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Tupolev MTB-1

The Tupolev MTB-1 (known originally as the MDR-4 and internally to Tupolev as the ANT-27) was a patrol flying boat built in the Soviet Union in the mid-1930s. It was a refined version of the unsuccessful Chyetverikov MDR-3. The revised design retained the MDR-3's hull, but added a newly designed, full-cantilever wing, a new tail, and a new engine installation featuring two tractor and one pusher unit. Trials began in March 1934 but the prototype was destroyed during one takeoff.

MDR-4 and MTB-1
Role Patrol flying boat
Manufacturer Tupolev
First flight 1934
Retired 1942
Number built 15

A second prototype was constructed the following year, and redesignated MTB-1 to reflect a new torpedo-carrying role. Despite its poor performance in trials, the aircraft was urgently needed to fill a niche in the Soviet Navy, and it was accepted for production before flight testing was complete. Despite some early structural failures, 15 of these machines were eventually produced and saw service in the Navy for several years, remaining in service until 1942.[1]

Operators

  Soviet Union

Specifications (MTB-1)

Data from The Osprey Encyclopaedia of Russian Aircraft 1875–1995[1]

General characteristics

  • Crew: c. eight
  • Length: 21.9 m (71 ft 10 in)
  • Wingspan: 39.4 m (129 ft 3 in)
  • Wing area: 16.49 m2 (177.5 sq ft)
  • Empty weight: 10,521 kg (23,195 lb)
  • Gross weight: 16,250 kg (35,825 lb)
  • Fuel capacity: 3,746 kg (8,259 lb) fuel + 370 kg (820 lb) oil
  • Powerplant: 3 × Mikulin M-34 V-12 liquid-cooled piston engines, 600 kW (800 hp) each

Performance

  • Maximum speed: 225 km/h (140 mph, 121 kn) at sea level 200 km/h (120 mph; 110 kn) at 3,000 m (9,800 ft)
  • Range: 2,000 km (1,200 mi, 1,100 nmi)
  • Endurance: 11 hours
  • Service ceiling: 4,470 m (14,670 ft)
  • Rate of climb: 3.1 m/s (610 ft/min)
  • Time to altitude: 1,000 m (3,300 ft) 5.4 minutes

Armament

  • Guns:
    • 1x 20 mm (0.787 in) Oerlikon cannon in a Tur-9 dorsal turret
    • 4x 7.62 mm (0.300 in) ShKAS machine-guns in twin mountings nose and tail
  • Bombs: 500 kg (1,100 lb)

Notes

  1. ^ a b Gunston, p. 400

Bibliography

  • Gordon, Yefim & Rigamant, Vladimir (2005). OKB Tupolev: A History of the Design Bureau and its Aircraft. Hinckley, England: Midland Publishing. ISBN 1-85780-214-4.
  • Gunston, Bill (1995a). The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey. ISBN 1-85532-405-9.
  • Gunston, Bill (1995b). Tupolev Aircraft since 1922. Annapolis, Maryland: Naval Institute Press. ISBN 1-55750-882-8.

Further reading

  • Shavrov, V. B. (1985). История конструкций самолетов в СССР (in Russian). Vol. 1. Moscow: Машиностроение.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.

tupolev, known, originally, internally, tupolev, patrol, flying, boat, built, soviet, union, 1930s, refined, version, unsuccessful, chyetverikov, revised, design, retained, hull, added, newly, designed, full, cantilever, wing, tail, engine, installation, featu. The Tupolev MTB 1 known originally as the MDR 4 and internally to Tupolev as the ANT 27 was a patrol flying boat built in the Soviet Union in the mid 1930s It was a refined version of the unsuccessful Chyetverikov MDR 3 The revised design retained the MDR 3 s hull but added a newly designed full cantilever wing a new tail and a new engine installation featuring two tractor and one pusher unit Trials began in March 1934 but the prototype was destroyed during one takeoff MDR 4 and MTB 1Role Patrol flying boatManufacturer TupolevFirst flight 1934Retired 1942Number built 15A second prototype was constructed the following year and redesignated MTB 1 to reflect a new torpedo carrying role Despite its poor performance in trials the aircraft was urgently needed to fill a niche in the Soviet Navy and it was accepted for production before flight testing was complete Despite some early structural failures 15 of these machines were eventually produced and saw service in the Navy for several years remaining in service until 1942 1 Contents 1 Operators 2 Specifications MTB 1 3 Notes 4 Bibliography 5 Further readingOperators Edit Soviet UnionSoviet Naval AviationSpecifications MTB 1 EditData from The Osprey Encyclopaedia of Russian Aircraft 1875 1995 1 General characteristicsCrew c eight Length 21 9 m 71 ft 10 in Wingspan 39 4 m 129 ft 3 in Wing area 16 49 m2 177 5 sq ft Empty weight 10 521 kg 23 195 lb Gross weight 16 250 kg 35 825 lb Fuel capacity 3 746 kg 8 259 lb fuel 370 kg 820 lb oil Powerplant 3 Mikulin M 34 V 12 liquid cooled piston engines 600 kW 800 hp eachPerformance Maximum speed 225 km h 140 mph 121 kn at sea level 200 km h 120 mph 110 kn at 3 000 m 9 800 ft Range 2 000 km 1 200 mi 1 100 nmi Endurance 11 hours Service ceiling 4 470 m 14 670 ft Rate of climb 3 1 m s 610 ft min Time to altitude 1 000 m 3 300 ft 5 4 minutesArmament Guns 1x 20 mm 0 787 in Oerlikon cannon in a Tur 9 dorsal turret4x 7 62 mm 0 300 in ShKAS machine guns in twin mountings nose and tail Bombs 500 kg 1 100 lb Notes Edit a b Gunston p 400Bibliography EditGordon Yefim amp Rigamant Vladimir 2005 OKB Tupolev A History of the Design Bureau and its Aircraft Hinckley England Midland Publishing ISBN 1 85780 214 4 Gunston Bill 1995a The Osprey Encyclopedia of Russian Aircraft 1875 1995 London Osprey ISBN 1 85532 405 9 Gunston Bill 1995b Tupolev Aircraft since 1922 Annapolis Maryland Naval Institute Press ISBN 1 55750 882 8 Further reading EditShavrov V B 1985 Istoriya konstrukcij samoletov v SSSR in Russian Vol 1 Moscow Mashinostroenie Taylor Michael J H 1989 Jane s Encyclopedia of Aviation London Studio Editions Retrieved from https en wikipedia org w index php title Tupolev MTB 1 amp oldid 1068504927, wikipedia, wiki, book, books, library,

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