Slideshow presentation:

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"A grenade is ... an explosive projectile: a hollow core filled with gunpowder, with an incendiary tube inserted into the point; chinenka; the same bomb, but smaller." IN AND. Dal. "Explanatory Dictionary of the Living Great Russian Language"

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hand grenades are intended for destruction by fragments of enemy manpower and equipment in close combat (during an attack, in trenches, shelters, settlements, etc.)

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Depending on the range of fragmentation and purpose, grenades are divided into anti-personnel (offensive, defensive), anti-tank, and special-purpose (smoke, gas, signal, etc.)

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The RGD-5 and F-1 hand grenades are equipped with a modernized unified UZRGM fuse, and the RGO and RGN hand grenades are equipped with a shock-remote fuse UDZ fuse UZRGM fuse UDZ

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Ignition UZRGM 1 - tube of the percussion mechanism 2 - guide washer 3 - mainspring 4 - striker 5 - striker washer 6 - trigger lever 7 - safety pin 8 - connecting sleeve 9 - primer - igniter 10 - retarder sleeve 11 - retarder 12 - primer - detonator

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UDZ FUSE Remote impact fuse in the section (the position of mechanisms and parts during service handling) 1 - detonator cap of the detonation unit; 2 - primer-igniter; 3 - engine of the long-range cocking mechanism; 4 - sting of the drummer; 5, 6 - sleeve and sleeve of the target sensor; 7 - body; 8 - inertial load of the target sensor; 9 - sting of the drummer of the safety mechanism; 10 - drummer; 11 - ring; 12 - primer-igniter of the safety mechanism; 13 - lever.

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The design of the shock-remote fuse has become a significant novelty. The fuse is assembled in a plastic case, consists of a safety mechanism, a target sensor, a remote device, a long-range cocking mechanism and a detonating assembly. The safety mechanism ensures safety in handling and includes a striker with a sting, a spring, a cotter pin (pin) with a ring, a plug, a bar and a primer. The drummer rotates on the axis (like a trigger) under the action of a torsion spring. The target sensor provides triggering of the fuse when it hits an obstacle and consists of a spherical load (inertial body), a sleeve, a sting, a spring and a bushing. The remote device provides detonation deceleration after the throw by 3.2-4.2 seconds and includes a sleeve with a retarding compound and a detonator cap. The long-range cocking mechanism is designed to cock the fuse 1-1.8 seconds after the throw (i.e., at a distance from the thrower) and includes two bushings with pyrotechnic compositions, a stopper, an engine, a primer and a spring. The detonating assembly is fixed in a glass and consists of a detonator cap and a bushing. In the normal state, the drummer is turned to the upper (cocked) position and is held by a lever pressed against the body and fixed with a cotter pin. The stoppers hold the engine with the capsule in a position shifted to the edge of the fuse, so that the capsule is removed from under the sting, the engine spring is compressed. The load is pressed against the body of the sleeve, the movement of which is limited by the engine. So comparatively complex structure The igniter provides a combination of safe handling (6 stages of protection) with guaranteed operation.

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DEVICE OF ANTI-PERSONNEL GRENADE RGD - 5 RGD-5 refers to anti-personnel fragmentation hand grenades of remote offensive type. This means that it is designed to destroy enemy personnel with hull fragments during its explosion. Remote action - means that the grenade will explode after a certain period of time (3.2-4.2 seconds). Offensive type - means that grenade fragments have a small mass and fly at a distance less than the possible throw range. Externally, the grenade has an oval body made of thin steel. The streamlined body is assembled from the top and bottom parts, each of which includes an outer shell and liner. The opening for the fuse during storage is closed with a plastic stopper. The total weight of a grenade with a fuse is 310 gr. Explosive charge - TNT weighing 110 grams. The fuse of the grenade is universal, suitable also for the F-1 grenade. Mark sunk UZRGM. The range of the fragments is about 15-20 meters.

