• Thumbnail for Interrupted screw
    An interrupted screw or interrupted thread is a mechanical device typically used in the breech of artillery guns. It is believed to have been invented...
    5 KB (643 words) - 01:24, 21 February 2025
  • further complicated by the need to screw and unscrew the breech as quickly as possible; this was met by the "interrupted thread" breech block, where the...
    16 KB (2,146 words) - 23:23, 15 February 2025
  • Thumbnail for Expeller pressing
    the interrupted screw design and patented it in the year 1900. Anderson observed that in the continuous flighting arrangement of a compression screw, there...
    7 KB (865 words) - 00:20, 24 April 2025
  • Thumbnail for Welin breech block
    necessitating a long screw to achieve a strong lock. Efficiency is gained with multiple thread step heights on an interrupted screw because the smaller...
    5 KB (581 words) - 02:10, 6 May 2024
  • Thumbnail for Breechblock
    indicated by the pointer. Perhaps a variation on the rotating bolt, an interrupted screw provides greater strength than simple lugs while requiring only a...
    30 KB (3,751 words) - 04:54, 26 February 2025
  • Thumbnail for Santa Bárbara Sistemas 155/52
    155/52 has a split trail carriage, hydro-pneumatic recoil mechanism, interrupted screw breech, rifled autofretted barrel, articulated suspension with four...
    7 KB (551 words) - 14:00, 31 May 2024
  • Thumbnail for Haubits m/40
    Hb Model 46 Breech mechanism: Horizontal sliding-wedge breech or interrupted screw breech Barrel: 22 or 24 (bore 20,2 cal) Elevation: -5 to +45° Traverse:...
    4 KB (330 words) - 10:12, 21 April 2025
  • Thumbnail for Breechloader
    use cartridges, the problem was solved by the development of the interrupted screw. Breech-loading swivel guns were invented in the 14th century. They...
    21 KB (2,430 words) - 05:11, 22 May 2025
  • Thumbnail for 122 mm howitzer M1938 (M-30)
    The M-30 used many elements from existing guns, most notably the interrupted-screw breechblock of the M1910/30. Since at that time Soviet industry had...
    46 KB (4,409 words) - 04:08, 15 April 2025
  • Thumbnail for Canon Court de 105 M(montagne) modèle 1919 Schneider
    The modèle 1919 was built from steel and had two spoked wheels, interrupted screw breech, hydro-pneumatic recoil system, box trail carriage and a rounded...
    5 KB (369 words) - 00:04, 20 March 2025
  • practical take-down design based on the Type 100, but instead of using an interrupted screw, the detachable barrel was held in place with a tapered wedge. Tests...
    9 KB (871 words) - 05:09, 30 October 2024
  • Thumbnail for M114 155 mm howitzer
    and a new breech mechanism. Uniquely it was the sole 'slow-cone' interrupted screw mechanism to enter US service after 1920. The carriage was also used...
    35 KB (2,329 words) - 17:34, 13 May 2025
  • Thumbnail for Cannone da 70/15
    modello 08/13. The 70/15 was a breech-loaded mountain gun with an interrupted screw breech, a box trail carriage, two wooden-spoked steel-rimmed wheels...
    5 KB (454 words) - 20:28, 28 April 2025
  • Thumbnail for 3.2-inch gun M1897
    stronger than the wrought iron of preceding weapons. The guns had an interrupted screw breech with either a de Bange plastic obturator or (on the earlier...
    8 KB (746 words) - 19:27, 8 March 2025
  • Thumbnail for Mortaio da 260/9 Modello 16
    rims, a gun shield, a hydro-pneumatic recoil mechanism, a Schneider interrupted screw breech. It fired cased separate-loading ammunition with up to eight...
    7 KB (653 words) - 15:41, 28 June 2024
  • Thumbnail for 7.5 cm Gebirgskanone L/13 C/80
    Krupp 8 cm Kanone C/80 field gun. Argentina used a Maxim-Nordenfelt interrupted screw breech for their guns that used separate-loading bagged charges and...
