Artillery continue to shell Chungking, but other than that it is quiet today.
The last of the three new planes we received in January, the Ki-46-III.
Despite the excellence of the design, the Koku Hombu wanted to make sure they kept the Ki-46's technical edge, and in May 1942 the Army asked Mitsubishi to produce yet another upgrade of the type, to be designated the "Ki-46-III". The new variant was to have a top speed of 650 KPH (404 MPH), endurance increased by one hour to seven hours, and stronger main landing gear. The first of two prototypes flew in December 1942.
The Ki-46-III was powered by Ha-112-II engines with direct fuel injection, each providing 930 kW (1,250 HP) at altitude, giving the type with a top speed of 630 KPH (391 MPH) at 5,280 meters (19,000 feet). The engine cowlings had to be slightly redesigned to accommodate the new powerplants. The fuel tank arrangement was also redesigned. A fuel tank with a capacity of of 1,895 liters (505 US gallons) was added in the nose, and a ventral drop tank providing 460 liters (122 US gallons) was added as well. The rear machine gun, never a particularly effective means of defense, was deleted. It had often been removed from Ki-46-IIs in the field anyway.
The pilot's canopy was completely changed, forming a simple curved surface all the way to the nose and giving the Ki-46-III a very unique and elegant appearance. Unfortunately, difficulties in producing the Ha-112-II engines limited Ki-46-III production, and Mitsubishi continued to roll out the Ki-46-II in parallel.
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Ki-46-III Dinah[/center]














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