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DEVICE OF F-1 ANTI-PERSONNEL GRENADE It was developed on the basis of the French F-1 fragmentation grenade of the 1915 model and the English Lemon grenade, supplied to Russia during the First World War. Hence the designation F-1 and the nickname "LEMONKA", it is also "PINEAPPLE", it is also "TURTLE", it consists of a body, an explosive charge and a fuse UZRGM (UZRGM-2). The thick-walled case is made of cast iron with an external notch. The hole for the fuse during storage of the grenade is closed with a plastic stopper. The hull at break yields 290 large heavy fragments with an initial expansion velocity of about 730 m/s. At the same time, 38% of the hull mass goes to the formation of lethal fragments, the rest is simply sprayed. The reduced area of ​​fragmentation is 75-82 sq.m. Grenade mass - 600 g. Warhead mass - 60 g. Throw range - 35-45 m. Deceleration time - 3.2-4.2 s. The radius of the lethal action of fragments is 200 m.

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HAND GRENADE RGO AND RGN RGD-5 and F-1 have one significant drawback, which consists in a large period of time between the throw of a grenade and its detonation. On rough terrain, in the mountains, this allows the enemy, who notices the thrown grenade in time, to take advantage of the nearest shelter, and also creates a threat of self-destruction of the thrower in the event of a grenade rebounding from an obstacle or rolling down a slope after being thrown. Therefore, it was necessary to replace the existing samples with new RGN (offensive) and RGO (defensive) grenades, developed at the Bazalt State Research and Production Enterprise and equipped with a target sensor and triggered when they hit any obstacle.

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Each grenade consists of a body, an explosive mixture charge, a detonation cartridge and a fuse, unified for both models. The body of the RGN is formed by two hemispheres made of aluminum alloy with an internal notch. The body of the RGO to increase the number of fragments, in addition to the two outer hemispheres, has two inner ones. All four hemispheres are made of steel, the lower outer one - for the convenience of distinguishing a grenade from an RGN - has an external notch, the rest - an internal one. In the upper part of the housings, a fuse cup is rolled with a cuff, which is covered with a plastic stopper during storage. A detonation block is placed under the glass in a recess inside the explosive mixture.

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1 - lower inner hemisphere; 2 - lower outer hemisphere; 3 - explosive mixture; 4 - upper outer hemisphere; 5 - glass; 6 - cork; 7 - cuff; 8 - upper inner hemisphere; 9 - shock-remote fuse; 10 - ring; 11 - lever. 1 - lower hemisphere; 2 - explosive mixture; 3 - upper hemisphere; 4 - glass; 5 - cork; 6 - shock-remote fuse; 7 - ring; 8 - lever.

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During the explosion, the RGN grenade forms 220-300 fragments with an average weight of 0.42 g with an initial expansion velocity of 700 m / s, the reduced fragmentation area is 95-96 sq.m. The RGO produces 670-700 fragments weighing 0.46 g and speeds up to 1200 m/s. 73% of the mass of the grenade body goes to the formation of lethal fragments. The energy of RGO fragments is three times higher than that of RGN fragments, the reduced area of ​​expansion is 213-286 sq.m. The "controlled fragmentation" of the RGO provides a greater density of the destruction field than with a small number of heavy fragments (as in the F-1) and, at the same time, greater safety for the thrower and his unit due to the rapid loss of lethal energy by the fragments. CHARACTERISTICS OF ANTI-PERSONNEL GRENADE RGO AND RGN

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Grenade mass, g 310 530 Warhead mass, g 114 92 Throw range, m 25-45 20-40 Deceleration time, s 3.2-4.2 Destruction radius, m 8.7 16.5 Long-range fuse cocking time, s 1-1.8 Radius of safe removal, m 24 - Temperature range of application, oC ±50

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The RKG 3 grenade (Hand Cumulative Grenade) is designed to destroy lightly armored and unarmored vehicles, enemy manpower in shelters. The body of the grenade is round in diameter, it contains an explosive charge with a cumulative funnel directed downwards and a fuse. There is a parachute in the handle. After the check is pulled out of the fuse and the shooter throws a grenade, a spring-loaded parachute jumps out of the handle and the grenade unfolds in a cumulative funnel towards the target. Upon impact, an instantaneous explosion occurs, which is provided by a striker with an inertial ball. Grenade modifications: RKG - 3E - a modernized version of the RKG - 3EM - a modernized version. Weight of the grenade - 1070 g. Length - 400 mm. Diameter - 76 mm. Throw range - 15-20 m. Armor penetration - 170 mm (RKG-3E), 220 mm (RKG-3EM).

