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Soviet Union's Beriev MBR-2 flying boat

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Beriev MBR-2 flying boat:
Soviet Union's Beriev MBR-2 flying boat

Design

The MBR-2 was designed by Georgi Mikhailovich Berlev.2 The Beriev MBR-2 was the military version of the Beriev Be-2.1 They were used in civilian and military roles.1

Construction

The MBR-2 was built with metal wings and a wooden hull.1,2

Engine

Then engine was mounted on pylons above the fuselage.1,2 It was a pusher engine.1,2

Wings

Under the wings were outrigger floats.1

Prototype

The MBR-2 prototype first flew in 1931 and had a BMW VIZ engine (500 HP).1

Production

  • Total: >1,5001,2
    • Manufacturer: State Industries2
    • Production: early 1930s - 19411

Variants

  • Beriev Be-2: Civilian version.1 Could carry eight passengers.1 These were operated by Aeroflot.1
  • Beriev MBR-2: Military version.1 The cockpit was open.1 It also could have a ski undercarriage or fixed wheels.1
  • Beriev MBR-2bis: Military version.1 The cockpit was enclosed.1 There was a dorsal turret added.1 The vertical tail surfaces was increased.1 There were mountings under the wings for bombs, mines, or depth charges.1
  • Beriev MP-1: Civilian transport.1 Carry eight passengers.1
  • Beriev MP-1T: Civilian freight transport.1 Based on MBR-2.1
  • Beriev MP-1bis: Based on the MBR-2bis.1

Usage

The MBR-2 became operational in 1933.2

Altitude Record

A civilian version of the MBR-2 set a record by climbing to 30,000' without cargo in May 1937.2 This record stood for 23 years.2

Combat

The Soviet Union and Finland used the MBR-2 during World War II.1 Finland had captured five MBR-2s in 1941.1

The MBR-2's primary role was for coastal reconnaissance.1 They were mostly stationed with the Soviet Northern and Black Sea fleets.1

Specifications

  Beriev MBR-21,2
Type Reconnaissance1,2, Air sea rescue1
Crew 4 - 52, 51
Engine (Type) M.172, M-17B1
Cylinders V 121,2
Cooling Liquid2
HP 6801,2
Propeller blades 21
Fuel capacity  
Dimensions  
Span 43' 11"2, 62' 4"1
19 m1
Length 30' 2"2, 44' 3"1
13.48 m1
Height 14' 9"1, 16' 5"2
4.5 m1
Wing area  
Weight  
Empty  
Loaded 9,359 lb2
Performance  
Speed 136 mph1
218 kph1
Speed @ 6,560' /
2,000 m
154 mph2
Cruising speed 121 mph1
195 kph1
Climb  
Service ceiling 19,690'2
Range 745 miles1, 746 miles2
1,200 km1
Range - operational  
Armament 2: MG2
Bow 1: 7.62 mm MG1
Bombs 660 lb2
  Beriev MBR-2bis1
Type  
Crew  
Engine (Type) Mikulin AM-34NB1
Cylinders  
Cooling  
HP 8601
Propeller blades 31
Fuel capacity  
Dimensions  
Span  
Length  
Height  
Wing area  
Weight  
Empty 7,024 lb1
3,186 kg1
Loaded 9,359 lb1
4,245 kg1
Performance  
Speed  
Speed @ 6,560' /
2,000 m
171 mph1
275 kph1
Cruising speed  
Climb  
Service ceiling 25,920'1
7,900 m1
Range 650 miles1
1,046 km1
Armament  
Bow 1: 7.62 mm MG1
Dorsal turret 1: 7.62 mm MG1
Bombs or
depth charges
660 lb1
300 kg1

Sources:

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