Background
GRIGOROVICH, Dmitriy was born on February 6, 1883 in Kiev.
GRIGOROVICH, Dmitriy was born on February 6, 1883 in Kiev.
1909 graduate Kiev Polytech Institute.
Designed about 80 planes, many of which saw serial production and were used by the Soviet Air Force. 1912 designed his first hydroplane, the M-l, and in 1914 the M-5 hydroplane of the same type with 100 hp engine. The plane was used by the Russian Army for reconnaissance and training.
1915 designed the 150-hp M-9, the first-hydroplane to be fitted with 37-mm cannon. 1916 for the first time in hydroplane history an M-9 performed a Nesterov loop. 1916-1917 the M-5, M-9 and M-15 designs were passed on to allied naval authorities, and the M-9 was then produced in various for countries.
1916 designed the M-ll, the world’s first armored hydroplane. 1916-1917 designed a twinengined torpedo-plane and also several M-9 versions. His best Soviet designs were the 1-2 and I-2b fighters, the M-24 hydroplane and the ROM-2 naval reconnaissance plane with two 500 hp engines and a speed of 220 km/h.
1930 designed the 1-5 fighter, noted for its great maneuverability. 1931-1932 designed the Z, the first cannon-armed fighter plane, etc:.