Nakadžima A4N1

Nakajima A4N1 / 中島 A4N1 ・ 九五式舰上战斗机
     
Název:
Name:
Nakadžima A4N1 / Námořní palubní stíhač Typ 95 Nakajima A4N1 / Navy Type 95 Carrier Fighter
Originální název:
Original Name:
九五式艦上戦闘機 (A4N1)
Kategorie:
Category:
stíhací letoun fighter aeroplane
Výrobce:
Producer:
DD.MM.1934-DD.MM.1940 Nakajima Aircraft Company, Ltd., Ōta /
Období výroby:
Production Period:
DD.MM.1936-DD.MM.1940 série
Vyrobeno kusů:
Number of Produced:
221
První vzlet:
Maiden Flight:
DD.10.1934
Osádka:
Crew:
1
Základní charakteristika:
Basic Characteristics:
 
Vzlet a přistání:
Take-off and Landing:
CTOBAR - standardní vzlet, přistání s pomocí brzdících lan CTOBAR - conventional take-off but arested recovery
Uspořádání křídla:
Arrangement of Wing:
dvouplošník biplane
Uspořádání letounu:
Aircraft Concept:
klasické conventional
Podvozek:
Undercarriage:
pevný fixed
Přistávací zařízení:
Landing Gear:
kola wheels
Technické údaje:
Technical Data:
 
Hmotnost prázdného letounu:
Empty Weight:
1276 kg 2813 lb
Vzletová hmotnost:
Take-off Weight:
1760 kg 3880 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight:
1880 kg 4145 lb
Rozpětí:
Wingspan:
10,000 m 32ft 9,5in
Délka:
Length:
6,640 m 21ft 9,25in
Výška:
Height:
3,070 m 10ft 1in
Plocha křídla:
Wing Area:
22,89 m2 246.39 ft2
Plošné zatížení:
Wing Loading:
76,81 kg/m2 15.73 lb/ft2
Pohon:
Propulsion:
 
Kategorie:
Category:
pístový piston
Počet motorů:
Number of Engines:
1
Typ:
Type:
Nakadžima Hikari 1 vzduchem chlazený hvězdicový devítiválec o vzletovém výkonu 537 kW (730 k), 493 kW (670 k) v h= 3 500 m
Vrtule dvoulistá kovová Hamilton Standard s pevným úhlem náběhu o průměru 2 900 mm
Nakajima Hikari 1 nine-cylinder air-cooled radial, rated at 720 hp for take-off and 661 hp at 11,483 ft,
driving a Hamilton Standard two-blade fixed pitch metal propeller of 9ft 6,17in diameter.
Objem palivových nádrží:
Fuel Tank Capacity:
? ?
Výkony:
Performance:
 
Maximální rychlost:
Maximum Speed:
352 km/h v 3200 m 218.7 mph in 10499 ft
Cestovní rychlost:
Cruise Speed:
233 km/h v 1000 m 144.8 mph in 3281 ft
Rychlost stoupání:
Climb Rate:
14,3 m/s 2815 ft/min
Čas výstupu na výšku:
Time to Climb to:
3,5 min do 3000 m 3,5 min to 9843 ft
Operační dostup:
Service Ceiling:
7740 m 25394 ft
Dolet:
Range:
730 km 453.6 mi
Maximální dolet:
Maximum Range:
846 km 525.7 mi
Výzbroj:
Armament:
2x pevný kulomet Typ 89 model 2 ráže 7,7 mm (po 500 nábojích)
Pumová zátěž: 2x 30 – 60 kg
Two 0.303 in Type 89 Model 2 machine-guns in the upper fuselage decking with 500 rpg
External stores: two 66 or 132 lb bombs
Uživatelské státy:
User States:
Poznámka:
Note:
九五式艦上戦闘機 - Kjúgo Šiki Kandžó Sentóki - Námořní palubní stíhač Typ 95
Letová vytrvalost: 3,5 h
九五式艦上戦闘機 - Kyūgo shiki kanjō sentōki - Navy Type 95 Carrier Fighter
Endurance: 3 hours 30 minutes


The Nakajima A4N was the final biplane fighter to see service with the Japanese Navy and was an interim design produced to fill the gap before the first monoplane fighters entered service.
The A4N was very similar to the earlier A2N2 naval fighters. It was an unequal span single-bay biplane, powered by a radial engine the Nakajima Hikari and armed with two fixed forward firing 0.303 machine guns. The new engine provided 730hp, a big increase on the 580hp available on the A2N2.
The A4N1 entered production as the Navy Type 95 Carrier Fighter, and the type saw some active service in China, during the Sino-Japanese War that began in 1937. It was used as both a fighter and a ground attack aircraft, carrying 265lb of bombs under the wings. The A4N1 had a short front-line career - by the end of 1938 two-thirds of the Navy's fighter units had converted to the monoplane Mitsubishi A5M, and the A4N1 was moved to training duties.
Zdroje:
Sources:
Robert C. Mikesh and Shorzoe Abe, Japanese Aircraft 1910-1941, Naval Institute Press Annapolis, Maryland 21402, 1990, ISBN: 1-155750-563-2
William Green, War Planes of the Sekond World War – Fighters, Vol. Three, London Macdonald, sedmé vydání z roku 1973, ISBN: 0-356-01447-9
Tadeusz Januszewski, Krzysztof Zalewski, Japońskie samoloty marynarki 1912-1945, tom 1., Wydawnictwo Lampart, Warszawa, rok 2000, ISBN: 83-86776-50-1
Tadashi Nozawa, Encyclopedia of Japanese Aircraft 1900-1945, Volume 5, Nakajima Aircrafts. Shuppan-Kyodo Publishers, Tokyo, Japan, rok 1983
Lubomír Vejřík, Vzestup a pád orlů Nipponu 1931 - 1941, Prolog, Svět Křídel Cheb, rok 1994, ISBN: 80-85280-26-4
http://www.aviastar.org/air/japan/nakajima_a4n.php
http://www.airwar.ru/enc/fww1/a4n.html
ja.wikipedia.org;
http://surfcity.kund.dalnet.se/a4n1.htm
archiv autora
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Nakajima A4N1 Type 95
- / - / -
九五式舰上战斗机 / - / Maritime on-board fighter type 95