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Grenade RGD - M Serves to protect personnel from enemy aimed fire. The unique composition of the RGD-M grenade equipment ensures the setting of a dense smoke screen, which makes it possible for personnel to move more safely in open areas, and also contributes to the effective implementation of special operations. Specifications: Weight of the grenade, kg 0.35 Smoke screen installation time, s to 2 Filler weight, kg 0.125 Curtain length, m from 10 Curtain height, m ​​from 3 Curtain life time, s from 15

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Grenade RGD - 2 Designed as an individual tool for creating smoke zones in order to mask individual firing points, small units, as well as to simulate a fire in military and other equipment in order to mislead the enemy. It can also be used to indicate helicopter landing sites and indicate wind direction and strength for them. The grenade is produced in three versions - RGD-2, RGD-2x and RGD-2ch. RGD-2 and RGD-2x have smoke white color, but RGD-2x differs in that instead of a fuse-match, it has a grating igniter. RGD-2ch has black smoke and is designed to simulate a car fire. In all other respects, the grenades are identical.

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The grenade is a yellow-brown cylindrical cardboard body with a diameter of 4.5cm. and 15cm high. Grenade weight 500-600g. Warm-up time up to 15 seconds, intensive smoke emission time 60-75 seconds. Under average weather conditions, one RGD-2 (RGD-2x) grenade produces an impenetrable cloud of white smoke about 20 meters long, and a RGD-2ch grenade produces a cloud of black smoke up to 10-15 meters long. The figure shows the body of the grenade and diaphragm in brown, removable covers in green, a grater in purple, a smoke mixture in yellow, a match fuse in red. As a smoke mixture, a mixture of ammonium chloride, bertolet salt, anthracene and naphthalene is used.

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The Cheryomukha-1 hand gas grenade is designed to create a gas-smoke cloud with an intolerable concentration of a tear substance in an open area. Tactical and technical data: - place of application - open area; - approximate volume of the gas-smoke cloud /created by one grenade/ - 100 m3, method of application - throwing the grenade by hand, actuation - ignition of the ignition rod by hand, using a grater, the optimal distance of the grenade falling to the object /when the wind is directed to the object/ - not less than 25 meters, response delay time /after actuation/ - 10-20 1 seconds, gas release time - 40 seconds, grenade dimensions /length, diameter/ - 135 mm., 47 mm., weight - 200 grams.

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The Cheryomukha-6 hand gas grenade is designed to create a gas-smoke cloud with an unbearable concentration of tear substance both indoors and outdoors. Tactical and technical data: - methods of application: a) hand throw / single double grenade /; b) shooting from a carbine KS-23 with a special attachment; c) holding by hand / grenade of directional action / for directing gas-smoke into the slot / hole /, fumigating offenders; - the optimal distance of a grenade to an object is 1.5 - 2 meters, the average throw distance is 45 m, the response delay time / from the moment of ignition / is 4 s, the gas release time is 7 s, the dimensions of a single grenade / length, diameter / - 34.88 mm;

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When throwing a grenade, it is necessary to unscrew the cork from the tube, and screw the fuse in its place to the full. When throwing a grenade, it is taken in the hand so that the trigger lever is pressed against its body. Without releasing the lever, the safety pin is pulled out and the grenade is thrown at the target. When throwing a grenade on the move, it is necessary: ​​using the speed of movement and putting successively the strength of the legs, body and arm into the throw, throw the grenade carrying it over the shoulder. When throwing a grenade while lying down, stand on your left knee and at the same time swing. straightening right leg, turning his chest to the target and, falling forward, throw a grenade.

