Notified in Army Orders for February, 1936 Crown Copyright Reserved FOR OFFICIAL USE ONLY This Document is the Property of H.B.M. Government 26 NOTE Manuals 1543 The information given in this document is not to be communicated, either directly or indirectly, to the Press or to any person not holding an official position in His Majesty's Service. TEXT BOOK OF AMMUNITION 1936 LONDON PUBLISHED BY HIS MAJESTY'S STATIONERY OFFICE 1936 4 TABLE OF CONTENTS-continued PAGE CHAPTER .--continued. §1.39 Metals ... 45 §1.40 Textile goods ••• ... 47 §1.41 Paper goods ... 50 CHAPTER II.-CARTRIDGES. §2.01 Definitions 52 §2.02 The comparative advantages of the B.L.. and Q.F. cartridge systems from the point of view of ammunition 53 §2.03 Determination of charge weight 54 §2.04 Adjusted charges 54 §2.05 Ballistic grouping of Lots 54 §2.06 Propellants in use ... 55 §2.07 Arrangement of the propellant 56 §2.08 Composite charges ... 56 §2.09 N.C.T. charges 57 §2.10 Flash-reducing charges 58 §2.11 Super-charges ... 59 §2.12 Charges for the prevention of coppering 59 §2.13 General functions of igniters ... 59 §2.14 Standardized igniters 60 §2.15 Auxiliary igniters 61 §2.16 Igniter covers 61 §2.17 Q.F. igniters ... 61 §2.18 B.L. cartridges. Construction 62 §2.19 Materials ... 63 1, §2.20 Diameter and length 64 §2.21 Cartridges for B.L. guns in the field 64 §2.22 Cartridges for B.L. guns in the coast defence 64 §2.23 Cartridges for star shell 64 §2.24 Drill cartridges ... ••• 64 §2.25 Design of B.L. howitzer cartridges ... 64 §2.26 Arrangement of howitzer cartridges ... 66 §2.27 Markings on B.L. cartridges ... 67 §2.28 Q.F. cartridges. Introduction 69 §2.29 Construction 69 §2.30 Quality of materials 70 §2.3 1 The manufacture of brass cartridge cases 70 §2.32 Testing of cases... ••• 72 §2.33 Cleaning of cases 72 §2.34 Life of a Q.F. case ••• 72 §2.35 Typical Q.F. cartridges ••• 73 §2.36 Markings on Q.F. cartridge cases 74 §2.37 Packing of cartridges ... 79 5 TABLE OF CONTENTS-continued PAGE CHAPTER III.-TUBES. §3.01 Definition 81 §3.02 Tubes general ... 81 §3.03 Initial ignition of the charge 81 §3.04 Packing of tubes 82 §3.05 Nature of tubes... ... 82 §3.06 Tube friction Mark IV 82 §3.07 Tube percussion " T " ••• 83 §3.08 Tube percussion S.A. cartridge, Mark II 84 §3.09 Tubes, vent percussion and electric ... 84 §3.10 Tube vent percussion -4-inch, Mark VIII 85 §3.11 Tubes, vent electric ... ... 86 §3.12 Tube vent electric -4-inch, Mark X ... 86 §3.13 Tube vent electric -5-inch, Mark VIII 87 §3.14 Drill tubes ... 87 §3.15 Markings of tubes ..• 88 §3.16 Defects in tubes ••• 88 §3.17 Employment of tubes 89 CHAPTER IV.-PRIMERS. §4.01 Definition 91 §4.02 Electric primers 91 §4.03 Percussion primers ••• 91 41 -4404 Markings on primers ... 