Bore and Stroke: 140 mm (5.51 in.) x 130 mm (5.12 in.) During World War II, the Mitsubishi Army Type 1, Ha 31 Model 21 (Ha 102) powered the Mitsubishi Ki-46-II/II KAI, Army Type 100 command ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Power rating: 1,641 kW (2,200 hp) at ...

If you look at aircraft from the Second World War or earlier, you'll notice that many of them have engines with large frontal areas and cylinders arranged about the propeller crankshaft. This a radial ...

The 20th century was the age of the internal combustion engine. The fruits of industrial progress produced power plants tasked with everything from running generators to powering warplanes. The First ...

When learning about the design of a machine or mechanism, reading and watching videos is certainly effective, but it’s hard to beat hands-on experimentation. In the video after the break, [Brick ...

CANTON Over the past 15 years C. Mitchell Boulton has been working to make something old new again. Doing what he described as a retirement hobby, Boulton began reverse engineering a radial aircraft ...

Honda might be looking back to early aeronautics in its latest bid to make variable compression engines simpler and sturdier. The engine is designed to take advantage of the simple crank design of ...