Afanasev A-12.7

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Afanasev A-12.7 - 12.7x108mm
Afanasev A-12.7 mounted on a Mi-4A helicopter - 12.7x108mm

The Afanasev A-12.7 was a Soviet gas-operated, solenoid-fired .50 caliber heavy machine gun designed by N.M. Afanasyev for use on aircraft, as a replacement for the Berezin UB. Developed to arm the Tupolev Tu-4 "Bull" heavy bomber, a Soviet copy of the B-29 Superfortress reverse-engineered from three aircraft that made emergency landings during WW2, it was already obsolete by the time it was ready and was never mounted in the Tu-4, being restricted to use in training aircraft and helicopters. The Tu-4 instead used the Nudelman-Suranov NS-23 23mm cannon.

Initially the A-12.7 was supposed to have a fire rate of 1,400 RPM with a mechanical sear, but this was found to lead to unacceptable barrel wear. An electrical sear was installed in production models which limited the rate of fire to about the same rate as the Berezin UB.

The gun was installed on training versions of the MiG-15, MiG-17 and MiG-19, but only saw combat use on helicopters: the Mi-4A, Mi-6A, Mi-8TV and Mi-24A all used it. The mechanism of the A-12.7 was influential, however, and was referenced by the later Afanasev-Makarov AM-23 and the Afanasyev-Yakushev cannons used by the ZU-23.

Contents

Specifications

(1953 - 1983)

  • Caliber: 12.7x108mm
  • Weight: 56.2 lbs (25.5 kg)
  • Length: 56 in (142.3 cm)
  • Barrel Length: 39.6 in (100.5 cm)
  • ROF: 1,100 rpm
  • Muzzle Velocity: 820 meters per second

Film

Title Actor Character Notation Date
The Secret of Two Oceans (Tayna dvukh okeanov) Mounted on Mi-4 helicopter 1957
Red Dawn Soviet soldiers Fake mockup, mounted on simulated Mi-24 Hind-A 1984
Order No. 027 (Myung ryoung-027 ho) Mounted on Mi-4 (standing for US Army helicopter) 1986

Television

Title Actor Character Notes Date
The State Border: Film 8 Mi-8 Hip Pilot Mounted on Mi-8 Hip 1980-1988

Video Games

Game Title Used by Appears as Notes Release Date
Metal Gear Solid 3: Snake Eater Mounted on Mi-24 Hind-A 2004
Wargame: Red Dragon Mounted on Mi-24 Hind-A 2014

Anime

Film Title Character Note Date
Black Lagoon Mercenaries Mounted on Mi-24 Hind-A 2006



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