©
1997 Joao Paulo Juliao Matsuura
Yokosuka P1Y Ginga (Milky Way)
Allied Code Name: "Frances"
(Scanned from René J. Francillion "Japanese Aircraft of the Pacific War" - Putnam - 1979)
UNITS ALLOCATED
522nd, 752nd, 761st, 762nd and Yokosuka Kokutais.
TECHNICAL DATA
Description: Twin-engined medium bomber (P1Y1/P1Y6), or night fighter (P1Y1-S and P1Y2-S). All-metal construction.
Accomodation: Crew of three in enclosed cockpits.
- Two Nakajima NK9B Homare 11 eighteen-cylinder air-cooled radials rated at 1,820 hp for take-off, 1,650 hp at 2,000 m and 1,440 hp at 5,700 m, driving three-blade propellers (prototypes and P1Y1).
- Two Nakajima NK9C Homare 12 eighteen-cylinder air-cooled radials rated at 1,825 hp for take-off, 1,670 hp at 2,400 m and 1,500 hp at 6,600 m, driving three-blade propellers (P1Y1a, P1Y1b, P1Y1c and P1Y1-S).
- Two Mitsubishi MK4T-A Kasei 25a fourteen-cylinder air-cooled radials rated at 1,850 hp for take-off, 1,680 hp at 2,600 m and 1,540 hp at 5,500 m, driving three-blade metal propellers (P1Y2 and P1Y2-S).
- Two Nakajima NK9H Homare 21 eighteen-cylinder air-cooled radials rated at 1,990 hp for take-off, 1,850 hp at 1,750 m and 1,625 hp at 6,100 m, driving three-blade propellers (P1Y3).
- Two Nakajima NK9H-S Homare 23 eighteen-cylinder air-cooled radials rated at 2,000 hp for take-off and 1,570 hp at 6,850 m, driving three-blade propellers (P1Y4).
- Two Mitsubishi MK4T-C Kasei 25c fourteen-cylinder air-cooled radials rated at 1,825 hp, driving three-blade propellers (P1Y6).
- Two Mitsubishi [Ha-43] 11 (MK9A) eighteen-cylinder air-cooled radials rated at 2,200 hp for take-off, 2,070 hp at 1,000 m and 1,800 hp at 6,000 m, driving four-blade propellers (P1Y5).
- One flexible 7.7 mm Type 92 machine-gun in the nose and one flexible rear-firing 20 mm Type 99 cannon (15-Shi prototypes).
- One flexible 20 mm Type 99 cannon in the nose and one flexible rear-firing 20 mm Type 99 cannon (P1Y1 and P1Y2).
- One flexible 20 mm Type 99 cannon in the nose and one flexible rear-firing 13 mm Type 2 machine-gun (P1Y1a and P1Y2a).
- One flexible 20 mm Type 99 cannon in the nose and twin 13 mm Type 2 machine-guns in a dorsal turet (P1Y1b and P1Y2b).
- One flexible 13 mm Type 2 machine-gun in the nose and twin 13 mm Type 2 machine-guns in a dorsal turet (P1Y1c, P1Y2c and P1Y3).
- One flexible rear-firing 13 mm Type 2 machine-gun and four oblique-firing 20 mm Type 99 cannon, two forward and two behind the cockpit (P1Y1-S).
- One flexible rear-firing 20 mm Type 99 cannon and two oblique-firing 20 mm Type 99 cannon (P1Y2-S).
- One flexible rear-firing 13 mm Type 2 machine-gun and ten forward-firing 20 mm Type 99 cannon (experimental installation on P1Y1).
- Bomb-load: one 800 kg torpedo or up to 1,000 kg of bombs (P1Y1 and P1Y2).
- 1,600 kg of bombs (P1Y3).
