Aviation of WWII
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Glossary USSR Polikarpov I-5 R-5 Po-2 I-15 I-15bis I-153 I-16 I-16 type 5 I-16 type 10 I-17 I-180 I-185 I-190 VIT-2 TIS-A (MA) NB (T) Photos & Drawings

I-15bis

Fighter

Polikarpov

The I-15bis of AF Red Army, Khasan lake 'incident', 1938. © Michael Bykov

The I-15bis of AF Red Army, Khasan lake "incident", 1938.

The upper wing of I-15bis fighter in comparison with I-15 had straight lines (without - "Seagull" - "Chayka"). On the I-15 was improved nose-over of a motor and was strengthened a plane. The I-15bis was equipped with more high-power and high-altitude motor M-25V and had stronger armament.

On fighter I-15bis the Soviet pilots - volunteers battled in the sky of Spain, China and Mongolia. The airplane was applied and in an initial stage of World War II.

Were built 2408 fighters I-15bis (1938-1939)

1933-1939 Fighters
DI-6 I-15 I-15 bis I-153 Chaika I-16 type 5 I-16 type 24
Crew 2 1 1 1 1 1
Year of issue 1937 1934 1937 1939 1936 1940
Dimensions
Length, m 7.0 6.1 6.27 6.17 6.07 6.13
Wing span, m 10.0 9.75 10.2 10.0 9.0 9.0
Wing area, m² 25.2 23.55 22.5 22.14 14.54 14.54
Weight, kg:
Loaded weight 2038 1390 1700 1765 1590 1882
Powerplant
Engine М-25V М-25 М-25V М-62 М-25А М-63
Power, hp 775 640 775 1000 715 1100
Performance
Maximum speed, km/h at sea level 334 315 327 364 390 415
at altitude 382 367 379 424 445 470
m 3000 3000 3500 5000 2700 4800
Time to 5000 m, min 9.2 6.2 6.6 5.7 7.4 5.8
Time of turn, sec 11-12 9.0 10.5 13-13.5 14-15 17-18
Service ceiling, m 8300 9800 9300 10700 9100 9900
Service range, km - 550 520 560 540 440
Armament
Machine guns 3 2 4 4 2 4

References

  • "The history of designs of planes in USSR 1938-1950" /Vadim Shavrov/
  • "Planes of Stalin falcons" /Konstantin Kosminkov and Dmitriy Grinyuk/
  • "Fighter I-15" /Michael Maslov/
  • "The Soviet planes" /Alexander Yakovlev/

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