H-37 ( Nudelman ) - Soviet aircraft gun of 37 mm caliber, developed by OKB-16 .
| H-37 | |
|---|---|
 | |
| Carriers | |
| MiG-9 , MiG-15 , MiG-15bis , MiG-17 , Su-13 , Yak-25 , Yak-27 | |
| Sizes, mm | |
| Length | 2455 |
| Width | 227 |
| Height | 354 |
| Weight | |
| Projectile mass, g | 735-760 |
| Chuck weight, g | 410 |
| Mass of gun, kg | 103 |
| Specifications | |
| Caliber, mm | 37 |
| Number of stems | one |
| Ammunition, ammo | 40-60 |
| Rate of fire | |
| Rate of fire, rds / min | 400 |
| Initial speed, m / s | 675-690 |
| The length of the continuous queue vyst | 40 |
Content
Development
Repetitive Manufacturing
After the completion of ground tests, without waiting for the completion of flight tests, on the initiative of the people's commissar D. F. Ustinov , it was decided to start mass production of the H-37 cannon at plant No. 74 . In 1947, 518 units were produced, in 1948 - 508, in 1949 - 1314, in 1950 - 3043, in 1951 - 3885, in 1952 - 4433, in 1953 - 4600, in 1954 - 1700, in 1956 - 285 guns. In 1957, the production of the NN-37 gun began, and the production of guns of the type H-37 was discontinued by 1960. The development of projectiles and fuses for them was carried out by GSKB-398, production was established there, at the pilot plant number 398 [1] .
The H-37 aircraft cannon was also manufactured in the People 's Republic of China under a license under the designation Type 30.
Options
- H-37: The first production version, with one H-37 cannon armed with a MiG-9 fighter, a Su-13 .
- H-37D : With a single-chamber muzzle brake with two rows of windows, this option was armed with MiG-15 , MiG-15bis and MiG-17 .
- H-37L : With a longer barrel and without self-supporting devices. The Yak-25 interceptor had two H-37L guns.
- NN-37 : Nudelman-Nemenov system gun, an upgraded version of the H-37. Armament Yak-27 consisted of two such guns.
Tactical and technical characteristics of the gun H-37D
- Weapon type: single barreled automatic gun
- Caliber: 37 Γ 155 mm
- Principle of action: recoil barrel with a short stroke
- Mass of the gun (full): 103 kg
- Shooting rate: 400 shots / min
- Gun dimensions
- Length: 2455 mm
- Width: 227 mm
- Height: 354 mm
- Trunk data
- Overall length: 1361 mm
- The length of the threaded part: 1200 mm
- number of rifling: 16
- Projectile initial velocity
- OST: 690 Β± 10 m / s
- BST: 675 Β± 10 m / s
Notes
- β Tikhonov S. G. The defense enterprises of the USSR and Russia: in 2 tons . - M .: TOM, 2010. - T. 2. - p. 235. - 608 p. - 1000 copies - ISBN 978-5-903603-03-9 .
Literature
- Shirokorad A. B. The history of aviation weapons - Minsk: "Harvest", 1999. - pp. 127-130. - ISBN 985-433-695-6 .
- Nudelman A.E. Guns for combat aircraft (second edition, supplemented) - Moscow: Information Research Institute, 1988. - P. 73-79, 147-151.