Description of the presentation on individual slides:

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Description of the slide:

LESSON ON THE BASICS OF FIRE PREPARATION TOPIC No. 3 “AMMUNITION. MANUAL Fragmentation Grenades" LESSON 1 "PURPOSE AND DEVICE OF MANUAL Fragmentation Grenades"

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HAND Fragmentation Grenades are designed to destroy enemy manpower in close combat with fragments. Depending on the range of fragmentation of grenade fragments, there are: - offensive (RGD-5, RGN); - defensive (F-1, Russian Geographical Society). By purpose, grenades are divided into: 1. Main purpose (to defeat the enemy): anti-tank; anti-personnel. 2. special purpose- smoke, lighting, signal, etc. 3. Training (have the shape and weight of a combat grenade)

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Description of the slide:

F-1 HAND FRAGMENT GRENADE - a remote-action grenade designed to defeat manpower in a defensive battle. Adopted in 1928, finalized in 1939. The grenade has a ribbed body made of thick steel. Grenade fragments have a large mass and fly to a greater range than the throw distance. Combat characteristics: Mass 600 gr Mass of TNT 60 gr D throw 35-40 m R defeat up to 200 m Slow fuse 3.2-4.2 s Number of fragments up to 300 pcs. 1 2 3

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Description of the slide:

RGD-5 MANUAL Fragmentation Grenade - a remote-action grenade designed to defeat enemy manpower in the offensive and in defense. Adopted in 1954. The grenade has an oval body made of thin steel. The case is assembled from the upper and lower parts, each of which includes an outer shell and an insert. Grenade fragments have a small mass and fly at a distance less than the possible throw range. Combat characteristics: Mass 310 gr Mass of TNT 110 gr Throw D 35-45 m Deceleration time 3.2-4.2 s R for the expansion of fragments up to 30 m. RGD-5 grenade device: 1 - fuse tube 2 - cap with insert 3 - tray with insert

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The need to create new grenades is dictated by the "Afghan experience", because. there was a threat of defeat when the grenade rebounded or rolled. The RGN and RGO grenades were put into service in 1981. RGO - hand-held defensive strike-remote grenade. The body of the RGO has two outer and two inner steel hemispheres with notches. When exploded, it gives 670-700 fragments with an area of ​​expansion - 213-286 sq. meters and in terms of the fragmentation action of the RGS grenade is inferior to the F-1 grenade. Combat characteristics: Grenade weight 530 gr Hexogen weight 92 gr Long-range cocking time 1.3-1.8 s Self-liquidation time 3.2-4.2 s - Cup with cuff 2 - Upper outer and inner hemispheres 3 - Lower outer and inner hemispheres

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Description of the slide:

RGN - hand-held offensive strike-remote grenade. The body of the RGN consists of two hemispheres made of aluminum alloy with applied internal notches. An RGN grenade during an explosion forms 220-300 fragments with an expansion area of ​​​​95-96 square meters. meters. RGN grenade device: 1 - a glass with a cuff 2 - upper hemisphere 3 - lower hemisphere Combat characteristics: Grenade weight 310 gr Hexogen mass 114 gr 35 m R hit 10 m D throw 30-45 m

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Presentation on the topic "Design and operation of grenade launchers and hand grenades" on life safety in powerpoint format. The presentation discusses the purpose, technical and technical characteristics, the device of some models of grenade launchers and hand grenades.