    11 KB (1,100 words) - 01:55, 26 June 2023
  • Thumbnail for M109 howitzer
    driver, gunner, loader) Shell separate loading, bagged charge Breech interrupted screw Traverse 360° Rate of fire Maximum: 4 rpm/3 min. Sustained: 1 rpm...
    79 KB (7,989 words) - 21:05, 19 May 2025
  • Thumbnail for M44 self-propelled howitzer
    separate loading, bagged charge Caliber 155 mm L/23 caliber Breech interrupted screw Elevation −5 to 65 degrees Traverse 30 degrees Rate of fire Sustained:...
    9 KB (959 words) - 04:08, 5 May 2025
  • Thumbnail for Obusier de 120 mm mle 15TR
    wooden spoked wheels, gun shield, hydro-pneumatic recoil system and an interrupted screw breech. The mle 1915 used separate loading cased charges and projectiles...
    8 KB (819 words) - 16:36, 15 September 2022
  • Thumbnail for Obice da 280
    and 280/16. The Obice da 280 was a breech loaded design with an interrupted screw breech, and used separate loading bagged charges and projectiles....
    9 KB (923 words) - 11:31, 29 March 2025
  • Thumbnail for Haubits FH77
    export version FH77 B version with a 39 calibre barrel and an interrupted ogival screw breech. For the demonstrator of the Archer Artillery System, some...
    17 KB (1,427 words) - 03:30, 16 December 2024
  • Thumbnail for 152 mm howitzer M1938 (M-10)
    barrel, much longer than that of older designs, was fitted with an interrupted screw breechblock with recoil devices consisting of a hydraulic recoil buffer...
    24 KB (2,048 words) - 06:30, 23 April 2025
  • Thumbnail for 122 mm gun M1931/37 (A-19)
    construction, and consisted of liner, jacket and screwed-upon breech. The breechblock was of interrupted screw type, similar in construction to that of the...
    30 KB (2,635 words) - 02:53, 13 May 2025
  • Thumbnail for 105 mm Armata wz. 29
    wooden-spoked steel-rimmed wheels, new hydro-pneumatic recoil mechanism, new interrupted screw breech, new rifling pattern, longer L/31 barrel, new gun shield, and...
    9 KB (1,060 words) - 04:13, 12 January 2024
  • Thumbnail for 152 mm gun M1935 (Br-2)
    had a long – 47.2 calibers – barrel of free-tube construction, with interrupted screw breech. The recoil system with variable recoil length consisted of...
    18 KB (1,958 words) - 12:45, 30 October 2024
  • Thumbnail for 76 mm Schneider-Danglis Mountain Gun Model 1909
    Gun Model 1909 was a breech-loaded howitzer made of steel with an interrupted screw breech and used fixed quick-fire ammunition. It had a box trail carriage...
    14 KB (1,519 words) - 14:28, 16 January 2025
  • Thumbnail for M198 howitzer
    allowing for rapid emplacement. The breech is operated manually via a screw type mechanism that rests low in an ergonomic position. The M198 fires separate-loading...
    14 KB (1,375 words) - 00:20, 15 April 2025
  • Thumbnail for Type 38 75 mm field gun
    the army’s Osaka Arsenal. The original Type 38 gun had a conical interrupted screw, a single box type trail which limited gun elevation to only 16°30'...
    8 KB (813 words) - 15:38, 25 March 2025
  • Thumbnail for 8 cm/40 3rd Year Type naval gun
    The original 12-pounders were built-up guns with a single-motion interrupted screw breech that fired Fixed Quick Fire ammunition and had bottom mounted...
    12 KB (1,026 words) - 02:42, 26 April 2024
  • Thumbnail for SPG-9
    Crew 2 (1 gunner, 1 loader) Caliber 73 mm (2.9 in) smoothbore Breech Interrupted screw Recoil None Carriage Tripod Elevation +7°/−3° Traverse 30° total Rate of fire...
    19 KB (1,259 words) - 02:56, 13 May 2025