|Primary user||IJN Navy Air Service (Intended)|
|Number built||2 Prototypes
|Developed from||Aichi D3A|
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 due to shortage of materials. Only five aircraft were built.
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. 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.
- Two seat wooden dive-bomber trainer. Powered by 1,300 hp (970 kW) Mitsubishi Kinsei 54 radial engine.
- Single seat suicide attack derivative of D3Y1 with jettisonable undercarriage, two 20 mm cannon in engine cowling and one 800 kg (1,760 lb) bomb. Later redesignated D5Y1 Myojo Kai. Prototype not complete.
- Crew: Two (pilot and gunner)
- Length: 11.215 m (36 ft 9½ in)
- Wingspan: 14.00 m (45 ft 11⅛ in)
- Height: 4.185 m (13 ft 8¾ in)
- Wing area: 32.8 m² (353 ft2²)
- Empty weight: 3,200 kg (7,055 lb)
- Max. takeoff weight: 3,650 kg (8,047 lb)
- Powerplant: 1 × Mitsubishi Kinsei 44, 798 kW (1,070 hp)
- 2 × fixed, forward-firing 20 mm Type 99-1 cannon in Engine Cowling.
- 1 × flexible, rearward-firing 7.7 mm (0.303 in) Type 92 machine gun
- 1 × 800kg (1764 lb) for Kamikaze Operations
- Related lists
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