Usa & Canada Cruises

WHY DON'T CRUISE SHIPS TIP OVER? | An introduction to ship stability





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What keeps ships from toppling over? I explain how Cruise ships stay upright and what can cause them to lean over.

This video introduces the concept of the centre of gravity and the centre of buoyancy with reference to ships. I show how they work together to keep ships from falling over.

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34 comments

  1. I am a retired UK Class 1 Master Mariner and I like this video. It's not meant for mariners as a teaching aid. It's meant for ordinary people and it uses non specialist language. Great stuff and I am going to recommend it to my MSc Maritime Studies class in Singapore. Some of them are mariners. Most of them are not and this video will be ideal learning for them. Well done sir!!

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  2. not take into consideration the M (metacenter) ???

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  3. Excellent explanation πŸ‘πŸ‘

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  4. 10kg = at least a 10 Β° list on every cruise ship, common knowledge haha

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  5. I always thought it was the weight of all the slave labor packed away in steerage.

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  6. Just wait until a super wave broad sides one and let’s see it stay upright.
    It’s going to happen eventually, likely Liberal incompetents is going to lead up to some stupid decisions that’s going to lead up to it.
    Who knows when this will happen, but with all the Liberals incompetents everywhere now, it’s only a matter of time.

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  7. Yeah that, and the fact that cruise ships are made for leisure cruises that are mostly taken in clear weather, if the weather is too rough the cruise is rescheduled or deleted

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  8. In easy words: The lower part of the ship is heavier than its upper part.

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  9. Actually ships lay on their side when they sleep

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  10. Informative! Thanks for making this video explaining how it works.

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  11. Hi, great explanation. Thanks.

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  12. Great content as always

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  13. Who still didn't understand?

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  14. poseidon: no

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  15. Posieden
    Andrea Doria

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  16. I love that you shifted the centre of buonancy with a 10 lb wait

    πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ€ͺπŸ€ͺπŸ€ͺπŸ€ͺπŸ€ͺπŸ€ͺ🚫🧒

    So impossible to happen to wow it's so FUNNIE πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺπŸ˜‚πŸ€ͺ

    Liek if u agre

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  17. This didn't explain how buoyancy is created to resist weight. How is that controlled on the ship.

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  18. What about containerships though? Those are not just empty spaces and seem to have a lot more weight above the water than under the water

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  19. Really fat passengers are berthed on the lowest decks, near the ballast. Do I have to do all the work for these videos?!

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  20. Good explanation, though I would've added a small section with the same type of drawings showing why ships capsize to really tie it all together.

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  21. 1000th comment!

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  22. Yeet

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  23. in short, the box shape it is.

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  24. There is no reason I should be addicted to your vidios and yet hear I am

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  25. Water-Prooph Unt Tuff

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  26. Poseidon vibes lol

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  27. I learned that I still don’t know the ship stays upright.
    Thanks

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  28. Coming from a pilot perspective, I'm making comparisons to weight and balance computations for airplanes. (Center of gravity and center of lift in that example.) I'm enough of a nerd that I want to see what weight and balance calculations for ships look like. I'm curious how similar or unique those processes are.

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  29. I wake ip with a buoyancy every morning

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  30. You point is concise, well explained and nicely illustrated. Thanks for sharing!

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  31. C O S T A C O N C O R D I A

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  32. Short answer: engineers are smart.

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  33. This is lesson 1 in series of buoyancy, right? We know there are more. Say, for example, if that's the situation, all container cargo ship should stalk their containers in pyramid shape, but in reality they don't. They stalk it rectangle shape 8~10 storeys high. So we know there are more in this issue of calculating center of gravity.

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  34. Is their a point of no return?

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