Grigorovich IP-1

what is it?

The Grigorovich IP-1 (for Истребитель Пушечный - "Cannon fighter") was a fighter aircraft produced in the Soviet Union in the 1930s by the Grigorovich Design Bureau. The IP-1 started development as the GD-52 in 1934. An all-metal aircraft, it featured an open cockpit, retractable wing wheels, an advanced, nearly-elliptical cantilever wing, and a variable-pitch, metal propeller powered by a 640 hp (477 kW) Wright Cyclone series engine.

🔎How to recognise it: 1 engine · 11 m wingspan

base stats

• speed 410 km/htop speed
• range 600 kmwithout refuelling
• size 1,880 kgmax take-off weight
• built 200made in total

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 92 years ago, in 1934.
• 🏎️Top speed is 3.2× a car on the Dutch motorway (130 km/h).
• 🚗Wingspan of 11 m: about 2 cars parked nose to tail.

spec sheet

first flight

1934

introduced

1936

retired

1940

status

retired

number built

200

role

fighter

origin

🇷🇺 Soviet Union

makers

KhAZ

engines

1× Shvetsov M-25

length

7.2 m

wingspan

11 m

max take-off weight

1,880 kg

top speed

410 km/h

range

600 km

ceiling

8,300 m

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