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Soviet Union's Beriev MBR-2, Beriev Be-2 flying boat

Design

The MBR-2 was designed by Georgi Mikhailovich Berlev. The Beriev MBR-2 was the military version of the Beriev Be-2. They were used in civilian and military roles.

Construction

The MBR-2 was built with metal wings and a wooden hull.

Engine

Then engine was mounted on pylons above the fuselage. It was a pusher engine.

Wings

Under the wings were outrigger floats.

Prototype

The MBR-2 prototype first flew in 1931 and had a BMW VIZ engine (500 HP).

Production

  • Total: >1,500
    • Manufacturer: State Industries
    • Production: early 1930s - 1941

Variants

  • Beriev Be-2: Civilian version. Could carry eight passengers. These were operated by Aeroflot.
  • Beriev MBR-2: Military version. The cockpit was open. It also could have a ski undercarriage or fixed wheels.
  • Beriev MBR-2bis: Military version. The cockpit was enclosed. There was a dorsal turret added. The vertical tail surfaces was increased. There were mountings under the wings for bombs, mines, or depth charges.
  • Beriev MP-1: Civilian transport. Carry eight passengers.
  • Beriev MP-1T: Civilian freight transport. Based on MBR-2.
  • Beriev MP-1bis: Based on the MBR-2bis.

Usage

The MBR-2 became operational in 1933.

Altitude Record

A civilian version of the MBR-2 set a record by climbing to 30,000' without cargo in May 1937. This record stood for 23 years.

Combat

The Soviet Union and Finland used the MBR-2 during World War II. Finland had captured five MBR-2s in 1941.

The MBR-2's primary role was for coastal reconnaissance. They were mostly stationed with the Soviet Northern and Black Sea fleets.

Specifications

  Beriev MBR-2
Type Reconnaissance, Air sea rescue
Crew 4 - 5, 5
Engine (Type) M.17, M-17B
Cylinders V 12
Cooling Liquid
HP 680
Propeller blades 2
Dimensions  
Span 43' 11", 62' 4"
19 m
Length 30' 2", 44' 3"
13.48 m
Height 14' 9", 16' 5"
4.5 m
Weight  
Loaded 9,359 lb
Performance  
Speed 136 mph
218 kph
Speed at 6,560' / 2,000 m 154 mph
Cruising speed 121 mph
195 kph
Service ceiling 19,690'
Range 745 miles, 746 miles
1,200 km
Armament 2: MG
Bow 1: 7.62 mm MG
Bombs 660 lb
  Beriev MBR-2bis
Type Short Range Reconnaissance
Crew 4 - 5
Engine (Type) Mikulin AM-34NB
Cylinders Inline 12
Cooling Liquid
HP 860
Propeller blades 3
Dimensions  
Span 62' 4"
19 m
Length 44' 3.75"
13.5 m
Wing area 592 sq ft
55 sq m
Weight  
Empty 7,024 lb
3,186 kg
Loaded 9,359 lb
4,245 kg
Performance  
Speed at 6,560' / 2,000 m 154 mph, 171 mph
248 kph, 275 kph
Service ceiling 19,685', 25,920'
6,000 m, 7,900 m
Range 650 miles, 870 miles
1,046 km, 1,400 km
Armament  
Bow 1: 7.62 mm MG
Turret - Dorsal 1: 7.62 mm MG
Bombs, Mines, or Depth Charges 660 lb, 661 lb
300 kg

Sources:

  1. Aircraft of WWII, Stewart Wilson, 1998
  2. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
20th Century American Military History Crucial Site