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Grigorovich E-2 / DG-55
The Grigorovich E-2, or DG-55 (Russian Григорович Э-2, ДГ-55), was a two-seat, twin-engined, low-wing, prototype sport aircraft of Soviet origin.
Inspired by the de Havilland DH.88 Comet racer which had won the MacRobertson Air Race in 1934, the Grigorovich OKB began work on a similar aircraft. Like the DH.88, the Russian "Kometa" was a highly streamlined conventional low-wing monoplane with twin engines forward of retractable main undercarriage in nacelles under each wing. Built of wood, it also featured an enclosed cockpit and landing flaps.
Intended to be a lightweight, high-speed sport aircraft the DG-55, later designated the E-2, was slightly smaller than the DH.88 and with less powerful engines, using the 120 hp (89 kW) Cirrus Hermes.
Only one prototype was constructed, flying in 1935.
Following completion of its flight tests, the E-2 Kometa was handed over to the OSOAVIAKhIM paramilitary sports organisation, who used it for light liaison duties.
Engines: 2 × Cirrus Hermes, 89 kW (120 hp) each
Propellers: 2-bladed fixed pitch propellers
Wingspan: 11 m (36 ft 1 in)
Wing area: 13.8 m2 (149 sq ft)
Length: 7.9 m (25 ft 11 in)
Empty weight: 1,051 kg (2,317 lb)
Max takeoff weight: 1,546 kg (3,408 lb)
Maximum speed: 296 km/h (184 mph; 160 kn)
Cruise speed: 265 km/h (165 mph; 143 kn)
Range: 2,200 km (1,367 mi; 1,188 nmi)
Service ceiling: 5,000 m (16,000 ft)
Crew: 2

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