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Yak-1b

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Yak-1b
Yak1bs127.png
URSS-Russian aviation red star.svg
Overview
TypeAircraft
RoleFighter
Availability
Development statusReleased

The Yak-1b is a Russian fighter available as an independent Collector's Aircraft.

Gameplay[edit | edit source]

Abuse the flaps and prop hang always! Works flawlessly!

Specifications[edit | edit source]

Indicated stall speed in flight configuration: 153..169 km/h
Indicated stall speed in takeoff/landing configuration: 132..145 km/h
Dive speed limit: 720 km/h
Maximum load factor: 10.3 G
Stall angle of attack in flight configuration: 18 °
Stall angle of attack in landing configuration: 15.6 °

Maximum true air speed at sea level, engine mode - Nominal, 2550 RPM: 530 km/h
Maximum true air speed at 2000 m, engine mode - Nominal, 2700 RPM: 567 km/h
Maximum true air speed at 4500 m, engine mode - Nominal, 2700 RPM: 600 km/h

Service ceiling: 10600 m
Climb rate at sea level: 17.0 m/s
Climb rate at 3000 m: 15.0 m/s
Climb rate at 6000 m: 9.5 m/s

Maximum performance turn at sea level: 19.0 s, at 270 km/h IAS.
Maximum performance turn at 3000 m: 24.1 s, at 270 km/h IAS.

Flight endurance at 3000 m: 2.0 h, at 350 km/h IAS.

Takeoff speed: 160..190 km/h
Glideslope speed: 195..205 km/h
Landing speed: 135..145 km/h
Landing angle: 12 °

Note 1: the data provided is for international standard atmosphere (ISA).
Note 2: flight performance ranges are given for possible aircraft mass ranges.
Note 3: maximum speeds, climb rates and turn times are given for standard aircraft mass.
Note 4: climb rates and turn times are given for Nominal (2700 RPM) power.

Engine:
Model: M-105PF
Maximum power in Nominal mode (2550 RPM) at sea level: 1240 HP
Maximum power in Nominal mode (2700 RPM) at sea level: 1210 HP
Maximum power in Nominal mode (2700 RPM) at 800 m: 1260 HP
Maximum power in Nominal mode (2700 RPM) at 2700 m: 1200 HP

Engine modes:
Nominal (unlimited time): 2550/2700 RPM, 1050 mm Hg

Water rated temperature in engine output: 70..85 °C
Water maximum temperature in engine output: 100 °C
Oil rated temperature in engine output: 90..100 °C
Oil maximum temperature in engine output: 115 °C

Supercharger gear shift altitude: 2300 m

Empty weight: 2322 kg
Minimum weight (no ammo, 10% fuel): 2543 kg
Standard weight: 2887 kg
Maximum takeoff weight: 3117 kg
Fuel load: 304 kg / 408 l
Useful load: 795 kg

Forward-firing armament:
20mm gun "SsVAK", 140 rounds, 800 rounds per minute, nose-mounted
12.7mm machine gun "UB", 220 rounds, 1000 rounds per minute, synchronized

Bombs:
2 x 50 kg general purpose bombs "FAB-50sv"
2 x 104 kg general purpose bombs "FAB-100M"

Length: 8.5 m
Wingspan: 10 m
Wing surface: 17.15 m^2

Combat debut: April 1943

Additional Configurations[edit | edit source]

2 x 50 kg General Purpose Bombs FAB-50sv
Additional mass: 120 kg
Ammunition mass: 100 kg
Racks mass: 20 kg
Estimated speed loss before drop: 23 km/h
Estimated speed loss after drop: 13 km/h

2 x 104 kg General Purpose Bombs FAB-100M
Additional mass: 228 kg
Ammunition mass: 208 kg
Racks mass: 20 kg
Estimated speed loss before drop: 31 km/h
Estimated speed loss after drop: 13 km/h

Landing light for night flights
Additional mass: 2 kg
Estimated speed loss: 0 km/h

RPK-10 fixed loop radio compass for navigation with radio beacons
Additional mass: 10 kg
Estimated speed loss: 0 km/h

History[edit | edit source]