BMD-3 – airborne combat vehicle was put into service in the Soviet Army 1990 g. Its development was conducted in SKB VgTZ replacement machines BMD-1 and BMD-2. The design of the new machine allows it to parachute with arranged therein combat crew and parachute landing techniques with aircraft of military transport aircraft and helicopters landing manner. The car has the original chassis and unified with BMP-2 tower armament.
BMD-3 – video
The bow of the hull bottom is formed by three interconnected by transverse sheets, arranged in longitudinal section at different angles to the horizontal, forming an outer convex polygonal line, which passes from the top at an acute angle in a broken concave exterior line, formed from two sheets, arranged in longitudinal section at small and large angles to the horizontal, respectively. In the combat compartment gun with coaxial machine gun turret is installed in a double – commander and gunner are located on the left and right of the gun, and it is equipped with fire control system with jobs commander and gunner with provision commander targeting.
Firepower BMD-3
To observe the gunner uses three fluorescent prismatic devices TNPO-170A and device with wide viewing angles in the vertical and horizontal planes TNPT-1, and when shooting binocular periscope sight combined BPK-2-42. Day system this device has a field of view 10 degrees when the magnification is not less x6, at night the system, these parameters are respectively 6,6 degrees and 5,5 fold. The commander installed, besides the already mentioned combined periscope TKN-3MB, two prism unit TNPO-170A, periscope TNPT-1 and monocular periscope day sight 1PZ-3 with increases h1,2 and x4 angles and field of view 49 and 14 degrees, designed to search for airborne targets and aiming a gun at them (when firing from the place), search for ground targets and guidance on their gun and coaxial machine gun firing from the place and on the move.
Targeting gun and coaxial machine gun carried by consoles gunner and commander control. The machine used electromechanical two-plane stabilizer arms 2E36-4. The minimum speed of the stabilized aiming (in "automatic" mode) is 0,07 city. / c, maximum - 6,0 city. / c. Change-over velocity in the horizontal plane 30, vertical 35 city. / c. Provided by the unit commander's targeting button TKN-3MB, installed in the commander's cupola. Along with the electromechanical actuator has a manual control. In operation with a manual drive is provided declination angle 5 city., elevation 75 city. When operating in the automatic or semiautomatic modes, these angles are respectively 4 and 75 city.
When shooting a course grenade launcher AGS-17 grenade launcher uses a periscope-sight PPB 2-2 with a field of view of at least 25,5 degrees. For observation he has a prism unit TNPO-170A. For observation and firing a machine gun RPKS-74 gunner uses a periscope TNPP-220A with one- and polutorakratnym increases and a prism unit TNPO-170A.
Airborne combat vehicle equipped with fire control system, which uses the same individual fire control panels from the commander and gunner, providing comprehensive operational commander's targeting and duplicate the firing of the cannon and coaxial machine gun, and wherein there is an automatic bypass gun the hazardous area, such as a radio antenna mounted on the machine frame, comprising a limit switch, mounted on the machine frame, and copy, associated with the tower, signals which come from the interaction of a gun aiming mechanism;
Ammunition machine is significantly increased and 500 gunfire and 350 shots in the extra packing. To combat tanks available installation for firing anti-tank inside the machine. ammunition – 6 shots.
At the front of the chassis airborne fighting vehicle is mounted in a ball bearing, linked through a shell with the machine casing, ESP grenade, caliber 30 mm with a gear mechanism for the vertical guidance, and with the possibility of horizontal guidance manually, which has a stopper, pivotally connected to the body of the machine when not in use. Extra Ammo grenade Launcher 290 shots.
To combat tanks and other strong goals machine is equipped with a complex of guided weapons 9K113(M). Anti-tank missile 9M113 "Competition" (9M113M or "competition-M") It has a semi-automatic control system. Launcher provides a horizontal angle guidance turret (360 degrees), elevation 15 and Dec. 5 degrees. ATGM firing range - from 75 to 4000 m.
To fight fires is automatic PPO two-fold action. it contains 2 container with extinguishing agent ("Freon 114V2»), 4 thermal sensor, control and switching equipment. there is also a 2 Hand fire extinguisher OU-2.
On the sides of the tower is installed on the 3 smoke grenade 902V system. Remote launching smoke bombs placed at gunner. at start-up 6 smoke grenades curtain is formed with a minimum width 80 m.
Defense BMD-3
To ensure reservation differential across the thickness of the radome bottom formed by three interconnected by transverse sheets of varying thickness, arranged in longitudinal section at different angles to the horizontal av a2, Of, forming the broken line convex outer, which passes from the top at an acute frail in a broken concave exterior line, formed from two sheets of different thicknesses, arranged in a longitudinal section, respectively, to the horizontal angles. The angle is selected from the condition improve ricocheting shots. The angle is set such skhb location grenade.
