Hello "western" guys! I have bad news for you!
I have found that PRP-4 arty recon vehicle introduced 1984 HAD THERMAL IMAGER in addition to GSR radar! It is proof that USSR HAD thermal sight technology in 1980s! I am sure its further implementations on Soviet helos, UAVs and tanks will be also discovered sooner or later!
Here you are PRP-4 description taken from Worldwide Equipment Guide (WEG):
Quote:
The hull of the PRP-4 is virtually identical to the BMP-1 although, as it has a different mission, the layout of the vehicle and roof hatches is very different.
The driver is seated front left with the power pack to his right and another crew member seated to his rear. Both have single-piece hatch covers and associated observation devices. The two-man power-operated turret is in the centre of the vehicle and is provided with two roof hatches, sensors and a single 7.62 mm PKT machine gun.
Optical devices are mounted on the forward part of the roof and in pods on either side of the turret.
Mounted in the rear of the turret is the 1RL133M-1 "Tall Mike" radar (operating band: I (9.0 GHz), detection range (personnel): 3.0 km, detection range (vehicle): 12 km) with a flat antenna that folds forwards when not operational.
The 1PN59 Thermal Imaging Night Vision Device (the 1PN71 model in PRP-4M) is mounted on the left side of the turret and has a target detection range of at least 3,000 m and a target recognition range of at least 2,000 m.
Mounted on the right side of the turret is the 1PN61 infrared night vision device with a detection range in the active mode of 2,500 to 3,000 m and 1,500 m in the passive mode.
To determine the range to targets, a 1D11M-1 periscope laser binocular rangefinder is also fitted in the right side of the turret. An ID13 laser rangefinder is carried inside the vehicle and deployed away from the vehicle when required.
Navigation equipment fitted includes course plotter KP-4, gyro course indicator 1G13 and gyrocompass 1G25-1.
Information processing and communications equipment fitted includes a 1V250 electronic calculator, an R-173 radio system and a 1A30M automatic command receiver.
The fifth crew member is seated in the rear and has a circular roof hatch that opens to the rear. The twin doors in the hull are retained but the vehicle does not have any firing ports.
As the PRP-4 has extensive communications equipment and other systems that need additional power, an auxiliary power unit is fitted as standard.
The PRP-4 retains the amphibious characteristics of the BMP-1 and is fitted with an NBC system as standard; it can also lay its own smoke screen by injecting diesel fuel into the exhaust outlet which is located on the right side of
the hull.
Specifications:
Crew: 5
Combat weight: 13,200 kg
Ground pressure: 0.60 kg/cm2
Length: 6.735 m
Width: 2.94 m
Height: 2.146 m
Ground clearance: 370 mm
Max speed:
(road) 65 km/h
(water) 7 km/h
Range:
(road) 550-600 km
Fording: amphibious
Engine: UTD-20 4-stroke diesel developing 300 hp
NBC system: yes
Night vision equipment: yes
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