92 §4.05 Primer, percussion Q.F. cartridge, No. 1, Mark II 92 §4.06 Primers, percussion Q.F. cartridge, No. 2 ... 93 §4.07 Primer, percussion Q.F. cartridge, No. 11, Mark I 93 • CHAPTER V.-PROJECTILES. §5.01 Types of projectiles ... 95 §5.02 Design of Projectiles-Introduction 95 §5.03 Forces of projection ... 96 §5.04 Ballistic qualities in flight 99 §5.05 Weight 100 §5.06 Shape of projectile-external 100 §5.07 Steadiness during flight 103 §5.08 Length of projectile ... ••• 104 §5.09 Diameter of projectile ... 106 §5.10 Driving bands 106 §5.11 Shape of projectile-internal ... 114 §5.12 Capped shell ... 115 §5.13 Shell for use in guns and howitzers 116 §5.14 Manufacture of shell ... 116 §5.15 Practice shot ... ••• 118 6 TABLE OF CONTENTS-continued PAGE CHAPTER V.-continued. §5.16 Proof shot 118 §5.17 Paper shot 118 A §5.18 etie shot 118 §5.19 Common pointed (C.P.) and common pointed capped (C.P.C.) shell ... -•• ••• 118 §5.20 Armour-piercing (A. P.) and armour-piercing capped (A.P.C.) shell ... 120 §5.21 Semi-armour-piercing (S.A.P. and S.A.P.C.) shell H.E. 122 §5.22 High explosive (H.E.) shell 122 §5.23 Filling of H.E. shell ... 123 §5.24 Development of the modern exploder system 125 §5.25 Efficiency of H.E. shell 130 §5.26 Smoke shell ... 132 §5.27 Shrapnel shell ... 133 §5.28 Star shell 135 §5.29 Practice projectile ess 136 §5.30 Tracer shell 137 §5.31 Drill shell 137 §5.32 Mortar ammunition 137 §5.33 3-inch mortar bomb 10-1b. 138 §5.34 Insertion of plugs and fuzes 138 §5.35 Causes of blinds and prematures 139 §5.36 Markings on projectiles 140 §5.37 Weight markings on projectiles 145 CHAPTER VI.-FUZES AND GAINES. §6.01 General remarks 147 §6.02 Metals used in manufacture of fuzes 147 §6.03 Safety arrangements ... 150 §6.04 Dynamical factors governing design 151 §6.05 Detonators for fuzes and gaines 158 §6.06 Gauge of fuzes ... 159 §6.07 Nomenclature of fuzes 159 §6.08 Blinds and prematures 160 §6.09 Markings of fuzes 162 §6.10 Percussion fuzes-direct action (D.A.) fuzes 163 §6.11 Fuze, percussion, D.A., No. 44, Mark X ... 165 §6.12 Fuze, percussion, D.A., No. 106E, Mark VIIIZ 166 §6.13 Fuze, percussion, D.A., No. 117, Mark IIIZ 169 §6.14 Fuze, percussion-direct action impact (D.A.I.), No. 45, Mark IXZ 170 §6.15 Graze action fuzes 171 §6.16 Graze, percussion, nose fuzes ... 172 TABLE OF CONTENTS-continued PAGE CHAPTER VI.-continued. §6.17 Fuze, percussion, No. 101E, Mark JIM, and gaine, No. .2.., 173 Mark IV, with delay ... §6.18 Graze, base, percussion fuzes ... 175 §6.19 Fuze, percussion, base, Hotchkiss, Mark X 176 §6.20 Fuze, percussion, base, large No. 16, Mark IV 176 §6.21 New base fuzes ... ... ... ... 178 §6.22 Time, and time and percussion fuzes-Introduction 178 §6.23 Influences affecting rate of burning ... 