Brief history:
In 1933 ended the command of the japanese navy competition for on-board fighter monoplane, which was to arise in the framework of the specifications development of 7-Shi. The reason for the termination of the contest was that neither of the two submissions types ( Nakajima NK1F 7-Shi and Mitsubishi 1MF10 7-Shi) did not meet the expectations of the navy, and both types should be completely non-compliant properties. The contest was ended without the expected result - the compensation board dvouplošné fighters Nakajima A2N. Japanese naval air force in the early thirties of the last century had to solve the problem, how can you protect your own fleet from bombers of a possible enemy, the performance of the bombers, and, in particular, then ground, mounted and lehlé on-board fighters A2N would already likely have been unable to protect its own navy. Powerful new fighter jets should come from the just-cancelled competition.

Kaigun Koku Hombu (headquarters of the naval air force) in 1933, turning directly to the factory Nakajima Hikoki To. To. and assigns her a task, to the possible shortest time, built on-board the fighter with higher performance than had the previous on-board fighter, pilots favorite Type 90 (A2N).

The design team, which was commissioned by the project work and construction of the prototype, the factory marked the letters YM, lead engineer Shinenobu Mori. As the basis was taken on-board fighter aircraft A2N, which was carried out several major adjustments, which should bring the much desired increase in performance. The most significant change was the installation of the engine Nakajima Hikari 1 on the power 730 horsepower, the engine was kapotován ring type Townend, engine-powered two-blade metal propeller Hamilton-Standard with a fixed angle of attack. Another important change was the fitting of new wings with greater span and thus with an enlarged supporting surface. The hull was compared to the original type, slightly extended, and it was also slightly slimmer. On the back of a pilotovou head appeared a small hump, which protected the head of the pilot without, however, limiting his view. Landing gear of the aircraft had newly common axis and ostruhová foot was replaced by a tail wheel, this will greatly simplify the handling of the aircraft on the deck of an aircraft carrier. The japanese on-board fighters have suffered from one major flaw – a small range, it was the lack of, which distinguished itself during combat in China, where fighter jets that were intended only for the fighter defense of the hive ships, have failed to provide an escort your own bombers. This lack of tried to team Shinenoba Mori to solve the novelty, which at that time still very rarely used, the aircraft could under the bottom wings to carry polokapkovité additional tanks. These tanks fulfil two functions – first, to significantly extend the range of the aeroplane, and then, in the case of forced landing at sea level, should serve as the emergency floats. Unfortunately, the japanese pilots thought the tanks neoblíbili, regarded them as a burden and tried to get rid of them too soon, completely regardless of whether they are in the target area of enemy aircraft or not.

The first prototype was completed in the autumn of 1934, and already the first tests showed that the task was able to fulfill only in part, the performances were higher than those attained by his predecessor, but the weight of the new aircraft was more than 200 kg higher. Pilots get it too neoblíbili for its "heaviness" and "laziness", because they still prefer the extreme agility and maneuverability of the Type 90. As for the maximum speed, so that was higher by almost 60 km/h, but according to the pilots wasn't such a speed increase too important! Problems with the engine of Hikari plus have caused significant delays in production and as on-board fighter Type 95 also referred to for short A4N1 was the service received in January of the year 1936, i.e., a mere ten months before the truly modern on-board tank Mitsubishi A5M Type 96, the production of "devadesátpětek" was terminated after the delivery of 221 aircraft at the beginning of 1940. A4N1 was the last fighter dvouplošníkem naval aviation. On the decks of aircraft carriers operated together with its predecessor Type 90, both of these types of actively intervened into the initial battles over China in 1937, when the air support the japanese marines in Shanghai provided by the carriers Kaga, Hosho and Ryujo. The japanese fought against the numerical superiority of the chinese air force and it took a whole month before ground troops occupied the chinese airports and in the fighting to engage the powerful fighter, the Mitsubishi A5M, which outnumbered the Chinese completely eliminated. However, this has already been the "swan song" biplane fighters, which on this battlefield also found their "masters" in the form of the soviet light bomber SB-2, in whose performances just weren't enough, in addition to contributed and ineffective system of air raid warnings and of the fighter aircraft is in all respects surpassed, e.g. the british Glostery Gladiator. Aircraft A4N1 however, in China flying to continue, at first it was for the lack of modern A5M, and later were transferred to the implementation of training and connecting tasks.


sources:
William Green and Gordon Swanborough. The Complete Book of Fighter: An Illustrated Encyclopedia of Every Fighter Aircraft Built and Flown, Smithmark Publisher, 1995, ISBN-10: 0831739398
Robert C. Mikesh, Japanese Aircraft 1910-1941 US Naval Institute Press, rok 1990, ISBN:10-1557505632
Tadeusz Januszewski and Kryzysztof Zalewski, Japońskie samoloty marynarski 1912-1945, volume 1., Lampart, year 2000, ISBN: 83-86776-50-1
http://www.airwar.ru/enc/fww1/a4n.html
author archive
.
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Photos A4N1.
Nakadžima A4N1 -


Nakadžima A4N1 -


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one more beautiful picture from an Mri. Shigeo Koike from the server www.ne.jp.
Nakadžima A4N1 -


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Trojpohledový a sketch of the on-board fighters A4N1.
Nakadžima A4N1 -


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