If you've ever taken a closer look at small planes or seen one being maintained, you might have spotted something interesting under the hood. The engine layout is often wide and flat, and not stacked ...

Automotive engines in small, single-prop aircraft aren't anything new. Aviation enthusiast and small aircraft owners have been swapping LS V8s into planes for years. Some of them are DIY projects, ...

The horizontally opposed engine was created in 1897, and Subaru is one of only a few automakers to rely almost entirely on its layout. Unlike more traditional engines, which align their pistons in a V ...

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.

Click to open image viewer. Power rating: 29.8 kW (40 hp) at 2,575 rpm Displacement: 1.9 L (115 cu in.) Bore and Stroke: 79 mm (3.1 in.) x 95 mm (3.8 in.) Once the largest independent manufacturer of ...