IPR — and on earth and under the water

The USSR had created a huge number of unique machines for different types of troops. In the Royal Engineers also had a "gimmick" — IPR — engineering submarine espionage. This machine went through the land (which is completely natural for a car), fording swimming (this is also nothing new — tanks "learned" to swim yet the early twentieth century), could also move in the water, as the submarine, or go to the bottom of the reservoir.

Engineering underwater scout was developed in the 1970s. running VG Mishchenko in the Bureau of Plant named after Dzerzhinsky Mr. Moore (now of "BRK"). Batch creation machine has also been established at the site. In the development of IPR widely used components and assemblies BMP-1. The main purpose of the machine — Exploration aqua-bottlenecking, the pathways of troops and armored units crossing routes. In addition, machine was equipped for underwater engineering work.

Scouting underwater housing was divided into four sealed compartments: a compartment ballast tank compartment control, airlock and power pack compartment. In the nose compartment located ballast tank, which is a container filled with water while moving along the bottom or in the water column. In the same compartment housed units large working river mine detector. Located in the department of management jobs commander and driver. Also, there was a diver reconnaissance. To exit from a container submerged IPR used airlock with diving equipment. The middle and rear of the machine have been filed under the power pack department. It housed the engine UTD-20 box taken from BMP-1. 300-horsepower engine allows 17-ton machine to develop the smooth road speed to 52 km / h Left and right of the engine compartment located on the sides of the small ballast tanks. In the area of the lock chamber placed on the sides of the huge tank.

In a sealed enclosure in a rotating turret main armament was set IPR — 7.62-mm machine gun. Ammunition for the machine gun — 1000 rounds of ammunition. In addition, the Engineering underwater Scout had laying system. Eye served as a device TKN-3AM. On the machine to monitor the terrain set PIR-451 periscope, the disposal unit commander had a day TNP-370. To control the black-time and in bad visibility criteria for the workplace of the driver was equipped with night surveillance device TVN-2BM. Apart from this, the case was set for 9 surveillance devices TNPO-160. In the IRP meeting between members of the crew used the tank intercom R-124, an outer communication was performed using 2-radios R-147 and R-123M.

Chassis Engineering underwater spy was a caterpillar mover, having on each side by 7 support and 5 support rollers, also for 3 hydraulic shock absorber. The movement in the water and water produced by 2-propellers, left and right side boards. In the conduct of Underwater Intelligence allowable depth of the reservoir may be 8 meters, allowed short-term immersion to a depth of 15 meters. When moving underwater exhaust emissions and air powered propulsion by means of special hoses, held above the surface of aqua with a telescopic mast. Mast stowed on the roof of the engineering evolved underwater spy.

Total mass-produced at least 80 cars.

Because of the similarity of external IPR is often confused with the IPM. Machines differ in that the latter can not move in the water column, exterior differences — the lack of a mast.

IPR in the exposition of the Military Historical Museum of Artillery, Engineers and Signal Corps in St. Petersburg. "Paws" mine detector lowered into position

Tactical and technical characteristics:
Combat weight — 17.5 tons;
Crew — 3 persons;
Hull Length — 8715 mm;
Cabinet width — 3150 mm;
Height — 1660 .. 2400 mm;
Wheelbase — 4300 mm;
Track — 2740 mm;
Ground clearance — 400 mm
Armament — 7.62-mm machine gun;
The angles of vertical guidance — from -7 to +15 degrees;
Deflection — 45 .. +45 degrees;
The firing range — up to 1 km;
Sights — PAB-2AM, TKN-3AM;
Motor type — FTD-20;
Engine power — 300 hp;
Road speed — 52 km / h
In store down the highway — 500 km;
Water speed — 11 km / h;
Speeds bottom — 8.5 km / h;
Overcoming obstacles:
Lifting — 36 deg.;
Wall — 0.7 m;
Moat — 2.3 m;
Broad — 8 .. 15 m

Adapted from:
http://strangernn.livejournal.com/
http://military.ya1.ru
http://vadimvswar.narod.ru

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