Jakovlev Jak-1 (útočný)

Yakovlev Yak-1 (Strike fighter)
Яковлев Як-1 (ударный )
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Název:
Name: 		Jakovlev Jak-1 (útočný stíhač) Yakovlev Yak-1 (Strike fighter)
Originální název:
Original Name: 		Яковлев Як-1 (ударный истребитель)
Kategorie:
Category: 		stíhací letoun fighter aeroplane
Výrobce:
Producer:		 DD.10.1941-DD.MM.1942 Saratovský letecký závod č. 292, Saratov /
Období výroby:
Production Period: 		DD.10.1941-DD.MM.1942
Vyrobeno kusů:
Number of Produced: 		1 148
První vzlet:
Maiden Flight: 		DD.07.1941
Osádka:
Crew: 		1
Základní charakteristika:
Basic Characteristics:		 
Vzlet a přistání:
Take-off and Landing: 		CTOL - konvenční vzlet a přistání CTOL - conventional take-off and landing
Uspořádání křídla:
Arrangement of Wing: 		jednoplošník monoplane
Uspořádání letounu:
Aircraft Concept: 		klasické conventional
Podvozek:
Undercarriage:		 zatahovací retractable
Přistávací zařízení:
Landing Gear:		 kola wheels
Technické údaje:
Technical Data: 		 
Hmotnost prázdného letounu:
Empty Weight: 		2490 kg 5490 lb
Vzletová hmotnost:
Take-off Weight: 		2995 kg 6603 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight: 		3210 kg 7077 lb
Rozpětí:
Wingspan: 		10,000 m 32ft 10in
Délka:
Length: 		8,745 m 28ft 8,25in
Výška:
Height: 		2,700 m 8ft 10,25in
Plocha křídla:
Wing Area: 		17,15 m2 184.6 ft2
Plošné zatížení:
Wing Loading: 		174,636 kg/m2 35.77 lb/ft2
Pohon:
Propulsion:		 
Kategorie:
Category:		 pístový piston
Počet motorů:
Number of Engines:		 1
Typ:
Type:		 Klimov M-105PA o vzletovém výkonu 809 kW (1 100 k), nominální výkon 750 kW (1 020 k) a bojový výkon 809 kW (1 110 k) v h= 2 000 m.
Vrtule trojlistá VIŠ-61P s nastavitelným úhlem náběhu o průměru 3 000 mm.		 Klimov M-105PA twelve-cylinder liquid-cooled vee engine, rated at 1,085 hp for take-off, nominal power 1,006 hp and combat power 1,085 hp at 6,562 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 (107.8 US gallons)
Výkony:
Performance: 		 
Maximální rychlost:
Maximum Speed: 		528 km/h v 4500 m 328.1 mph in 14764 ft
Cestovní rychlost:
Cruise Speed: 		? km/h v ? m ? mph in ? ft
Rychlost stoupání:
Climb Rate: 		14,2 m/s 2795.3 ft/min
Čas výstupu na výšku:
Time to Climb to: 		6,3 min do 5000 m 6,3 min to 16404 ft
Operační dostup:
Service Ceiling: 		9500 m 31168 ft
Dolet:
Range: 		760 km 472.2 mi
Maximální dolet:
Maximum Range: 		? km ? mi
Výzbroj:
Armament: 		1x pevný kanón ŠVAK ráže 20 mm střílející osou vrtule, 120 nábojů a
2x pevný kulomet ŠKAS ráže 7,62 mm nad motorem, každý s 750 náboji.
Pumový náklad: 2x puma FAB-100, každá o hmotnosti 100 kg, nebo
6x neřízená raketa RS-82.		 One fixed forward-firing 0.79 inch ShVAK in engine-mounted with 120 rounds and
two fixed-forward-firing 0.3 inch ShKAS mounted above engine, 750 rpg.
Bomb load: two bombs FAB-100 or six unguided rockets RS-82.
Uživatelské státy:
User States:
Poznámka:
Note: 		Tento stíhací Jak-1 nenesl žádné další označení. Nejednalo se o jednu výrobní sérii, ale do této podoby můžeme zaředit až 40 sérií, vzletová hmotnost se pohybovala od 2 930 kg do cca 3 000 kg, uvedené údaje platí pro verzi s největší hmotností. -
Zdroje:
Sources: 		William Green, Warplanes of the Second World War, Volume Three – Fighters, Macdonald & Co. Ltd., London rok 1961, ISBN: 0-356-01447-9
Robert Bock, Monografie Lotnicze, No.46., Jak-1 Jak-3, AJ Press, Gdynia, Poland, 1998, ISBN 83-86208-90-2.
Hans-Heiri Stapfer, Yak Fighters in Action, Aircraft No. 78., Carrollton, Texas, Squadron/Signal Publications, Inc., 1986. ISBN 0-89747-187-3.
http://www.airwar.ru/enc/fww2/yak1bomb.html
http://www.wio.ru/tacftr/yak.htm
http://airfield.narod.ru/yak/yak-1/yak-1_tth.html
http://ru.wikipedia.org/
archiv autora
URL : https://www.valka.cz/Jakovlev-Jak-1-utocny-t74597#469070 Version : 0
Yakovlev Yak-1 (battle)

