Grigorovich DI-3

what is it?

The Grigorovich DI-3 (Russian: 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.

🔎How to recognise it: 1 piston engine with propeller · 11.8 m wingspan

base stats

• speed 256 km/htop speed
• size 2,122 kgmax take-off weight

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 95 years ago, in 1931.
• 🏎️Top speed is 2.0× a car on the Dutch motorway (130 km/h).
• 🚗Wingspan of 11.8 m: about 3 cars parked nose to tail.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight

1931-08

number built

—

role

fighter

origin

🇷🇺 Soviet Union

makers

Dmitry Pavlovich Grigorovich

engines

1× BMW VI 7.3z

crew

2

length

7.8 m

wingspan

11.8 m

max take-off weight

2,122 kg

top speed

256 km/h

range

—

ceiling

6,300 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.