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Grigorovich M-9 (alternative designation ShCh M-9, sometimes also Shchetinin M-9) was a Russian World War I-era biplane flying boat, developed from the M-5 by Grigorovich.

M-9
Grigorovich M-9
Role	Reconnaissance flying boat Type of aircraft
Manufacturer	Shchetinin
Designer	Dmitry Pavlovich Grigorovich
First flight	January 9, 1916
Retired	1920s
Primary users	Russian navy Finnish Air Force
Number built	ca 500
Developed from	Grigorovich M-5

The first M-9 was ready in 1915 and its maiden flight was carried out on January 9, 1916 at Baku. On September 17, 1916, the test pilot Jan Nagórski became the first to make a loop with a flying boat.

During the Russian Civil War, M-9s participated in the air defence of Baku, dropping approximately 6,000 kg of bombs and 160 kg of flechettes. The aircraft also carried out photo reconnaissance, artillery spotting and air combat sorties.

The M-9 was also used for the first experiments on sea shelve study, participating in the finding of new oil fields near Baku.

Nine M-9s were captured by Finland during the Russian Civil War. One was flown by a Russian officer to Antrea on April 10, 1918. It sank the following day during type evaluation. Eight more were taken over at the airfields at Åland and Turku. The aircraft were used until 1922 by the Finnish Air Force.

Operators

 Russia

• Imperial Russian Air Service
• White Army

 Finland

• Finnish Air Force

 Soviet Union

• Soviet Air Force

Specifications (M-9)

Data from Thulinista Hornetiin – 75 vuotta Suomen ilmavoimien lentokoneita,[1] Grigorovich Flying Boats[2]

General characteristics

• Crew: 2
• Capacity: 1
• Length: 9 m (29 ft 6 in)
• Wingspan: 16 m (52 ft 6 in)
• Wing area: 54.8 m² (590 sq ft)
• Empty weight: 1,060 kg (2,337 lb)
• Gross weight: 1,540 kg (3,395 lb)
• Max takeoff weight: 1,610 kg (3,549 lb)
• Powerplant: 1 × Salmson P9 9-cylinder water-cooled radial piston engine, 110 kW (150 hp)
• Propellers: 2-bladed fixed-pitch pusher propeller

Performance

• Maximum speed: 110 km/h (68 mph, 59 kn)
• Endurance: 3 hours 30 minutes
• Time to altitude:
  

1,000 m (3,281 ft) in 12 minutes

2,000 m (6,562 ft) in 30 minutes

Armament

• Guns:
  

• 1 × 7.7 mm MG

or

• 1x 7.5 mm MG

or

• 1x 20 mm cannon

or

• 1x 37 mm Hotchkiss cannon

See also

Related lists

• List of military aircraft of Finland
• List of flying boats and floatplanes

References

Bibliography

• 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.

На других языках

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[de] Grigorowitsch M-9

Die Grigorowitsch M-9 (russisch Григорович М-9) war ein russisches dreisitziges Doppeldecker-Flugboot, das von Dmitri Pawlowitsch Grigorowitsch entwickelt wurde. Das Flugzeug wurde auf Basis der Grigorowitsch M-5 konstruiert und hatte wie diese einen Motor mit einem Druckpropeller. Es wurde als bewaffnetes Aufklärungsflugzeug entwickelt. Ab 1916 gab es auch ein Schulflugzeug dieses Typs, das aber ebenfalls als Aufklärer verwendet werden konnte.

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- [en] Grigorovich M-9

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