Fragments from the presentation

Purpose

• RPG-7 is designed to fight tanks, self-propelled artillery mounts and other enemy armored vehicles. In addition, they can be used to destroy enemy manpower located in light field shelters, as well as in urban-type structures.
• The RPG-18 grenade is designed to replace RKG-3 hand-held anti-tank cumulative grenades in order to enhance the fire capabilities of rifle units in the fight against enemy armored weapons.
• The GP-25 40 mm grenade launcher is an underbarrel grenade launcher mounted under the barrel of a Kalashnikov assault rifle of all modifications, 5.45 mm and 7.62 mm calibers (with the exception of AK74U), as well as a 5.45 mm Nikonov assault rifle (AN94, theme "Abakan", ind. 6ПЗЗ) and is designed to combat open manpower, as well as manpower located in open trenches, trenches and on the reverse slopes of the terrain.
• The 40-mm shot VOG-25 (7P17) is unitary in its design and is made according to a "sleeveless" scheme, i.e. the propellant charge, together with the means of ignition, is located in the bottom of the grenade body. Shot grenade - fragmentation grenade with a steel case. Inside the grenade body there is a grid of cardboard for rational crushing of the body into fragments. The grenade fuse is head, percussion, instantaneous and inertial action, semi-safety type. The cocking distance is from 10 to 40 meters from the muzzle of the grenade launcher. This variation depends on the temperature range (from -40 C to 50 C). The response time of the self-liquidation mechanism is -14-19 s.
• 40 mm shot with fragmentation grenade VOG-25P ("Foundling"). An expelling charge and a pyrotechnic retarder were introduced into the design of the VMG-P fuse, providing a "bouncing" of the grenade after hitting the ground and its rupture in the air when firing at all ranges combat use grenade launcher. The height of the grenade burst when firing at medium-hard ground was 0.75 m, which made it possible to increase the efficiency of the fragmentation action in comparison with the VOG-25 grenade:
  1. on lying targets by 1.7 times;
  2. on targets located in the trenches by 2.0 times.
• The F-1 hand fragmentation grenade is a remote-action grenade and is designed to defeat enemy manpower mainly in a defensive battle. Due to the large radius of scattering of lethal fragments during a grenade explosion (about 200 m), a grenade can only be thrown from behind cover, from an armored personnel carrier or tank.
• The RGD-5 hand fragmentation grenade is designed to destroy enemy manpower. The type refers to offensive grenades. The steel case of the grenade contains an explosive charge. The body of the grenade consists of two hemispheres. On top of the body there is a hole for screwing the fuse. When transporting a grenade, the hole is closed with a plastic cap. To detonate a grenade, a UZRGM fuse is used.
• The hand-held fragmentation grenade RGO (defensive) is designed to defeat enemy manpower. A significant difference from similar samples lies in equipping it with a target sensor and triggering when it hits any obstacle.
• The manual fragmentation grenade RGN (offensive) is designed to defeat enemy manpower. A significant difference from similar samples lies in equipping it with a target sensor and triggering when it hits any obstacle.
• The RKG 3 grenade (Hand Cumulative Grenade) is designed to destroy lightly armored and unarmored vehicles, enemy manpower in shelters. The body of the grenade is round in diameter, it contains an explosive charge with a cumulative funnel directed downwards and a fuse. There is a parachute in the handle. After the check is pulled out of the fuse and the shooter throws a grenade, a spring-loaded parachute jumps out of the handle and the grenade unfolds in a cumulative funnel towards the target. Upon impact, an instantaneous explosion occurs, which is provided by a striker with an inertial ball.

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Slides captions:

GBOU Cadet School of the Pushkinsky District of St. Petersburg The device and principle of operation of hand grenades Completed by: Educator of the GPA Voronov Yu.A. Pavlovsk

The device, combat properties, and the principle of operation of manual fragmentation grenades

Grenade (Spanish: Granada - grenade) - explosive ammunition designed to defeat enemy personnel and equipment using manual throwing.

