Yokosuka D3Y
The Yokosuka Myojo (ビーナス, "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 from nearly entirely of wood in an attempt to sustain valuable resources. Upon Japan's surrender, the project came to a halt with only a few aircraft delivered.
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 was replaced by straight tapered alternatives, while the fuselage was lengthened to improve stability.[1] Two prototypes were built during 1944, 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, designated the Navy Type 99 Bomber Trainer Myojo Model 22.[2]
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 signifiacant changes to allow production in wood. Two prototypes and three production aircraft built.
- D3Y2-K Myojo
- Single-seat special attack version of the D3Y1, powered by a 1,560 hp (1,160 kW) Mitsubishi Kinsei 62, with a maximum speed of 470 km/h (292 mph). The armament consisted of two 20mm (0.80 in) Type 99 MK1 cannon in the engine cowling, and was to be equipped with a single 800 kg (1,800 lb) bomb.[3] The undercarriage would be jettisoned on take off since the aircraft was not expected to return. The prototype had begun construction but was incomplete by the time the war ended. [4]
- D5Y1 Myojo Kai (Navy Special Attacker Myojo Kai)
- Production designation given to the D3Y2-K.
Operators
Japan
Specifications (D3Y1-K)
General characteristics
Performance
Armament
See also
- Related lists
References
- Notes
- ↑ Francillon 1979, p. 469.
- ↑ Francillon 1979, pp. 469–470.
- ↑ O'Neill, Richard (1981). Suicide Squads: Axis and Allied Special Attack Weapons of World War II: their Development and and their Missions. London: Salamander Books. p. 296. ISBN 0 861 01098 1.
- ↑ Francillon 1979, pp. 470–471.
- ↑ Climb to 6,000 m (19,700 ft): 13 min 23 s
- Bibliography
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