“Grigorovich DI-3”的意思、由来-开放百科全书

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Grigorovich DI-3

释义

Specifications (DI-3)
References

name=DI-3

image=Grigorovich DI-3.jpg

caption=

}}{{Infobox Aircraft Type

type=Fighter

national origin=Soviet Union

manufacturer=Grigorovich

designer=

first flight= August 1931

introduced=

retired=

status=

primary user=

number built=

developed from=

variants with their own articles=
}}

Grigorovich DI-3 ({{lang-ru|Григорович ДИ-3}}), (Dvukhmyestnyi Istrebitel - two-seat fighter), was a prototype two-seat fighter developed in the Soviet Union in the 1930s. It was intended to be a long-range escort fighter developed from the DI-2 with improved range and performance comparable to single-seat fighter aircraft of the time. DI-3 was a single-bay biplane of mixed construction with a twin-rudder tailplane of variable incidence. Although initial tests demonstrated flight characteristics comparable to Polikarpov I-5, the addition of armament and operational equipment caused significant degradation in performance and DI-3 did not enter mass production. The prototype was subsequently fitted with an enclosed cockpit and used as a VIP transport.^[1]

Specifications (DI-3)

{{aircraft specifications
|plane or copter?=plane
|jet or prop?=prop
|ref=Shavrov 1985^[1]
|crew=Two
|length main=7.8 m
|length alt=25 ft 7 in
|span main=11.8 m
|span alt=38 ft 9 in
|area main=30.1 m²
|area alt=324 ft²
|empty weight main=1,487 kg
|empty weight alt=3,278 lb
|loaded weight main=2,122 kg
|loaded weight alt=4,678 lb
|engine (prop)=BMW VIz7,3
|type of prop=V12 engine
|number of props=1
|power main=545 kW
|power alt=730 hp
|max speed main=256 km/h
|max speed alt=138 knots, 159 mph
|ceiling main=6,300 m
|ceiling alt=20,669 ft
|loading main=70 kg/m²
|loading alt=14 lb/ft²
|power/mass main=257 W/kg
|power/mass alt=0.16 hp/lb
|more performance=

Time to altitude: 17.5 min to 5,000 m (16,400 ft)
Horizontal turn time: 13 sec

|armament=

2× 7.62 mm (0.3 in) synchronized PV-1 machine guns
1× 7.62 mm (0.3 in) DA machine guns on a manually operated gun mounting.

}}

References

1. ^¹{{cite book|author=Shavrov V.B.|year=1985|title=Istoriia konstruktskii samoletov v SSSR do 1938 g. (3 izd.)|language=Russian|publisher=Mashinostroenie|isbn=5-217-03112-3}}

2 : Grigorovich aircraft|Soviet fighter aircraft 1930–1939

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