Yokosuka Naval Air Arsenal YE2H (Ha 73 Model 01), W-18 Engine

Object Details

Physical Description: Type: Reciprocating, 18 cylinders, W-type, liquid cooled, supercharged; Power rating: 1,864 kW (2,500 hp) at Unknown rpm; Displacement: 47.5 L (2,898 cu in.); Bore and Stroke: 145 mm (5.71 in.) x 160 mm (6.30 in.); Weight: 1,196 kg (2,633 lb) Approximate
Summary: In 1934, the Japanese Navy began development of an 18-cylinder, 40 degree angle W-type engine known as the 671 kW (900 shp) Model 94. More powerful versions of this engine were later undertaken, including the YE2A which started development around 1937-38.; A derivative of the YE2A was this W-type engine known as Ken No. 3 (believed to be the YE2H, also Ha 73 Model 01) began its development around 1942, and construction is believed to have been finished about March 1944. The purpose of this design was to promote aircraft streamlining and thus speed. The intended airframe application is unknown, but the engine design is for a pusher installation. The engine was experimentally tested, but there is no record indicating that it was test flown.; None of the high power liquid-cooled engines under development by Japan reached operational status by war’s end, and, following the war, the focus of international engine development turned toward turbine engines.

Circa World War II

Materials: Steel, Aluminum, Copper, Magnesium, Rubber, Textile, Preservative coating
Dimensions: Height 114.3 cm (45 in.), Width 111.8 cm (44 in.), Depth 246.4 cm (97 in.)

National Air and Space Museum

GUID (Link to Original Record): http://n2t.net/ark:/65665/nv9e393e604-4cee-43bc-8d14-42103a6b4e79