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Napier Deltic facts for kids

Kids Encyclopedia Facts
Napier deltic animation large
Animation of a Deltic engine

The Napier Deltic is an unusual type of diesel engine. It was used in boats and railway locomotives. The cylinders are arranged in a triangular form with two pistons in each cylinder. There are three crankshafts which are geared together at one end of the engine. These engines usually had nine cylinders (three banks of three) or eighteen cylinders (six banks of three). These engines were built by D. Napier & Son.

Key to animation

  • Green = incoming air
  • Orange = burning fuel/air mixture
  • Purple = outgoing exhaust gas

Images for kids

  • Napier Deltic Animation

    Animated diagram of Deltic engine

  • Deltic 18 firing order

    Cylinder firing order of the 18 cylinder Napier Deltic diesel engine: The grid represents triangular cylinder arrangement (banks A, B, C) and rows 1 to 6

  • HMS Ledbury (M30) - Portsmouth 2007 - BB

    The Deltic-powered Hunt-class mine countermeasures vessel HMS Ledbury

  • Napier Deltic, Alycidon

    Napier Deltic powered British Rail Class 55 D9009 Alycidon, at the National Railway Museum, York, UK

  • Napier Deltic Engine

    Napier Deltic engine at the National Railway Museum, York, UK

See also

Kids robot.svg In Spanish: Napier Deltic para niños

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