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{{No footnotes|date=June 2013}} |
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{{More footnotes|date=June 2013}} |
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{{Infobox aviation |
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{{Infobox weapon |
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|name=N-37 |
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| name = Nudelman N-37 |
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|image=Image:Chinese NL-37 Cannon.jpg |
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| image = Chinese NL-37 Cannon.jpg |
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| image_size = 300 |
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|caption=Nudelman N-37 at the Beijing Military Museum |
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| caption = Chinese N-37 at the ] |
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}} |
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{{infobox weapon |
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| name = |
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| image = |
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| caption = |
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| origin = ] |
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| origin = ] |
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| type = 37mm single-barrel automatic aircraft cannon |
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| type = Single-barrel ] |
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<!-- Type selection --> |
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<!-- Type selection --> |
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| is_ranged = y |
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| is_ranged = y |
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| is_bladed = |
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| is_explosive = y |
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| is_explosive = y |
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| is_artillery = |
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| is_vehicle = |
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| is_missile = |
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| is_UK = |
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<!-- Service history --> |
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<!-- Service history --> |
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| service = 1946 - |
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| service = 1946 - |
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| used_by = Soviet armed forces and export customers |
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| used_by = Soviet armed forces and export customers |
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| wars =<br/> |
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| wars =* ] |
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* ] |
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* ] |
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* ] |
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* ] |
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* Middle Eastern conflicts |
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* Middle Eastern conflicts |
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<!-- Production history --> |
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<!-- Production history --> |
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| designer = ] |
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| designer = ] |
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| design_date = 1945 on |
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| design_date = 1945 |
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| manufacturer = OKB-16 |
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| manufacturer = ] |
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| unit_cost = |
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| unit_cost = |
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| production_date = 1946 - ca.1960 |
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| production_date = 1946 – ca.1960 |
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| number = |
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| number = |
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| variants =<br/> |
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| variants =*N-37 |
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;N-37 |
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*N-37D |
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;N-37D |
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*N-37L |
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*NN-37 |
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;N-37L |
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;NN-37 |
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<!-- General specifications --> |
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<!-- General specifications --> |
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| spec_label = |
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| spec_label = |
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| weight = 103 kg (227 lb) |
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| weight = 103 kg (227 lb) |
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| length = 2455mm (N-37D) |
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| length = {{convert|2455|mm}} (N-37D) |
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| part_length = |
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| part_length ={{convert|1361|mm}} |
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| width = |
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| width = |
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| height = |
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| height = |
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| diameter = |
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| diameter = |
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<!-- Ranged weapon specifications --> |
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| crew = |
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| passengers = |
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| cartridge = 37x155mm |
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<!-- Ranged weapon specifications --> |
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| cartridge = |
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| cartridge_weight = 735 g/26 oz HEI-T, 760 g/27 oz AP-T |
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| cartridge_weight = 735 g/26 oz HEI-T, 760 g/27 oz AP-T |
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| caliber = 37 mm (1.46 in) |
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| caliber = 37 mm (1.46 in) |
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| action = Short recoil |
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| action = Short recoil |
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| rate = 400 rounds per minute |
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| rate = 400 rounds per minute |
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| velocity = 690 m/s (2,260 ft/s) |
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| velocity = 690 m/s (2,260 ft/s) |
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| range = |
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| range = |
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| max_range = |
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| max_range = |
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| feed = |
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| feed = |
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| sights = |
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| sights = |
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<!-- Artillery specifications --> |
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<!-- Artillery specifications --> |
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| breech = |
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| breech = |
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| recoil = |
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| recoil = |
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| carriage = |
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| carriage = |
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| elevation = |
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| elevation = |
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| traverse = |
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| traverse = |
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<!-- Bladed weapon specifications --> |
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| blade_type = |
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| hilt_type = |
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| sheath_type = |
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| head_type = |
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| haft_type = |
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<!-- Explosive specifications --> |
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| filling = |
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| filling_weight = |
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| detonation = |