Troopers and accommodation
Airborne combat vehicle equipped with seven universal associated with the upper part of the housing seats with harness for aviadesantirovaniya combat crew inside the machine, having the working position and the position in landing and positioned in the housing in the control room and at the rear of the motor housing partition;
In the middle of the machine is the crew compartment, occupying a tower and turret space. Behind it is limited by a partition, of which placed the engine-transmission compartment. In the fighting compartment installed the main armament of the machine and equipped with working space commander (deal of rifles) and gunner (left). Their seats are mounted on a rotating floor tower.
In the motor partitions are located on universal individual seats 3 paratrooper. Each of them has a loophole with a ball mount for shooting from rifles (one in the side and one in the roof hatchway. The latter is designed for dismounting the shooters and their landing in the car. Just a machine installed 7 universal seat 4 in front and 3 in the crew compartment. These seats are designed for landing combat crew members with the machine. The operation is usually used 4 seat.
Means of communication
The machine used telephone, VHF transceiver radio R-173 with frequency, simplex and ultrashort P-173P radio frequency modulated, and the internal communications apparatus P-174, telephone with elekromagnitnymi laringophones on 6 subscribers.
Mobility
With high power density (32 hp / ton), the machine has a high mobility indicators. Its average speed on a dry dirt road is 47-49 kmh, machine overcomes the rise 35 and roll 25 degrees, trench and a half meters in width, can enter the water to shore steepness 30, and out of the water to the shore slope 25 degrees.
The machine is mounted four multi-fuel diesel 2B-06-2 with turbocharged and aftercooling, with opposed cylinders. Its capacity of 400 to 450 HP. The air supply system uses a two-stage air cleaner with automatic dust ejection removal of the dust collector. Its first stage is a cyclone unit, the second stage - oiled tape. Engine cooling system liquid, high temperature, closed type with forced circulation of coolant and air sucking through the ejection radiators. Nozzle heater fire-tube boiler with a heat exchanger and provides preheating of the engine in cold weather. Typically, engine starting is made of compressed air, Additional start-up system - an electric starter.
Transmission of the machine consists of a gear mechanism, and rotation (MPP), final drive, stopping brake control and drive. WFP hydromechanical with friction inclusion 2, 3, 4 and 5 Transmission, constant mesh with gears and a differential rotation mechanism Hydrostatic. It provides for 5 speed forward and reverse gears and infinitely variable Turning Radius. Stopping brake disc, double-acting. Final Drives coaxial, Planetary floating elements. electrohydraulic transmission control drives with electronic control unit and automatic hydraulic actuators. There is also a manual transmission with mechanical and hydraulic actuators.
Caterpillar mover has a rear driving and front idlers. Driving wheels with removable gear rings, idlers welded, the perimeter of obrezinennymi. Road wheels (by 5 on Board) odnoskatnыe, with solid rubber tires, support rollers (by 4 on Board) and lean-Coated. Two types of caterpillars can be used on the machine - basic (high-speed) and broadened (snegobolotohodnye). The first - lantern meshing with sequential silentblocks; the second - a sequence of open metal hinges and articulated double Tracians, mounted on the elongated fingers. The width of the tape, respectively, is 380 and 600 mm. hydraulic track tensioning mechanism with adjustable degree of tension.
Suspension of individual machines pneumatic. It consists of 10 air springs, performing Hydromount functions and actuators for changing the clearance. Minimum ground clearance of the machine 130, worker - 450, maximum - 530 mm.
Performance characteristics BMD-3
– Crew, pers.: 2
– landing, pers.: 5
– developer: VgTZ
– years of production: from 1985 by 1997
– The number of issued, PC.: 143
Weight BMD-3
– 12,9..13,2 tonnes
The dimensions of the BMD-3
– body Length, mm: 6000
– Length with gun forward, mm: 6360
– housing width, mm: 3114
– Height, mm: 2170..2450
– base, mm: 3200
– Track, mm: 2744
– Clearance, mm: 130..530
Bumper BMD-3
– Type broni: bulletproof. Steel Tower, housing made of aluminum armor
Armament BMD-3
– Caliber guns and stamp: 30-mm 2A42
– gun type: nareznaya malokalibernaya avtomaticheskaya pushkaBoekomplekt guns: 500+360
– firing range, km: to 4
– sights: BPK-2-42, 1PZ-3, PZU-5, PPB-2-2
– Shotgun: 1 x 7.62mm PKT; 1 x 5.45mm RPKS-74
– Other weapons: 1 x AGS-17 "Flame"; 1 x PU ATGM 9M111 "Fagot" / 9M113 "Competition"
Engine BMD-3
– engine's type: 2AT-06-2
– Engine power, l. from.: 450
Speed BMD-3
– Road speed, kmh: 70..71
– Speed over rough terrain, kmh: 10 afloat
– Cruising on the highway, km: 500
– Cruising cross country, km: 275..330
– power density, l. p. / m: 34,1
– suspension type: independent, individual air
– Unit ground pressure, kg / cm²: 0,32..0,48
– Gradeability, city.: 35
– to overcome the wall, m: 0,8
– trench, m: 1,5
– fording, m: floats
Picture of BMD-3