180 §6.24 Burning or composition fuze mechanisms 183 §6.25 Fuze, time and percussion, No. 80, Mark X1 187 §6.26 Fuze, time and percussion, No. 88, Mark VI 189 §6.26 (a) Fuze, time and percussion, No. 220, Mark I 190 §6.27 Fuze, time, No. 199, Mark HI 190 §6.28 Mechanical fuzes ... 191 §6.29 Mechanical time fuzes ... 192 §6.30 Fuze, time, No. 203, Mark I ... 192 §6.31 Fuze, time, No. 200 ... 195 §6.32 Mechanical distance fuzes ... 196 §6.33 Preservation of fuzes-effect of climate 197 §6.34 Fuze cylinders ... ... ... 197 §6.35 Waterproofing and sealing of fuzes 197 16.36 Fuze covers 198 §6.37 Mortar fuzes ... ... 198 §6.38 Fuze, percussion, D.A., No. 138, Mark I ... 199 §6.39 Fuzes, percussion, D.A., Nos. 139 and 139P 200 §6.40 Rust-proofing ... ... ... 200 §6.41 Table of fuzes for land service 201 CHAPTER VII.-IMPLEMENTS FOR SETTING TIME FUZES. §7.01 Introduction ... 209 §7.02 Theory of the corrector ... 209 §7.03 Height-fuze indicators for high-angle fire 213 §7.04 Fuze-setting instruments 213 §7.05 Fuze keys ••• 213 §7.06 Fuze-setting machines 214 CHAPTER VIII.-SMALL ARM AMMUNITION. §8.01 Introduction ... 215 §8.02 -303-inch Service ball cartridge 217 §8.03 -303-inch armour-piercing cartridge 218 §8.04 -303-inch tracer cartridge ... ... 218 §8.04 (a) •303-inch observing cartridge ... 219 §8.05 Special ammunition for the Royal Air Force 220 8 TABLE OF CONTENTS continued PAGE CHAPTER VIII.-continued. §8.06 -303-inch blank cartridge 221 §8.07 -303-inch drill ammunition ... •.• 222 §8.08 -303-inch dummy ammunition 222 §8.09 Packing of •303-inch ammunition 223 §8.10 Revolver and pistol ammunition 224 §8.11 Cartridge, S.A., ball, revolver, -455-inch, Mark II ... 225 §8.12 Cartridge, S.A., ball, pistol, self-loading, -455-inch, Mark I 225 §8.13 Cartridge, S.A., blank, revolver, •455-inch, L Mark IIT 225 §8.14 Cartridge, S.A., drill, revolver, -455-inch, D Mark I 225 §8.15 Cartridge, S.A., ball, revolver, •380-inch, Mark I 226 §8.16 Cartridge, S.A., ball, •5-inch, Mark IIZ 228 §8.17 Miniature rifle ammunition ... 229 §8.17 (a) Note regarding packing and labelling of S.A.A. 231 §8.18 Inspection and proof of small-arm ammunition 231 §8.19 Defects in small arm ammunition ... 232 CHAPTER IX.-1-INCH AIMING RIFLE AMMUNITION. §9.01 Introduction ... 233 CHAPTER X.-GRENADES. § 10.01 Introduction ... 235 §10.02 Hand grenades .. 235 §10.03 Rifle grenades ... 236 § 10.04 Grenade, -303-inch rifle, No. 36M, Mark I 237 § 10.05 Signal grenades 239 §10.06 Signal grenades, 22-inch 240 § 10.07 Grenade No. 54, Mark I 240 § 10.08 Grenade No. 63, smoke, 2.5-inch, Mark I 243 § 10.09 Rifle grenade cartridges 244 §10.10 Discharger, grenade, rifle, 2-inch, No. 1, Mark I 245 § 10.11 Markings on grenades (other than signal) ... 246 CHAPTER XI.