Grenadier Instructor Jr. Unger officer of the 12th Astrakhan Grenadier Regiment, 1917 Bettie hand grenade arr. 1915

F-1 Lemon grenade 1915 Tinder fuse grenade 1916

No. item / item characteristics Unit. rev. grenades RGD-5 F-1 1 Grenade type Offensive. Defense. 2 Mass of the loaded grenade G. 310 600 3 Mass of the bursting charge G. 60 75 4 Radius of lethal fragments spread M. 25 200 5 Radius of the zone of effective destruction of manpower M. 5 7 6 Average throwing range of the grenade M. 30-45 20-40 7 Fuse of grenade UZRGM UZRGM 8 Burning time of retarder fuse C. 3.2-4.2 3.2-4.2 Combat properties hand fragmentation grenades of the Armed Forces of the Russian Federation

RGD - 5 General form 1 - igniter tube with cuff 2 - cap with insert 3 - tray with insert

F - 1 General view Device

UZRGM Striking mechanism: 1. Striking mechanism tube 2. Guide washer 3. Mainspring 4. Drummer 5. Drummer washer 6. Trigger lever 7. Safety pin with ring 8. Connecting sleeve Ignition: 9. Igniter capsule 10. Retarder sleeve 11 .Retarder 12. Capsule - detonator

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open lesson on NVP and OBZh "Hand Grenades"

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Tnaliev Duysen GubaydullinovichTeacher of NVP Secondary School named after M. Mametova, Bokeyorda district, West Kazakhstan region Public lesson on NVP on the topic: "Hand grenades." PURPOSE: To study with students the appointment ...

Hand grenades: purpose, types. A grenade is an explosive weapon designed to
destruction of enemy manpower and equipment with the help of
hand throw.
A modern hand grenade consists of a body,
explosive charge and fuse (fuse).
The defeat is inflicted by fragments of the hull,
shock wave or cumulative jet, and
also, as an option, ready-made striking
elements (shrapnel). Made from
light alloys, materials of high specific
strength and plastics.
A trained soldier throws a fragmentation
grenade at 40-50 meters, anti-tank -
about 20 meters.

Fuse

Grenades may have a fuse,
triggered on different principles of detonation
- dynamic (detonation upon impact with the target),
or with a delay (detonation by a fuse with
given delay).
Undermining with a delay is carried out
as follows: when pulling out
safety pin and clip release
cocked in advance
spring mechanism, and the striker hits with force
per capsule from shock-sensitive
substances, (by analogy with the product
hand-held shot firearms).

UZRG

Exploding capsule
ignites gunpowder in a thin fuse
tube. Gunpowder burns at speed
approximately 1 cm per second and does not require
oxygen, so the grenade can
explode underwater. When the fire is in
ignition tube reaches the detonator,
it explodes and causes detonation
explosive, which
equipped with a grenade.
Depending on the design,
the fuse of the grenade turns on the fuse
a tube with a primer and a detonator, and
may also include a spring
mechanism with striker, pin and trigger
bracket.

Classification

By appointment
main purpose (intended for
direct defeat of the enemy):
- anti-tank (high-explosive, cumulative)
- anti-personnel (fragmentation, high-explosive fragmentation, high-explosive)
– incendiary
special purpose:
–
–
–
–
–
–
smoke
lighting
signal
light and sound
gas
and others
training (have the shape and weight of a combat grenade)

Among the hand-held anti-personnel grenades are:

Among hand anti-personnel grenades
allocate:
defensive grenades with a large radius
damage (more explosive power, quantity, quality and
fragmentation distance).
Defensive grenades are supposed to be used only because of
shelters, otherwise they are dangerous for the grenade launcher himself.
A typical defensive grenade - F-1 (explosive charge -
trotyl, 60 g; weight 600 g);
offensive (small explosive charge, scattering of fragments and
damaging effect). Offensive range
pomegranate guaranteed smaller medium range throw
hand, so they can be used while in the open
space.
Offensive includes, for example, RGD-5 (charge
BB - TNT, 110 g; weight 310 g.).

F-1 grenade

F-1 - manual anti-personnel defensive
grenade.

defensive battle.
Due to the significant radius of fragmentation
you can only throw it from behind cover, from
armored personnel carrier or from a tank.

