In the very year that Sikorsky was working on his first helicopter, Tatarinov started to build his "Aeromobile" with a grant provided by the Russian Ministry of War at Petrograd. The project was never finished, since Sukhomlinov, Russian Minister of War at the time, thought the work was progressing too slowly and consequently funds dried up. In despair, Tatarinov set fire to his rotorcraft and the hangar which housed it.

The Aeromobile had four rotors turning at the end of an X formed of beams. Beneath it the chassis contained an EDTT 25hp water-cooled engine which was to drive the rotors as well as a five-bladed "centrifugal propeller", which in some respects made this aircraft a convertible. The pilot's seat and controls were placed behind the engine. The total weight was 1300kg.

P.Lambermont "Helicopters and Autogyros of the World", 1958

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