|Yak-B Gatling gun|
Yakushev-Borzov YakB-12.7 machine gun in the Prague Aviation Museum)
|Place of origin||Soviet Union|
|Manufacturer||Instrument Design Bureau|
|Weight||45 kg (99 lbs), cartridge weight 0.130 kg,
bullet weight 0.048 kg
|Rate of fire||4000–5000 rounds/min|
|Muzzle velocity||810 m/s (2,657 ft/s)|
The Yakushev-Borzov YakB-12.7 mm is a remotely controlled 12.7×108mm caliber four-barrel Gatling gun developed by the Soviet Union for the Mil Mi-24 attack gunship and low-capacity troop transporter, with 1470 rounds, which can also be mounted in GUV-8700 machine-gun pods with 750 rounds. It has a high rate of fire and is also one of the few self-powered guns of the Gatling type.
On the Mi-24 it is mounted in the VSPU-24 undernose turret, with an azimuth of 60° to either side, an elevation of 20°, and a depression of 60°. The gun is slaved to the KPS-53AV undernose sighting system with a reflector sight in the front cockpit.
It was replaced by the fixed, chin-mounted GSh-30K or the smaller caliber but swivel-mounted GSh-23L in the late mark of the Mi-24 helicopters, as it did not provide enough firepower against dug-in or lightly armored targets that did not necessitate a rocket attack.
- GAU-19, a Western 12.7 mm powered Gatling gun
- List of Russian weaponry
- List of multiple barrel firearms
- Koll, Christian (2009). Soviet Cannon: A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm. Austria: Koll. p. 64. ISBN 978-3-200-01445-9. http://www.russianammo.org.
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