Nakadžima A2N

Nakajima A2N - přehled verzí
Nakajima A2N - an overview of the versions

Nakajima A2N
designer Takeo Yoshida stood up at the end of 1929 the four prototypes with an engine Jupiter VI., that did not meet the expectations of the navy

Nakajima A2N1 type 90-1
Jingo Kurihara completely reworked the aircraft, which the navy has included in the loadout

Nakajima A2N2 type 90-2
on this aircraft, adjustments were made on the basis of the later requirements of naval aviation

Nakajima A2N3 type 90-3
the fighter was modified to two-seater training plane

The total was made 106 aircraft of this type (including the first prototypes).
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Nakajima A2N
九〇式艦上戦闘機 / kyuu maru shiki kanjou sentouki / on-board fighter type 90

A brief history:
Aerospace industry in Japan was in the twenties still in its infancy, and so the Japanese sought help abroad. To Japan were invited designers from Britain, France and Germany, the japanese designers and officers were on overseas training and in addition the Japanese were buying foreign technique in fairly large quantities. Purchased aircraft or their equipment then thoroughly examined and the obtained findings have been transmitted to the aircraft factories. So also began the development of a successful on-board fighter Type 90, or also known as A2N.

Japanese naval air force in 1928 imported for the purpose of testing the us fighter the Boeing F2B-1 and in 1929 another demonstration prototype the Boeing F4B-1. Both aircraft were naval aircraft compared with their own pursuit Nakajimou A1N1 type 3, which was built by the british model Gloster Gambet. The american aircraft, which belonged to world leaders, were the navy found to be very interesting and designer factory Nakajima Takeo Yoshida was commissioned to design the works and also the construction of two prototypes of the airborne fighters, which would have been built on the basis of the american aircraft.

In 1929, have been completed two prototypes, factory marked NY, which, however, the navy refused, because did not achieve any improvement over the A1N1, made, apparently, already obsolescent engine Jupiter VI. The hull was almost unchanged taken over from the older A1N1, new was wings (similar to the F2B-1) and the suspension was again inspired by the F4B-1.

Work, however, halted not, but to the head of the design team was appointed Jingo Kurihara. The new chief designer focused on the design of the hull and the installation of a new power unit. The construction of the hull was all-metal, in the front part were the skeleton of riveted panels with a light alloy metal and on the back of it was stretched canvas. The engine was a radial devítiválec Nakajima Kotobuki 2 about the power of 580 horses. 1. in may 1931 he was a naval air force brought in fact a completely new aircraft, followed by flight tests that were successful. The new aircraft was naval aviation adopted in April 1932 as a "Naval fighter aircraft of the type 90", or under the shortened designation of A2N1. In the production was quite soon replaced by a version of A2N2, which since its predecessor, differed in the different shape and the locations of the fuel tank and pětistupňovým vzepětím the upper wing (A2N1 had the wing straight). Dimensions and performance were identical.

The new fighter was a very good performance and the japanese naval air force, received on-board a jet corresponding to the then most powerful aircraft which was a Boeing F4B. The flight characteristics were so excellent, that this type was used by trapeze group presenting the naval air force, flying in the composition of the Genda, Okamura and Nomura. The total was made 106 aircraft of this type.
There is a two-seat training version of the A2N3, manufactured in the arsenal in Sasebu, this version became the basis for the training of the fighter version of the A3N1-(66 aircraft) once again produced in Sasebu.



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.aviastar.org/air/japan/nakajima_a2n.php
ja.wikipedia.org
http://surfcity.kund.dalnet.se/a2n.htm
surfcity.kund.dalnet.se
http://www.hikotai.net/datasheets/a2n.htm
author archive
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