The combat version of the Yakovlev Yak-1 is not a separate version, nor does it carry any special markings. This modification belongs to a large family of early Yak-1[/b:aaaa] aircraft, which were produced with various modifications but without further distinction.
It can be said that it was another modification (developmental stage) of the serial Yak-1 machine. Since in this case there were no significant changes to the aircraft design, this modification was not listed as a new version of this fighter.

In 1940/1941, the Russian Air Force lacked a fast single-seat machine that was suitable for both interception and ground support (so-called light bomber). For these reasons, it was decided to equip the Yak-1 fighter with RS-82 unguided missiles. Without anyone suspecting how simple or complex this would be, Plant 292 was ordered to switch to production of such modified Yak-1s from 1 October 1941 and produce the first twenty units for testing and trials by 1 October.

In the end, it turned out that arming the Yak-1[/b:aaaa]with unguided missiles would not be that difficult. It was necessary to install hanging points for the missiles under the wing, and the wing covering had to be modified in the part of the wing where it was to come into contact with the exhaust gases of the rocket engines. After that, the only thing left to modify was the gunner's sight, which was to be used for targeting both the gunner's armament and the RS-82 unguided missiles. No further changes were then necessary. The Yak-1 produced from October 1941 onwards were therefore armed with a single 20mm ŠVAK cannon firing a hollow shaft propeller, two 7.62mm ŠKAS synchronized machine guns mounted above the engine, and a sub-mounted armament. This consisted of six RS-82 unguided rockets suspended three under each wing half, or two 100kg FAB-100 bombs. The cannon was loaded with 120 rounds and the machine guns with 750 rounds per barrel.

The firing tests and operational tests of the first Yaks modified in this way turned out well. The use of unguided rockets against ground targets was very effective and their firing did not affect the behaviour of the aircraft in any significant way. There was no engine skipping (as some had assumed), so the only drawback was a noticeable drop in the speed of the aircraft (armed with six RS-82).

This modification was generally well received by the pilots themselves. They used the unguided missiles not only to attack ground targets, but also in aerial combat. In the latter case, it was more about the psychological effect on the opponent. Fighters were always better at attacking single aircraft than bombers flying in a single block. By firing missiles into such a tightly packed group of aircraft, they were attempting to break it up into smaller groups. There are also documented cases where an enemy machine was directly hit by a RS-82 missile. In such a case, it is said to have literally shattered into small pieces in mid-air.

While the pilots received this modification of the Yak in a largely positive manner, the same was not true of the air command. It found over time that the acute shortage of fighter aircraft made it impossible to deploy the combat variant of the Yak-1 to support ground troops on a larger scale. A rather significant drop in the top speed of this combat variant eventually caused production to revert back to the fighter version. Hinged unguided missiles were therefore again discontinued from the 65th production run. The Yak-1 became a pure fighter again for a longer period of time.

Combat modifications of the Yak-1 were produced in a total of 1,148 units.


L. Popelinsky, Fighter and missile armament of aircraft, Our Army 1997, ISBN 80-206-0531-2
V.Němeček, Vojenská letadla 1-5, Naše vojsko 1990, the whole set ISBN 80-206-0114-7
V.Dymič, M.Šedivý, Triumf a tragédie, Svět křídel 2001, ISBN 80-85280-70-1
V.Němeček, Soviet Aircraft, Our Troops 1969, 28-082-68
www.topsid.com
https://www.airwar.ru/enc/fww2/yak1-105pf.html
https://www.airwar.ru/enc/fww2/yak1-106p.html
https://www.airwar.ru/enc/fww2/yak1m.html
https://www.airwar.ru/enc/fww2/yak1b.html
https://www.airwar.ru/enc/fww2/yak1.html
https://www.wio.ru/tacftr/yak.htm
URL : https://www.valka.cz/Jakovlev-Jak-1-utocny-t74597#274430 Version : 0
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