrees
Rate of Train N/A
Gun Recoil N/A
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Data from
"Naval Weapons of World War Two" by John Campbell
"Navies of the Second World War - The French Navy" by Henri le Masson
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Ministère de la défense
Page History

21 July 2007 - Benchmark
28 March 2012 - Updated to latest template