Lesson plan
Flat-eight engine
A flat-eight engine (also known as a horizontally-opposed eight) is an eight-cylinder piston engine with two banks of four inline cylinders, one on each side of a central crankshaft, 180° apart. In a flat-eight engine, the connecting rods for corresponding pistons from the left and right banks may share a crankshaft journal. A boxer-eight engine is a special case of a flat-eight where each piston's connecting rod has its own journal, and each pair of opposed pistons moves inwards or outwards at the same time. Flat-eight engines have been used in automotive, motorcycle, aircraft, and marine applications.
Article summary
A flat-eight engine (also known as a horizontally-opposed eight) is an eight-cylinder piston engine with two banks of four inline cylinders, one on each side of a central crankshaft, 180° apart. In a flat-eight engine, the connecting rods for corresponding pistons from the left and right banks may share a crankshaft journal. A boxer-eight engine is a special case of a flat-eight where each piston's connecting rod has its own journal, and each pair of opposed pistons moves inwards or outwards at the same time. Flat-eight engines have been used in automotive, motorcycle, aircraft, and marine applications.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.