Maximální vzletová hmotnost: Maximum Take-off Weight:
? kg
? lb
Rozpětí: Wingspan:
10,000 m
32ft 10in
Délka: Length:
8,475 m
27ft 9,75in
Výška: Height:
2,900 m
9ft 6in
Plocha křídla: Wing Area:
17,15 m2
184.6 ft2
Plošné zatížení: Wing Loading:
160,117 kg/m2
32.79 lb/ft2
Pohon: Propulsion:
Kategorie: Category:
pístový
piston
Počet motorů: Number of Engines:
1
Typ: Type:
Klimov VK-105PF kapalinou chlazený vidlicový dvanáctiválec o vzletovém výkonu 890 kW (1 210 k), 926,75 kW (1 260 k) v h= 700 m a 868 kW (1 180 k) v h= 2 700 m. Vrtule trojlistá VIŠ-61P s nastavitelným úhlem náběhu o průměru 3 000 mm.
Klimov VK-105PF twelve-cylinder liquid-cooled vee engine, rated at 1,193 hp for take-off, combat power 1,243 hp at 2,297 ft and 1,165 hp at 8,858 ft driving a three-blade variable-pitch VISh-61P propeller of 9ft 10in diameter.
Objem palivových nádrží: Fuel Tank Capacity:
408 l
90 UK gallons (108 US gallons)
Výkony: Performance:
Maximální rychlost: Maximum Speed:
592 km/h v 3800 m
mph in ft
Cestovní rychlost: Cruise Speed:
? km/h v ? m
? mph in ? ft
Rychlost stoupání: Climb Rate:
18,8 m/s
3700.8 ft/min
Čas výstupu na výšku: Time to Climb to:
4,7 min do 5000 m
4,7 min to 16404 ft
Operační dostup: Service Ceiling:
11000 m
36089 ft
Dolet: Range:
1100 km
683.5 mi
Maximální dolet: Maximum Range:
? km
? mi
Výzbroj: Armament:
1x pevný kanón ŠVAK ráže 20 mm střílející osou vrtule, 120 granátů.
One fixed forward-firing 0.79 inch ShVAK cannon firing through the propeller spinner, 120 rounds.
URL : https://www.valka.cz/Jakovlev-Jak-1-odlehceny-t145794#468867
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How-1 for air defense
Fighter aircraft How-1 over time, picking up on the weight, on the other, it was due to ongoing modifications, such as bigger radiator etc., also of the Yak has become a front-line aircraft and, as such, carried under the wing pylons for the six unguided rockets RS-82, or for two stokilové cougars FAB-100. Mass for serial Yaks-1, increased up to three tonnes, this aircraft lost the original maneuverability and agility, and most could no longer perform the tasks interceptors for air defense, therefore, ten Yaks went through a rather drastic relief. During this reliever the bark were removed both machine guns ŠKAS, was simplified bombsight, reduced the reserve of compressed air, the further it was removed the air filter, the grid in front of the radiator, a wooden tail was replaced by a lighter metal, originating from the aeroplane How-7, the fuel tank was stripped of spongy protection (this should ensure samosvornost), removed were also racks of unguided rockets or bombs, etc. in Total managed to reduce the weight of about 162 kg. With such relief to the Yaks returned to the lightness, agility and rate of climb.
In may 1942 passed one of these machines factory tests, followed by tests in air defense and after the state tests (12. - 17. October 1942) was made twenty more lightweight machines.
sources: Robert Bock, A Monograph Lotnicze, Well.46., As-1 As-3, AJ Press, Gdynia, Poland, 1998, ISBN 83-86208-90-2. www.spacephys.ru author archive.
URL : https://www.valka.cz/Jakovlev-Jak-1-odlehceny-t145794#468872
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