Grigorovich MK-1 | |
---|---|
Role | Reconnaissance-bomber |
Manufacturer | Shchetinin |
Designer | Dmitry Pavlovich Grigorovich |
First flight | 1916 |
Number built | 1 |
The Grigorovich MK-1 (MK - Morskoi Kreiser - sea cruiser) was a large trimotor floatplane, built and tested in Imperial Russia in 1916.
Grigorovich responded to a requirement for a reconnaissance-bomber, for use in the Baltic Sea and Black Sea, issued by the Imperial Russian Navy central headquarters. The resulting large seaplane following the layout of the Sikorsky Ilya Muromets, with a large glazed cabin sitting atop a long slender fuselage. The fuselage and large wings were mounted on a large central float, which also housed a large gunners cockpit housing two gunners. The wings, mounted with flexible bungee joints allowing up to 180 mm (7.1 in) of movement, also carried wing-tip floats for stability on the water. Two 220 hp (160 kW) Renault 12E V-12 water-cooled engines were mounted in strut-supported nacelles between the upper and lower mainplanes. A third engine was added to the centre section of the upper mainplane, to address perceived centre-of-gravity problems and increase the power available; initially this was to have been a 150 hp (110 kW) Sunbeam Crusader, later replaced by a 140 hp (100 kW) Hispano-Suiza 8A before flight trials commenced. [1]
The sole MK-1 was readied for flight trials in mid-November 1916 but nosed over and sank during taxy trials before the first flight. [1]
Data from The Osprey Encyclopedia of Russian Aircraft 1875–1995, [2] Istorija konstrukcij samoletov v SSSR do 1938 g. [1]
General characteristics
Armament
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