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Shchetinin M-11 / M-12

Grigorovich M-11 Rosja / M-12

The Grigorovich M-11 (or Shchetinin M-11) was a Russian single-seat fighter flying boat designed by Dmitry Pavlovich Grigorovich and built by Shchetinin.
First flying in 1916, a small number of two-seat M-11 were built for training use. There were 60 of the M-11 single-seat production variant built.
To improve the water handling an improved variant was developed as the M-12 which had a re-designed hull and reduced loaded weight. Although the climb to height was improved the forward speed was 5 mph (8 km/h) less than the M-11 consequentially only a few M-12s were built.
Grigorovich M-11
Length: 7.60 m (24 ft 11¼ in)
Wingspan: 8.75 m (28 ft 8½ in)
Wing area: 279.87 ft² (26 m²)
Empty weight: 676 kg (1490 lb)
Gross weight: 926 kg (2041 lb)
Engine: 1 × Le Rhône, 82 kW (110 hp)
Maximum speed: 148 km/h (92 mph)
Endurance: 2 hours 42 min
Crew: 1
Armament: 1 × 7.62mm (0.3 in) Maxim machine-gun
Grigorovich M-11 – 1916
Grigorovich M-12 – 1916






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