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Yokosuka P1Y Ginga
Kawanishi P1Y2-2

 

yoko-p1y

 

Requiring a fast medium bomber for dive-bombing, low-altitude bombing or torpedo attack, the Imperial Japanese Navy instructed the Yokosuka First Naval Air Technical Arsenal in 1940 to begin design of such an aircraft. The resulting Yokosuka P1Y prototype flown in August 1943 was a mid-wing, all-metal monoplane, powered by two Nakajima NK9B Homare 11 radial engines. Its performance was satisfactory, but the P1Y suffered from maintenance problems that plagued its service life.
 
The entry into service of the P1Y1 Navy Bomber Ginga Model 11 was in 1943.
 
As the war neared its end, Japan required defensive fighters and steps were taken to produce a night fighter version of the Ginga.
 
The contract for this was awarded to Kawanishi, who’s P1Y2-S Kyokko (Aurora) utilised the less troublesome 1850 hp Kasei 25 engines, was fitted with an AI radar ad three 30mm cannon. Only 97 P1Y2-S were completed before VJ day, although a few P1Y1-S conversions from Nakajima-built bombers saw limited operational service.
 
 Yoko-P1Y-01
P1Y1-S
 
Production totalled 1098, built by Kawanishi (96) and Nakajima (1002), and if there had been adequate manpower to service these aircraft before each operational sortie they would have proved formidable adversaries. This was not possible and as a result the Ginga (Milky Way), allocated the Allied codename 'Francis', was tried unsuccessfully in a variety of alternative roles; its brief operational life of only six months was terminated by the end of the Pacific war.

 

P1Y1
Engines: 2 x Nakajima Homare-21, 1370kW
Max take-off weight: 10500 kg / 23149 lb
Empty weight: 7265 kg / 16017 lb
Wingspan: 20.0 m / 66 ft 7 in
Length: 15.0 m / 49 ft 3 in
Height: 4.3 m / 14 ft 1 in
Wing area: 55.0 sq.m / 592.01 sq ft
Max. speed: 550 km/h / 342 mph
Cruise speed: 380 km/h / 236 mph
Ceiling: 9400 m / 30850 ft
Range w/max.fuel: 4650 km / 2889 miles
Range w/max.payload: 1900 km / 1181 miles
Crew: 3
Armament: 2 x 20mm cannons
Bombload: 1000kg

P1Y1
Engines: 2 x Nakajima Homare-11, 1820 hp
Wingspan: 65 ft 7 in
Length: 49 ft 3 in
Height: 14 ft 1 in
Empty weight: 14748 lb
Loaded weight: 10500 kg / 23149 lb
Max speed: 345 mph at 19,260 ft
Service ceiling: 33,530 ft
Max range: 1600 mi
Armament: 1 x 20mm cannons / 1 x 13.2mm mg
Bombload: 1760 lb or 1 x 1875 lb torpedo (externally
Crew: 3
yoko-p1y-ld
Yokosuka P1Y Ginga



 

 


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