-DEMOLITION AND BLASTING EXPLOSIVES, AND STORES CONNECTED THEREWITH. §11.01 Introduction 248 §11.02 Guncotton 248 §11.03 Ammonal 250 §11.04 Nitroglycerine explosives 250 §11.05 Methods of firing... ... 251 §11.06 Fuze, safety, No. 16, Mark I ... 252 § 11.07 Quick-match, 4 thread and 6 thread 252 §11.08 Fuze, instantaneous, Mark IV 252 §11.09 Fuze, instantaneous, detonating (Cordeau Detonant) 252 9 TABLE OF CONTENTS—continued PAGE CHAPTER XI.—continued. §11.10 Detonator, No. 8, Mark VII ... ... 253 §11.11 Detonator, No. 27, Mark I ... ... 253 §11.12 Detonator, electric, No. 9, Mark IV ... ... 253 §11.13 Fuze, electric, No. 14, Mark IV ... ... 254 CHAPTER XII.—PYROTECHNIC STORES. § 12.01 Introduction ••• 255, §12.02 Rockets ... 255 §12.03 Rockets, signal ... 256 §12.04 Rocket, light, parachute, 1-lb., Mark II 256 § 12.05 Lights ... 257 §12.06 Port-fires 257 §12.07 Slow-match, Mark I 258 §12.08 Signal cartridges 258 § 12.09 Illuminating cartridges 258 § 12.10 Ground flares ... 258 §12.11 Smoke producers 259 §12.12 Signal vertical light ray 260 §12.13 Thunderflash, Mark I ... 260 TABLES Table 1.07 Composition and explosion constants of different propellants 19 Table 1.08 Properties of high explosives 21 Table 1.30 Initiating agents ... 38 Table 3.17 Employment of tubes ... 89 Table 5.24 Future standard methods of filling for the land service 129 Table 6.41 Table of fuzes for land service ... 201 LIST OF FIGURES CHAPTER I. Fig. 1.14.—Pictorial representations of cordite 26 Fig. 1.19.—Pictorial representations of cordite S.C. 28 CHAPTER II. Fig. 2.08.—Cartridge B.L. 12-inch howitzer ... ••• 57 Fig. 2.14.—Igniters, old and standardized types 60 Fig. 2.17.—Q.F. metal igniter with Mark VI adapter... 62 Fig. 2.18.—Cartridge B.L. 6-inch gun ... 64 Fig. 2.20.—Cartridge B.L. 6-inch gun dumb-bell shape ••• 64 10 LIST OF FIGURES—continued PAGE CHAPTER II.—continued. Fig. 2.22.—Cartridge B.L. 9.2-inch gun, cordite ... 64 Fig. 2.25.—Cartridge B.L. 9.2-inch howitzer ... ... 64 Fig. 2.35(a).—Cartridge Q.F. 4.7-inch Marks III-IV* guns Fig. 2.35(b).—Cartridges Q.F. fixed ammunition. Typical for fu-ll. 73 charge ... ... ... ... 74 Fig. 2.35(c).—Cartridge for Q.F. 3.7-inch howitzer 73 F Fig. 2.36(a).—Typical sketch of stampings on base, repaired cases 76 Fig. 2.36(b).—Stencillings on the side and base of Q.F. cartridges, separate ammunition (typical)... ... ... ... 76 CHAPTER III. • Fig. 3.07.—Tube, Percussion " T " Mark I ... 83 Fig. 3.08.—Tube, percussion S.A. cartridge, Mark II ... 84 Fig. 3.10.—Tube, vent, percussion -4-inch, Mark VIII 86 Fig. 3.12.—Tube, vent, electric, -4-inch, Mark X ... 87 CHAPTER IV. Fig. 4.05.—Primer, percussion, Q.F. cartridges, No. 1, Mark II 92 Fig. 4.05(a).—Primer, percussion, 6 and 3 prs.. blank, Mark III 92 Fig. 4.06.