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Soviet Beriev MBR-2 flying boat1
Design
The Beriev MBR-2 was the military version of the Beriev Be-2.1 They were used in civilian and military roles.1
The MBR-2 was built with metal wings and a wooden hull.1
Then engine was mounted on pylons above the fuselage.1 It was a pusher engine.1
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
>1,500 MBR-2s were built.1 They were built from the early 1930s to 1941.1
Variants
- Be-2: Civilian version.1 Could carry eight passengers.1 These were operated by Aeroflot.1
- MBR-2: Military version.1 The cockpit was open.1 It also could have a ski undercarriage or fixed wheels.1
- 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
- MP-1: Civilian transport.1 Carry eight passengers.1
- MP-1T: Civilian freight transport.1 Based on MBR-2.1
- MP-1bis: Based on the MBR-2bis.1
Usage
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
| Beriev MBR-21 | Beriev MBR-2bis1 | |
|---|---|---|
| Type | Flying boat1 Reconnaissance1 Air sea rescue1 |
|
| Crew | 51 | |
| Engine (Type) | M-17B1 | Mikulin AM-34NB1 |
| Cylinders | V 121 | |
| Cooling | ||
| HP | 6801 | 8601 |
| Propeller blades | 21 | 31 |
| Fuel capacity | ||
| Dimensions | ||
| Span | 62' 4"1 19 m1 |
|
| Length | 44' 3"1 13.48 m1 |
|
| Height | 14' 9"1 4.5 m1 |
|
| Wing area | ||
| Weight | ||
| Empty | 7,024 lb1 3,186 kg1 |
|
| Loaded | 9,359 lb1 4,245 kg1 |
|
| Performance | ||
| Speed | 136 mph1 218 kph1 |
|
| Speed @ 6,560' / 2,000 m |
171 mph1 275 kph1 |
|
| Cruising speed | 121 mph1 195 kph1 |
|
| Climb | ||
| Service ceiling | 25,920'1 7,900 m1 |
|
| Range | 745 miles1 1,200 km1 |
650 miles1 1,046 km1 |
| Range - operational | ||
| Armament | ||
| Bow | 1: 7.62 mm MG1 | 1: 7.62 mm MG1 |
| Dorsal turret | 1: 7.62 mm MG1 | |
| Bombs or depth charges |
660 lb1 300 kg1 |
Sources:
- Aircraft of WWII, Stewart Wilson, 1998
