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Mechanical systems working videos on Instagram: "The Napier Deltic engine (1947) is a powerful, triangular-shaped opposed-piston, two-stroke diesel engine with three crankshafts. Each cylinder has two pistons moving toward each other — no cylinder heads or valves. Air is compressed between pistons, fuel ignites, and the explosion pushes pistons apart. It delivers high power in a compact size, perfect for naval boats and trains."
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