—Primer, percussion, Q.F. cartridges No. 2, Marks III, IV and VII... 93 Fig. 4.07.—Primer, Percussion, Q.F. cartridges, No. 11, Mark I 94 CHAPTER V. PROJECTILES. Fig. 5.06 (a) .—Shape of head 102 Fig. 5.08 (a) .-6-inch, C.P.B.C. 105 Fig. 5.08(b).-6-inch, A.P.C. 105 Fig. 5.10(a).—Method of attachment of driving band (ribs triangular in section) 108 Fig. 5.10(b).—Method of attachment of driving band (knurled groove) 108 Fig. 5.10(c).—Types of driving bands for guns 112 Fig. 5.10(d).—Types of driving bands for howitzers ... 113 Fig. 5.10(e).—Economy driving bands-6-inch 26-cwt. howitzer and 60-pr. gun • • • • 113 Fig. 5.10(f).—Double driving bands 113 Fig. 5.10(g).—Augmenting strip 114 Fig. 5.11.—Shell B.L. with cap, 9.2-inch gun, Mark XIIB 115 Fig. 5.17.—Paper shot ... . 119 Fig. 5.19(a).---Method of filling shell, Q.F. common pointed 12-pr. non-burster bag type ... 118 Fig. 5.19(b).—Common pointed shell with cap filled powder 119 Fig. 5.19(c).—Method of filling shell, B.L. (C.P.) typical for 6-inch guns and 6-inch howitzers and above field service ••• 120 1 1 LIST OF FIGURES—continued PA GE CHAPTER V.—continued. Fig. 5.20(a).—Armour-piercing shell filled powder ... 121 Fig. 5.20(b).—Armour-piercing shell with cap filled H.E. 122 Fig. 5.20(c).—Armour-piercing shell with cap filled H.E. trotyl bees- wax... ••- 121 Fig. 5.24(a).—Method of filling shell, B.L. or Q.F., H.E. for coast defence, 12-pr. and above ... •-• 124 Fig. 5.24(b).—Method of filling, shell B.L.H.E., 6-inch gun, Mark XXVI/XXB., coast defence ... ... 126 Fig. 5.24 (c). —Shell, B.L. or Q.F., H.E. (typical) for separate loading ammunition, poured fillings ... ••• ... 127 Fig. 5.24(d).—Method of filling—H.E. shell, 3.7-inch to 9.2-inch, amatol 80/20, hot mixed ... 128 Fig. 5.24(e).—Method of filling, 13- and 18-pr. (typical) ... 128 Fig. 5.24(f).—Method of filling shell, Q.F.H.E., 3-inch, 20-cwt. 16-1b. Mark IIB ••• 130 Fig. 5.24(g).—Method of filling shell, B.L.H.E. streamline, 6-inch howitzer, amatol 80/20, hot mixed . 130 Fig. 5.26.—Smoke shell (typical) ••• 132 Fig. 5.27.—Method of filling, shrapnel shell ... 134 Fig. 5.28.—Method of filling, shell, B.L. or Q.F. star (typical) 136 vFig. 5.33 (a) .—Bomb, M.L.H.E., 3-inch mortar, 10-1b., Mark II 138 Fig. 5.33(b).—Cartridges, M.L. 3-inch mortar, augmenting 100 grains N.C.(Y.) and 95 grs. Ballistite 138 Fig. 5.36.—Distinguishing markings for gun and howitzer projectiles 146 `PTER VI.—FuzEs. 'Fig. 6.11.—Fuze, percussion, D.A. with cap, No. 44, Mark XZ 166 Fig. 6.12.—Fuze, percussion, D.A., No. 106E, Mark VIIIZ 168 Fig. 6.13.—Fuze, percussion, D.A., No. 117, Mark IIIZ 169 Fig. 6.14.—Fuze, percussion, D.A. Impact, No. 45, Mark IXZ 170 Fig. 6.16.—Game No. 9, Marks II and IIZ 173 Fig. 6.17.—Fuze, percussion, No. 101E, Mark TIM (with Gaine No. 2, Mark IV with delay) ... 