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| yield = |
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<!-- Vehicle/missile specifications --> |
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| armour = |
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| primary_armament = |
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| secondary_armament = |
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| engine = |
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| engine_power = |
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| pw_ratio = |
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| transmission = |
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| payload_capacity = |
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| suspension = |
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| clearance = |
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| fuel_capacity = |
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| vehicle_range = |
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| speed = |
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| guidance = |
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| steering = |
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<!-- Missiles only --> |
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| wingspan = |
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| propellant = |
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| ceiling = |
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| altitude = |
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| depth = |
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| boost = |
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| accuracy = |
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| launch_platform = |
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| transport = |
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}} |
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}} |
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The '''N-37''' was a powerful, 37 mm (1.46 in) ] ] used by the ]. It was designed by V. Ya. Nemenov of ]'s OKB-16 to replace the ] ], entering service in 1946. It was 30% lighter than its predecessor at the cost of a 23% lower ]. |
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The '''Nudelman N-37''' was a 37 mm (1.46 in) ] ] used by the ]. It was designed during World War II by V. Ya. Nemenov of ]'s ]-16 to replace the earlier ] and entered service in 1946. It was 30% lighter than its predecessor at the cost of a 23% lower ]. |
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The N-37 was a sizable weapon firing a massive (735 g/26 oz HEI-T, 760 g/27 oz AP-T) shell. Its muzzle velocity was still considerable, but its rate of fire was only 400 rounds per minute. The weapon's considerable ] and waste gases were problematic for ] ], as was finding space for the gun and a useful amount of ], but a single shell was often sufficient to destroy a ]. |
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The N-37 was a sizable weapon firing a massive (735 g/26 oz HEI-T, 760 g/27 oz AP-T) shell. Its muzzle velocity was still considerable, but its rate of fire was only 400 rounds per minute. The weapon's considerable ] and waste gases were problematic for ] ], as was finding space for the gun and a useful amount of ], but a single shell was often sufficient to destroy a ]. |
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The N-37 was used in the ], ], ], and early ] fighters, the ], and others. Production lasted through the late 1950s, although it remained in service for many years afterwards. |
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The N-37 was used in the ], ], ], and early ] fighters, the ], and others. Production lasted through the late 1950s, although it remained in service for many years afterwards. |
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==Variants== |
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==Variants== |
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] |
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;N-37: basic version without muzzle brake |
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;N-37 |
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;N-37D: N-37 with muzzle brake |
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;N-37L: N-37 with 1950mm long barrel (had no muzzle brake) |
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:Basic version without muzzle brake |
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;NN-37: improved N-37L developed during the late 1950s for the Yak-27 reconnaissance aircraft. The NN-37 differed from the N-37L in having a pneumatic counter-recoil accelerator, therefore achieving a rate of fire of 600-700rpm. The ammunition feed mechanism was redesigned as well on this version. |
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;N-37D |
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:N-37 with muzzle brake |
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;N-37L |
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:N-37 with 1950mm long barrel (had no muzzle brake) |
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;NN-37 |
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:Improved N-37L developed during the late 1950s for the Yak-27 reconnaissance aircraft. The NN-37 differed from the N-37L in having a pneumatic counter-recoil accelerator, therefore achieving a rate of fire of 600–700rpm. The ammunition feed mechanism was redesigned as well on this version. |
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;Type 37 aircraft cannon |
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:Chinese licensed / copy production |
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==Production== |
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==Production== |
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==References== |
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==References== |
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{{Reflist|30em}} |
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==Bibliography== |
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<references /> |
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*{{Cite book |
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*{{Cite book |
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| last = Koll |
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| last = Koll |
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| first = Christian |
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| first = Christian |
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| authorlink = |
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| author-link = |
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| coauthors = |
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| title = Soviet Cannon - A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm |
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| title = Soviet Cannon - A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm |
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| publisher = Koll |
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| publisher = Koll |
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| url = http://www.russianammo.org |
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| url = http://www.russianammo.org |
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| doi = |
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| doi = |
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| id = ISBN 978-3-200-01445-9 |
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| isbn = 978-3-200-01445-9 |
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| page = 341 }} |
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| page = 341 |
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| access-date = 2020-12-12 |
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* Широкоград А.Б. (2001) ''История авиационного вооружения'' Харвест (Shirokograd A.B. (2001) ''Istorya aviatsionnogo vooruzhenia'' Harvest. ISBN 985-433-695-6) (''History of aircraft armament'') |
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| archive-date = 2009-10-19 |
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| archive-url = https://web.archive.org/web/20091019161335/http://www.russianammo.org/ |
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| url-status = dead |
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}} |
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* Широкорад А.Б. (2001) ''История авиационного вооружения'' Харвест (Shirokorad A.B. (2001) ''Istorya aviatsionnogo vooruzhenia'' Harvest. {{ISBN|985-433-695-6}}) (''History of aircraft armament'') |
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==External links== |
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{{Commons category|N-37}} |
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{{Russian and Soviet Aircraft Ordnance}} |
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{{Aviation lists}} |
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The N-37 was a sizable weapon firing a massive (735 g/26 oz HEI-T, 760 g/27 oz AP-T) shell. Its muzzle velocity was still considerable, but its rate of fire was only 400 rounds per minute. The weapon's considerable recoil and waste gases were problematic for turbojet fighter aircraft, as was finding space for the gun and a useful amount of ammunition, but a single shell was often sufficient to destroy a bomber.
Chinese N-37 at the Beijing Military Museum