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The Yokosuka D3Y Myojo (明星, "Venus") was a Japanese two-seat dive bomber/trainer designed and built by the Yokosuka Naval Air Technical Arsenal. Derived from the Aichi D3A, it was made nearly entirely of wood in an attempt to conserve valuable resources. Upon Japan's surrender, the project came to a halt with only a few aircraft delivered as the Navy Type 99 Bomber Trainer Myojo Model 22.

D3Y Myojo
Role Trainer
Dive bomber
Manufacturer Yokosuka
First flight 1945
Status Cancelled
Primary user IJN Navy Air Service (Intended)
Produced 1945
Number built 2 Prototypes
3 Production
Developed from Aichi D3A

Design and development


The D3Y was a two-seat bomber trainer constructed of wood, so as not to use more valuable materials. It was based on the successful Aichi D3A with design starting in late 1942. Like the D3A, it was a two-seat low-winged monoplane with a fixed tailwheel undercarriage. To allow construction by unskilled workers, the elliptical wing and rounded tail of the D3A were replaced by straight tapered alternatives, while the fuselage was lengthened to improve stability.[1] Two prototypes were built during 1944, but these proved heavier than expected. Three production aircraft, which were redesigned to save weight, were completed for the Imperial Japanese Navy Air Service before the end of the war, and designated the Navy Type 99 Bomber Trainer Myojo Model 22.[1]


Variants


D3Y1-K Myojo (Navy Type 99 Bomber Trainer Myojo Model 22)
A two seat wooden dive-bomber trainer. Powered by a 1,300 hp (970 kW) Mitsubishi Kinsei 54 radial engine, based on the Aichi D3A2-K, with significant changes to allow production in wood. Two prototypes and three production aircraft built.[1]
D3Y2-K Myojo
Single-seat special attack version (Kamikaze) of the D3Y1. The undercarriage would be jettisoned on take off since the aircraft was not expected to return. The prototype had begun construction, but was still incomplete, when the war ended.[1]
D5Y1 Myojo Kai (Navy Special Attacker Myojo Kai)
Production designation given to the D3Y2-K.

Operators


 Japan

Specifications (D3Y2-K)


Data from Japanese Aircraft of the Pacific War[1]

General characteristics

1,000 kW (1,340 hp) at 2,100 m (6,900 ft)
890 kW (1,190 hp) at 5,800 m (19,000 ft)

Performance

Armament


See also


Related lists


References


  1. Francillon, Rene (1979). Japanese Aircraft of the Pacific War. London: Putnam & Company Limited. pp. 469–471. ISBN 0-370-30251-6.

Further reading



На других языках


- [en] Yokosuka D3Y

[it] Yokosuka D3Y

Lo Yokosuka Myojo (ビーナス "Venere"?) fu un aereo da addestramento al bombardamento in picchiata monomotore monoplano ad ala bassa sviluppato dall'ufficio di progettazione giapponese Kūgishō, il Primo arsenale tecnico aeronavale di Yokosuka[N 1], negli anni quaranta.



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