174 Fig. 6.19.—Fuze, percussion, base, Hotchkiss, Mark X ... 176 Fig. 6.20.—Fuze, percussion, base large, bronze, No. 16, Mark IV 178 Fig. 6.25(a).—Fuze, time and percussion, No. 80, Mark XI ... 188 Fig. 6.25 (b) .—Fuze, time, No. 80/44, Mark V ... 188 Fig. 6.26.—Fuze, time and percussion, No. 88, Mark VI 189 Fig. 6.26(a).—Fuze, Time and percussion, No. 220, Mark I 190 Fig. 6.27.—Fuze, time, No. 199, Mark III 191 Fig. 6.30(a).—Fuze, time, No. 203, Mark I 193 Fig. 6.30(b).—Fuze, time, No. 203, Mark I 194 Fig. 6.38.—Fuze, percussion, D.A., No. 138, Mark I ... 199 Fig. 6.39.—Fuzes, percussion D.A., Nos. 139 and 139 P. 200 12 LIST OF FIGURES—continued PAGE CHAPTER VII.-IMPLEMENTS FOR SETTING TIME FUZES. Fig. 7.02(a).—Indicator fuze, No. 10, Mark I ... ... 211 Fig. 7.02 (b) .—Trajectory curve ... ... 212 Fig. 7.02(c).—Trajectory curve ... . 212 CHAPTER VIII.-SMALL ARM AMMUNITION. Fig. 8.02.—Cartridge, S.A., ball, •303-inch, Mark VII 217 Fig. 8.03.—Cartridge, S.A. armour-piercing, •303-inch, W. Mark I 218 1„ Fig. 8.04.—Cartridge, S.A. tracer, •303-inch, G. Mark I 218 Fig. 8.06.—Cartridge, S.A. blank, •303-inch, L. Mark V 221 Fig. 8.07.—Cartridge, S.A. drill, •303-inch, D. Mark VI ... 222 Fig. 8.11.—Cartridge, S.A. ball, revolver, •455-inch, Mark II 226 Fig. 8.12.—Cartridge, S.A. ball, pistol, self-loading, -455-inch, Mark I 226 Fig. 8.13.—Cartridge, S.A. blank, revolver, -455-inch, L. Mark IIT 226 Fig. 8.15(a).—Cartridge, S.A. ball, revolver, •380-inch, Mark I ... 226 Fig. 8.15(b).—Cartridge, S.A. blank, revolver, •380-inch, L. Mark IT 226 Fig. 8.16.—Cartridge, S.A. ball, -5-inch, Mark IIZ 228 Fig. 8.17.—Cartridge, rim-fire, •22-inch, Mark I 226 CHAPTER IX.-1-INCH AIMING RIFLE AMMUNITION. Fig. 9.01.—Cartridge, aiming rifle, 1-inch, electric, Mark II ... 234 CHAPTER X.-GRENADES. Fig. 10.04.—Grenade, No. 36M, Mark I 238 Fig. 10.06(a)—Grenade, signal (day), No. 42, Mark I 240 Fig. 10.06(b).—Grenade, signal (night), No. 45, Mark I 240 Fig. 10.07.—Grenade, percussion, 2-inch, No. 54, Mark I 242 Fig. 10.08.—Grenade No. 63, smoke, 2.5-inch, Mark I 243 Fig. 10.09.—Rifle grenade cartridges ... 244 CHAPTER XI.-DEMOLITION AND BLASTING EXPLOSIVES, AND STORES CONNECTED THEREWITH. Fig. 11.12.—Detonator, electric, No. 9, Mark IV ... 254 CHAPTER XII.—PYROTECHNIC STORES. Fig. 12.03.—Rocket, signal, 1-lb., Service, Mark III ... 256 Fig. 12.04. Rocket, light, parachute, 1-1b. 256 Fig. 12.05.—Light, long, blue, green and red, Mark III 257 Fig. 12.08.—Cartridge, signal, 1-inch (typical)... 258 Fig. 12.10.—Flare, ground, i-hour red, Mark I 259 Fig. 12.11 (a) .—Candle, smoke, ground ... 260 Fig. 12.11 (b) .—Generator, smoke, No. 5, Mark I 260 Fig. 12.12.—Signal, vertical light ray ... 260
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