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The Alekseyev I-21 was a twin-engined single-seat jet fighter designed and produced in the USSR from 1945 to 1948.

Made by OKB-21Alekseyev OKB-21.

Alekseyev I-21 is the predecessor of the Alekseyev I-212.

Jet Or Prop
jet
Designer
Semyon Mikhailovich Alekseyev
Engine(jet)
jet
Length Alt
37
Ferry Range Alt
962 miles
Thrust Main
1300
Lists
* List of military aircraft of the Soviet Union and the CIS
Loaded Weight Main
6.89
Max Speed Alt
524.32 mph
Crew
1
Max Speed Main
970
Ceiling Main
13
600 m
Number Built
3
Successor
Alekseyev I-212
Thrust Alt
2866
Loaded Weight Alt
15189.0
Area Main
25 m2
Span Alt
Plane Or Copter?
plane
Manufacturer
OKB-21
Alekseyev OKB-21
First Flight
1947
Autumn
Number Of Jets
2
Origin
Soviet Union
National Origin
USSR
Climb Rate Main
27.78 m-s
Type of jet
Lyul'ka TR-1
Guns
1380.0
Climb Rate Alt
5416.0
Variants With Their Own Articles
Alekseyev I-212
Length Main
11.54 m
Span Main
12.25 m
Area Alt
268.8
Similar Aircraft
* Gloster Meteor* Sukhoi Su-9* Sukhoi Su-11
Related
* Aircraft 150* VEB Type 152
Ceiling Alt
44619.0
Ferry Range Main
1550.0
Category
Abandoned military aircraft projects of the Soviet Union
Alekseyev aircraft
Soviet fighter aircraft 1940-1949

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