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Grigorovich ROM-1

From Wikipedia, the free encyclopedia
1920s Soviet aircraft
ROM-1
RoleReconnaissance flying boat
Type of aircraft
DesignerDmitry Pavlovich Grigorovich
First flight1927
Primary userSoviet Navy
Number built1
VariantsGrigorovich ROM-2

TheGrigorovich ROM-1 was a long-range reconnaissance flying boat designed by the Grigorovich Design Bureau for the Soviet Navy in the late 1920s.

Design

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The ROM-1 (ROM =Razviedchik Otkrytovo Morya [Open Sea Reconnaissance]) was a long range maritime reconnaissance sesquiplane flying boat with two engines installed in a tandem nacelle, supported on struts over the hull. The hull was made from aluminumand the wings were made of wood, attached to the sides of the engine nacelle. The water-tight lower wings, attached to the sides of the hull, were installed slightly above the waterline and carried two floats on their tips. The tail surfaces had aluminum alloy frames with fabric covering.

Development of the ROM-1 commenced in the summer of 1925. V.B.Shavrov was responsible for hull design, and P.D.Samsonov was responsible for the wing and powerplant. The ROM-1 first flew in the autumn of 1927, with test flying concluding in 1929, when theSoviet Navy judged it unsuitable for use as in combat.[1]

Specifications

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Data from ,[2] Aircraft of the Soviet Union : the encyclopaedia of Soviet aircraft since 1917[3]

General characteristics

  • Crew: 4
  • Length: 16.0 m (52 ft 6 in)
  • Wingspan: 28.0 m (91 ft 10 in)
  • Wing area: 104.6 m2 (1,126 sq ft)
  • Empty weight: 4,518 kg (9,960 lb)
  • Max takeoff weight: 5,830 kg (12,853 lb)
  • Powerplant: 2 ×Lorraine-Dietrich 12E W-12 water-cooled piston engine, 340 kW (450 hp) each

Performance

  • Maximum speed: 165 km/h (103 mph, 89 kn)
  • Range: 800 km (500 mi, 430 nmi)
  • Endurance: 5 hours
  • Service ceiling: 3,470 m (11,380 ft)
  • Time to altitude: 1,000 m (3,281 ft) in 10 minutes 6 seconds
  • Wing loading: 56.0 kg/m2 (11.5 lb/sq ft)

Armament

  • Guns: 4 x 7.62 mm (0.300 in)DA machine guns inTUR-4 bow andTUR-5 dorsal gun cockpits
  • Bombs: carried under lowerwing

References

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  1. ^Shavrov, V.B. (1988).Istorii︠a︡ konstrukt︠s︡iĭ samoletov v SSSR do 1938 g. (Izd. 5-e, ispr ed.). Moscow: Mashinostroenie. p. 398.ISBN 5-217-03112-3.
  2. ^"ROM-1, D.P.Grigorovich".Russian Aviation Museum. Retrieved2 February 2019.
  3. ^Gunston, Bill (1983).Aircraft of the Soviet Union : the encyclopaedia of Soviet aircraft since 1917. Osprey. p. 93.ISBN 085045445X.

Bibliography

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  • Kulikov, Victor (December 1996). "Le fascinante histoire des hydravions de Dimitry Grigorovitch" [The Fascinating History of the Seaplanes of Dimitry Grigorovitch].Avions: Toute l'aéronautique et son histoire (in French) (45):20–33.ISSN 1243-8650.
Grigorovich aircraft
Sovietscout aircraft designations, 1923–1940
Scout (R)
Shipboard scout (KR)
Cruiser scout (KR)
  • KR-11
  • KR-21
  • KR-31
  • KR-41
  • KR-51
  • KR-6
Shipboard catapult-scout (KOR)
Scout seaplane (MR)
Short-range scout seaplane (MBR)
Long-range scout seaplane (MDR)
Open-sea scout seaplane (ROM)
Descriptors
1 Unknown/not assigned
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