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F-1 grenade (Russia)

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F-1
F-1 hand grenade
TypeAnti-personnel hand grenade
Place of originSoviet Union
Service history
In service1939–present (Russia)
Used bySoviet Union, Cuba, China
WarsWorld War II
Hukbalahap Rebellion
Korean War
Vietnam War
Rhodesian Bush War[1]
Six-Day War
Yom Kippur War
Angolan Civil War
Iran-Iraq War
Iraq War
First Libyan Civil War
Syrian Civil War
War in Donbas
Russian invasion of Ukraine
Specifications
Mass600 g (1.3 lb)
Length130 mm (5.1 in)
Diameter55 mm (2.2 in)

FillingTrinitrotoluene
Filling weight60 g (2.1 oz)
Detonation
mechanism
Time delay fuse 3.2 to 4.2 s
Grenade cutaway and training sample (DOSAAF Museum, Minsk)
Russian MUV booby trap firing device. A zero-delay pull fuze which is normally connected to a tripwire. The MUV fuze is fully compatible with F-1 and RGD-5 grenades. Fitting an MUV fuze makes it easier to conceal the grenade when setting a boobytrap e.g. partial burial. Note that the detonator is usually threaded, so it can be screwed into the F-1 grenade body

The Soviet F-1 hand grenade (Russian: Фугасный > Fugasnyy 1, "Explosive, Type No. 1") is an anti-personnel fragmentation defensive grenade. It is based on the French F1 grenade and contains a 60 g (2.1 oz) explosive charge (TNT). The total weight of the grenade with the fuze is about 600 g (21 oz).[2]

Due to its shape and its yellow-green color, it is nicknamed the limonka (fem. 'little lemon'). It is also nicknamed Efka (Russian: Эфка) for the letter F.[3] It is similar to the American Mk 2 "pineapple grenade", which was also ultimately modeled on the French F-1.

F-1 simulation-training grenade is called УРГ (учебная ручная граната), URG (training hand grenade).

Fuse

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The Universal'nyi Zapal, Ruchnaya Granata, Modernizirovannyi (UZRGM) (Russian for 'universal igniter, hand grenade, improved') fuse is a universal Russian type also used in the RG-42 and RGD-5 grenades. The standard time delay for this fuse is 3.5 to 4 seconds. There was a myth originating from Peter Kokalis article in Soldier of Fortune (magazine) that implied UZRGM fuze variants are available in versions which give delays between zero (i.e., instantaneous, specifically for use in booby-traps) and 13 seconds. However the UZRGM fuse never had such variants, all UZRGM fuses have delay of 3.2 to 4.2 seconds if working correctly.

The myth originated from the author reading the numbers stamped on the fuse body, which are concealed when fuse is inserted into the grenade. This number indicates factory production line not the fuse delay. Having fuses without clear external marking indicating that it is "short fuse" with 0 or 1–2 seconds delay would be dangerous for soldier operating them.[4] It is possible to hear a loud "pop" as the fuse ignites and begins to burn.

History

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The F-1 was introduced during World War II and subsequently redesigned post-war. It has a steel exterior that is notched to facilitate fragmentation upon detonation and to prevent hands from slipping. The distance the grenade can be thrown is estimated at 30–45 m (98–148 ft). The radius of the fragment dispersion is up to 200 m (660 ft) (effective radius is about 30 m (98 ft),[5]). Hence, the grenade has to be deployed from a defensive position to avoid self-harm.

About 60 percent of the grenade body pulverizes during the explosion, only 30 percent of the body splits into 290 high-velocity, sharp-edged splinters each weighing around 1 gram with an initial speed of about 700 m/s (2,300 ft/s).

While the F-1 is no longer regarded as a front-line weapon with the former Warsaw Pact countries, it still remain in widespread use specially with insurgent groups.[6]

Foreign copies

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Several countries produced copies of the F-1 grenade, including China (as the Type 1), Bulgaria, Czech Republic, Georgia, Poland, and Romania.[7] In 2024, Ukraine started production of an improved F-1 grenade which was approved for military use in September 9, 2024.[8] Several insurgent groups have produced their own grenades based on the F-1.[6]

There are different production variations according to country of origin, including fuse and explosive filling. Poland in particular, produced a rifle grenade based on the F-1 known as the F1/N60. This variant have an impact fuse instead of a time delay fuse.[7]

Operators

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See also

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References

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  1. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2015-08-21. Retrieved 2013-05-03.{{cite web}}: CS1 maint: archived copy as title (link)
  2. ^ Owen, J.I.H (1975). Brassey's Infantry Weapons of the World. New York, N.Y.: Bonanza. pp. 223–224. ISBN 0-517-242346.
  3. ^ Yu. Veremeev, "Происхождение "лимонки".
  4. ^ Gordon L. Rottman (2015). The Hand Grenade. Bloomsbury Publishing. pp. 32. ISBN 9781472807359.
  5. ^ "Советская ручная граната Ф-1"
  6. ^ a b c d e Jones & Ness 2010, p. 751.
  7. ^ a b c Jones & Ness 2010, pp. 751−752.
  8. ^ a b "Ukraine produces analogs of Soviet F-1 and RGD-5 grenades". Militarnyi. 9 September 2024. Retrieved 10 September 2024.
  9. ^ a b Rottman 2020, p. 21.
  10. ^ a b Smisek 2023, p. 149, 158.
  11. ^ a b c Jones & Ness 2010, p. 752.
  12. ^ Marine Corps Intelligence Activity (1998). Iraq Country Handbook (PDF). U.S. Government Printing Office. p. A-18. Archived from the original (PDF) on 28 May 2005. Retrieved 12 September 2024.
  13. ^ Marine Corps Intelligence Activity (1997). North Korea Country Handbook (PDF). Quantico, VA: Federation of American Scientists. p. A-93. Retrieved 13 September 2024.
  14. ^ Campbell 2016, pp. 18, 75.

Bibliography

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