The F-1 grenade has the following tactical and technical
characteristics.
Throw range: 50-60 m
Fragment damage radius: 7 m
200 m - safe distance
Ignition deceleration time: 3.2-4.5 sec
Number of fragments up to 300 pieces
F-1 grenade refers to hand-held anti-personnel fragmentation
defensive remote-action grenades.
Its design turned out to be so successful that without
fundamental changes have existed up to the present
time. Several changes and improvements were made to
increase the reliability of operation of the design of the fuse.

Like most anti-personnel grenades, the F-1 consists of 3 main parts:

Fuse. The grenade has a universal fuse UZRGM (or UZRG). fuse
UZRGM differs from UZRG by changes in the shape of the trigger guard and
striker design, which made it possible to reduce the failure rate of weapons.
Explosive. Explosive charge - 60 g of TNT.
Such grenades have an increased lethality, but the duration
storage in warehouses is strictly limited, after the expiration of the grenade
represents a significant hazard.
Metal shell.
Externally, the grenade has an oval ribbed
cast iron body.
Slicing the body makes it easy to tie
grenades to the peg and also performs
ergonomic function, contributing to
better holding grenades in hand.
The total weight of a grenade with a fuse is 600 g.

RGD-5 (hand grenade, remote)
RGD-5 - Soviet offensive manual
grenade, refers to anti-personnel fragmentation
remote hand grenades
offensive type. This means that she
designed to damage personal
the composition of the enemy with fragments of the hull with his own
explosion.
The grenade reaches its target by throwing it with the hand.
Remote action - means that the grenade
will explode after a certain time (3.2-4.2
seconds) after it is released, regardless
from other conditions. offensive type -
means that grenade fragments have a small
mass and fly at a distance less than
possible throw distance.

Externally, the grenade has an oval body made of thin steel.
The streamlined body is assembled from the upper and lower parts,
each of which includes an outer shell and an insert.
Igniter hole closes during storage
plastic stopper. .
Explosive charge - TNT weighing 110
grams.
The range of fragmentation is 30 meters.
The fuse of the grenade is universal, suitable also for
grenades RG-42 and F-1.
Brand fuse: UZRG, UZRGM (since the second half of the 1950s
years), or UZRGM-2. All of these fuses are interchangeable.
Mass of a grenade with a fuse 310 g

RGO (defensive hand grenade)
RGO (defensive hand grenade) - hand
anti-personnel defensive strike-remote.
Designed to defeat manpower in
defensive battle. The grenade is delivered to the target only
due to her throw with the hand of a soldier.
The radius of destruction by fragments of a grenade is 50 meters, the radius
possible defeat 100 meters. According to performance characteristics in general
similar to the F-1 grenade, but unlike it has
combined shock-remote fuse.
Self-destruction time 3.2-4.2 sec.
Long-range cocking time 1.3-1.8 sec.
Weight 530 g
Detonation mechanism: UDZS fuse with
deceleration time 3.2-4.2 sec.

A grenade explosion occurs when a grenade meets
surface. For the fuse, it does not matter which
part of the grenade hit the surface. Has the meaning
only the deceleration speed of the grenade when meeting with
surface.
In order to improve the safety of the grenade launcher during
random encounter of a grenade with an obstacle at close range
distance from the grenade launcher, the fuse is cocked
only after 1.3-1.8 sec. after being released
safety lever (grenade thrown). That is, if
the grenade at this time will hit something, then the explosion will not
will happen at all.
If the grenade explosion did not occur from a percussion fuse
actions (grenade is not thrown, but the lever is released; grenade
is still in flight; the grenade fell into the water or
loose snow) then after 3.2-4.2 seconds after
the safety lever is released, the
self-destruction of a grenade by its detonation.

RGN (offensive hand grenade)
RGN (offensive hand grenade) anti-personnel
fragmentation shock-remote.
Designed to defeat manpower in combat.
The radius of destruction by fragments of a grenade is 15 meters, the radius
possible defeat 35 meters.
The RGN fuse is cocked only 1.3-1.8 seconds after
when the safety lever is released.
Weight 290 g
Detonation mechanism UDZS fuse with deceleration time
3.2-4.2 s