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Emma Maersk Main Engine

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Uploaded by on Jun 28, 2008

The biggest 2-stroke diesel engine in the world.

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Autos & Vehicles

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Uploader Comments (Orbit888)

  • how rpm's does that thing run at?

  • From about 25 to about 100 rpm. Max is 102 as far as I remenber.

Top Comments

  • These big ship diesel engines has a smaller waste of energy then smaller engines.

    The exhaust gas is beeing used to produce steam in the exhaust boilers. The steam can be used to run a steam generator. Or cago pumps, heating oil/water.

    To the one of the comment wrighters.!! THESE ENGINES HAS NO SPARKPLUGS!! Do your homework you swine.

    Peoples who dont have education in ship engine systems as an Marine Engineer , do not speak of something you dont have a clue on.

  • need one of these for my vespa!

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All Comments (114)

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  • It sounds like 1000 drums at a beat!

  • The sheer size of this engine means they could make it as complex as they want. This is not only the largest engine in the world, it could very well also be the world's most complex.

  • @vblogrsRLzrs

    And it also uses as much fuel on takeoff as this engine uses in an hour at full throttle.

  • @natetallman

    These engines are started and stopped quite often. Only when at sail do they run continuously. The engine is direct-reversing; it can be run in either direction just by reversing the direction of the starting motors.

  • Look at the size of those injection lines!

  • @joffeloff Thanks!

  • Do you have video of this thing starting up? Also, does it ever get shut down?

  • I'm glad to finally get a chance to see that engine. The 14 cyl has been an inspiration to us. Our R&D chief decided long ago that the electronic engine shouldn't be more than 12 cyl, so the operating panel software is actually the limiting factor. Within a couple years you will also see the MAN B&W 14 cylinder out on the high seas.

    That is impressive, but even still, I must say that the 12 cyl B&W is still more efficient (slightly) and cheaper to maintain.

    Hats off to you :)

  • @jorenvonk You must be thinking of moped engines. The cylinders on these engines are completely separated from the crank case. Since they are direct injection there is no waste of fuel or oil in the exhaust while scavenging. A two-stroke design such as this is much more efficient than a four-stroke and produces 1.8 times the power per RPM due to the lack of exhaust and intake strokes.

    Four-stroke engines are not more 'advanced'. Only for port injection petrol, which is yesterday's tech.

  • @bigjobbruce I think at 0:18 that is the cylinder oil lubrication adjustment. You can see the little balls bounce with each stroke, very cool!

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