Dmitry Pavlovich Grigorovich

Dmitry Pavlovich Grigorovich (Russian: Дмитрий Павлович Григорович; * 25 Januarjul / February 6 1883greg in Kiev, .. † July 26, 1938 in Moscow) was a Soviet aircraft designer.

Life

Grigorovich attended middle school and then studied at the Polytechnic Institute in Kiev. There he met Igor Ivanovich Sikorski know and also designed his first airplane, the biplane G -1. During his studies he also studied two semesters in Liege. He received his engineering degree from 1909. He soon moved to Saint Petersburg from 1911 and was for two years a magazine about flying out wosduchoplawanija Vestnik ( Messenger of airships ).

In the spring of 1913 he was Technical Director of the First Russian aerospace company S. S. Schtschetinin that dealt with the licensed production of the French Nieuport types IV and Farman XVI. In the summer Grigorovich came into contact with flying boats, as he was commissioned to repair a French Donnet - Levecque. Based on this experience, he built his first flying boat 1913 M -1. With Grigorovich ' types M-5 (1915 ) and M -9 ( 1916) Russia could take over the technological forefront of this type of aircraft in the First World War.

On 1 July 1917 his own company in. But the company was state property already on March 13, 1918 and from then on had to deal with the manufacture of agricultural implements. Grigorovich then moved on to Sevastopol. From 1919 he worked for government agencies in the development of Soviet aviation and in 1922 was chief engineer at the plant No. 3 Krassny Lotschik (red flyer ), where in 1923 his last flying boat model M-24 was built. In the same year his first fighter I-1 appeared. In 1925/26 he was appointed in Leningrad Head of the " OMOS " (Department of Seaplane Versuchsbau, 1927 " OPO -3 ', trial division 3 ), but dropped off on September 1, 1928 for unsatisfactory work results and by I. I replaced. Artamonov. At the end of the 1920s Grigorovich developed different fighters, but were not very successful. After his arrest in 1930 and the subsequent arrest until 1933 Berijew took over his design office. After his release Grigorovich developed from the R-5 tentatively battle planes LSch, lish -1 lish -2 and already. In 1936 he became department head in the People's Commissariat of Aircraft. At the same time, he took a chair in aircraft design and aerodynamics at MAI Moscow.

Grigorovich died in 1938 from leukemia and was buried in the Novodevichy Cemetery Moscow. He wrote about 80 aircraft designs, one of which includes his flying boat designs to the most successful.