Nakadžima Maru-Ten

Nakajima Maru-Ten / 中島丸テン
Nakadžima Maru-Ten Nakajima Maru-Ten
Originální název:
Original Name:
jiná kategorie other category
Nakajima Aircraft Co., Ltd., Nagoya /
Období výroby:
Production Period:
Vyrobeno kusů:
Number of Produced:
1 maketa / wooden mock-up
První vzlet:
Maiden Flight:
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
jiný other
Přistávací zařízení:
Landing Gear:
jiné other
Technické údaje:
Technical Data:
Hmotnost prázdného letounu:
Empty Weight:
? kg ? lb
Vzletová hmotnost:
Take-off Weight:
3120 kg 6878 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight:
? kg ? lb
10,000 m 32ft 9,69in
8,125 m 26ft 7,87in
2,950 m 9ft 8,14in
Plocha křídla:
Wing Area:
13,000 m2 139.93 ft2
Plošné zatížení:
Wing Loading:
240,00 kg/m2 49.16 lb/ft2
jednoproudový turbojet
Počet motorů:
Number of Engines:
TR-12 Otsu (Ne-12B) o tahu 4,66 kN (475 kg) TR-12 Otsu (Ne-12B) four-stage axial compressor, 1,047 lbf thrust
Objem palivových nádrží:
Fuel Tank Capacity:
? ?
Maximální rychlost:
Maximum Speed:
565 km/h v ? m 351.1 mph in ? ft
Cestovní rychlost:
Cruise Speed:
? km/h v ? m ? mph in ? ft
Rychlost stoupání:
Climb Rate:
? m/s ? ft/min
Čas výstupu na výšku:
Time to Climb to:
? min do ? m ? min to ? ft
Operační dostup:
Service Ceiling:
10600 m 34777 ft
204* km 126.8* mi
Maximální dolet:
Maximum Range:
428 km 265.9 mi
Pumy do celkové hmotnosti: 500 kg (1x 250 kg nebo 1x 500 kg) Pumy do celkové hmotnosti: 1,102 lb (1x 551 lb or 1x 1,102 lb)
Uživatelské státy:
User States:
- -
* dolet s pumou o hmotnosti 500 kg.

- Jednalo se o projekt sebevražedného letounu bez podvozku. Katapultovaný start měl být proveden pomocí raket na tuhé palivo. Práce na projektu byly zastaveny ve prospěch typu Nakadžima Kikka,
* Range with a bomb weighing 1,102 lb bomb.

- This was a suicide weapon with no landing gear, was catapult launched using RATO, used the Ne-12B engines, and carried a single bomb. It was never built since it soon evolved into the Kitsuka (Kikka).
Famous Aircraft of the World No.76, Japanese Army Experimental Fighters, Tokyo, Bunrin-Do, August 1976
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Nakajima Maru-Ten

On this project, the chief designer of the Nakajima Hikoki K. K. factory, engineer Kenichi Matsumura, worked together with his assistant engineer Kazuo Ohn. The need for a special attack aircraft arose on the basis of a plan called Kokoku Heiki 2. At the end of August 1944, the Japanese naval air force announced to two of its suppliers what its plans and needs are for building and developing new aircraft and what modifications it expects. The development of suicide planes (jap. [B] Kokoku Heiki) was divided into three parts, Kokoku Heiki 1 was to bring rebuilds of existing types of aircraft Mitsubishi J2M Raiden, Kawanishi N1K Shiden a Yokosuka D4Y Suisei for suicide bombers that were to carry a bomb weighing 800 kg. Kokoku Heiki 2 was to deal with the development of special attack aircraft powered by motocompressor engines TSU-11 and Japanese jet engines TR-12 and TR-12 Otsu, later renamed Ne- 12B and finally the third part of the Kokoku Heiki program was to bring suicide machines with engines Mitsubishi Kinsei.
The project marked as Maru-Ten was given high priority and it was expected that workshop drawings would be drawn during the month and Kaigun Koku Hombu representatives would be shown a life-size scale model. By the end of 1944, the Nakajima factory will build the first 40 !! aircraft. This plan could not be adhered to for various delays, so the plan was operationally changed and at the beginning of February I was to deliver the first prototype for strength tests.
The project placed the main emphasis on the technological simplicity of production. The aircraft was designed as a twin-engine jet, the engines were hung under the wings and its appearance resembled the German Me 262 Schwalbe, it was definitely not a copy, but only an influence of appearance. The project had structural curiosities that resulted from its purpose, for example, the suicide plane was a useless landing gear, takeoff was to take place on a ramp with the help of rocket engines and landing was no longer planned. On the contrary, passive protection of the pilot was taken into account and the fuel tanks were self-locking. It was possible to hang a bomb weighing 250 - 500 kg under the fuselage, when using a five-hundred-kilo bomb, a range of 200 km was considered sufficient - the return journey was no longer. Even before the completion of the first prototype (the one for breaking tests), the whole project was fundamentally changed, on the one hand, production of the first more powerful engines Ne-20 (built loosely according to BMW 003) and the Navy has recently shown interest in a fighter-bomber powered by these new engines. The Maru-Ten project was modified for this purpose, all simplifications characteristic of a suicide machine were removed, and the new revised project was renamed Kikka, but this is another aircraft.
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Použité prameny:
Tadeusz Januszewski a Kryzysztof Zalewski, Japońskie samoloty marynarski 1912-1945, díl 2., Lampart, rok 2000, ISBN 83-86776-00-05
L+K 24/1985 Monografie Nakajima Kikka, Jiří Hornát
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