IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Bore and Stroke: 92.08 mm (3.625 in.) ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.

Bore and Stroke: 127 mm (5 in.) x 101.6 mm (4 in.) Once the largest independent manufacturer of automotive engines, Detroit’s Continental Motors Corporation purchased the rights to a single-sleeve ...

What’s the voodoo behind the horizontally opposed cylinder setup only found in Subarus and Porsches? And what sets them apart from inline engines?

Four-cylinder engines have been part of the automotive scene for over a century. Yet the quest for more power under the hood dominated most of the 20th century, giving rise to six- and eight-cylinder ...