- Gun Maxim, ·303 Inch - Side elevation
1. End of crank. 2. Projecting arm of crank handle. 3. Crank handle. 4. Breech casing. 5. Fusee spring 6. Chain 7. Fusee. 8. Spring box 9. Resistance piece. 10. Buffer spring. 11. Check lever. 12. Lock casing. 13. Firing lever. 14. Trigger bar. 15. Projection on trigger bar. 16. Trigger. 17. Tumbler. 18. Lockspring. 19. Firing pin. 20. Crank. 21. Crank pin. 22. Connecting rod. 22A Cotter. 23. Side levers. 24. Sear. 25. Extractor. 26. Barrel. 27. Ejector tube. 28. Horns of extractor. 29. Keeper bracket. 30. Side cams. 31. Cover spring. 32. Cover. 33. Gib. 34. Adjusting screw for fusee spring. 35. Extractor spring. 36. Handles. 37. Double button. 38. Trigger bar spring. 39. Gib spring. 41. Extractor levers. 42. Belt. 43. Upper extractor stop. 44. Groove for side plate spring. 45. Cartridge grooves. 46. Ejector tube spring. 47. Side plates. 48. Guides in which flanges of lock move. 49. Guide ribs for extractor. 50. Cover lock. 51. Gunmetal block. 52. Hole for firing pin. 53. Safety catch. 54. Screwed head. 55. Connecting rod spring. 56. Crank bearings. 57. Slots, breech casing. 58. Crank stops. 59. Ammunition belt box, No. 2. 60. Feed block. 61. Top lever feed block. 62. Cork plug. 63. Feed block slide. 64. Top pawl. 65. Bottom pawl. 66. Band roller. 67. Barrel casing. 68. Screwed plug for filling. 69. Asbestos packing. 70. Packing gland. 71. Cannelure for asbestos packing. 72. Gunmetal valve. 73. Steam tube. 74. } Holes in steam tube. 75. } 76. Slide valve. 77. Steam escape hole. 78. Milled heads of oil brushes. 79. Oil brush. 80. Sight, tangent. 81. Sight, fore. 82. Shutter. 83. Shutter spring. 84. Shutter catch. 85. Notch for shutter catch. 86. Screwed plug for emptying. 87. Slides, right and left. 88. Gib spring cover. 89. Check lever collar. 90. Cover lock spring. 91. Safety catch spring. 92. Tangent sight spring. 93. Bottom lever feed block. 94. Trunnions of barrel. 95. Extractor stop. 96. Firing lever spring. 97. Shutter pivot screw. - Gun Maxim, ·303 Inch - plan, with cover removed
1. End of crank. 2. Projecting arm of crank handle. 3. Crank handle. 4. Breech casing. 5. Fusee spring 6. Chain 7. Fusee. 8. Spring box 9. Resistance piece. 10. Buffer spring. 11. Check lever. 12. Lock casing. 13. Firing lever. 14. Trigger bar. 15. Projection on trigger bar. 16. Trigger. 17. Tumbler. 18. Lockspring. 19. Firing pin. 20. Crank. 21. Crank pin. 22. Connecting rod. 22A Cotter. 23. Side levers. 24. Sear. 25. Extractor. 26. Barrel. 27. Ejector tube. 28. Horns of extractor. 29. Keeper bracket. 30. Side cams. 31. Cover spring. 32. Cover. 33. Gib. 34. Adjusting screw for fusee spring. 35. Extractor spring. 36. Handles. 37. Double button. 38. Trigger bar spring. 39. Gib spring. 41. Extractor levers. 42. Belt. 43. Upper extractor stop. 44. Groove for side plate spring. 45. Cartridge grooves. 46. Ejector tube spring. 47. Side plates. 48. Guides in which flanges of lock move. 49. Guide ribs for extractor. 50. Cover lock. 51. Gunmetal block. 52. Hole for firing pin. 53. Safety catch. 54. Screwed head. 55. Connecting rod spring. 56. Crank bearings. 57. Slots, breech casing. 58. Crank stops. 59. Ammunition belt box, No. 2. 60. Feed block. 61. Top lever feed block. 62. Cork plug. 63. Feed block slide. 64. Top pawl. 65. Bottom pawl. 66. Band roller. 67. Barrel casing. 68. Screwed plug for filling. 69. Asbestos packing. 70. Packing gland. 71. Cannelure for asbestos packing. 72. Gunmetal valve. 73. Steam tube. 74. } Holes in steam tube. 75. } 76. Slide valve. 77. Steam escape hole. 78. Milled heads of oil brushes. 79. Oil brush. 80. Sight, tangent. 81. Sight, fore. 82. Shutter. 83. Shutter spring. 84. Shutter catch. 85. Notch for shutter catch. 86. Screwed plug for emptying. 87. Slides, right and left. 88. Gib spring cover. 89. Check lever collar. 90. Cover lock spring. 91. Safety catch spring. 92. Tangent sight spring. 93. Bottom lever feed block. 94. Trunnions of barrel. 95. Extractor stop. 96. Firing lever spring. 97. Shutter pivot screw. - Mounting Tripod ·303 Inch, Maxim Gun Mark
A Crosshead B Elevating gear C Socket D Arm, crosshead F Screw, clamp checking traverse G Tumbler, elevating gear H Bolt, jamming elevating gear J Front legs K Rear leg M Shoes N Socket lugs S Stud, joints, a jamming handle, front legs T Joint pin, a jamming handle rear leg V Handwheel elevating gear - The 1.65-Inch Hotchkiss Mountain-Gun Carriage
The carriage-body consists of two steel brackets forming cheeks and trail. They are reinforced by angle-steel and connected by transoms. The axle is secured in beds riveted to the brackets, and is arranged to be readily dismounted when required. The elevating-gear consists of a simple screw working in a stout steel transom, and supports the breech of the gun; the preponderance is sufficient to insure stability. The sponge and rod are secured to the right side of the trail by suitable attachments. A pole is provided for draught when easy country is encountered, and provision is made for attaching it to the lunette. - The 1.65-Inch Hotchkiss Mountain-Gun Mechanism
The Mechanism.—(b) breech-block; loading-hole; (s) stop-bolt; spring washer; (r) stop-bolt guide; (e) extractor; (h) extractor-hook; (a k) extractor-guide; (c) locking-screw; locking-screw shaft; locking-screw pin; (l) handle; stop; stop keep-screw. Action of the mechanism The gun having been fired, the handle is turned to the rear, unlocking the block and starting it in the mortise. Drawing the handle smartly to the right, the breech is opened, the extractor, actuated by the movement of the block, commences to move very slowly back with a powerful leverage, starting the cartridge-case from its seat. When the breech-block has moved sufficiently to unmask the bore, the change of direction in the extractor-guide causes the extractor to make a quick movement to the rear, throwing the cartridge clear of the gun. A new charge being inserted, it is pushed home until the head of the cartridge brings up against the extractor. The breech is now closed by pushing it smartly to the left, and is locked by turning the handle to the front. A primer may now be inserted in the vent, and the gun is ready for firing. - The 1.65-Inch Hotchkiss Mountain-Gun
Material steel Total length 3.83 feet Length of bore 3.43 feet Travel of projectile 3.10 feet Calibre 1.65 inches Weight 121 pounds Grooves 10 Twist of rifling, uniform 1 in 29.83 cals. Muzzle-velocity 1298 ft.-sec. Maximum range 3500 yards - Two braves
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