How do some sailing ships go faster than others?

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Recently I was thinking about how in the first Pirates of the Caribbean movie The Black Pearl was claimed to be the fastest ship ever and the HMS Intercepter was the fastest ship in the royal navy, and in one scene The Black Pearl is easily catching up to the Interceptor. I understand that these are fictional vessels, but I still didn’t understand how one could be considerably faster than the other, when I can’t really tell the difference between the two designs(to the untrained eye, you wouldn’t be able to tell which one is faster by looking at it.) How is one ship so much faster than another ship that appears to be designed very similarly?
(Edit: thanks, i have a bit better understanding of what can cause this, thank you to everyone who has commented, although feel free to elaborate or provide additional explanations if you wish!)

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10 Answers

Anonymous 0 Comments

a lot of people already gave some good answers but i’ll try to ELI5 it more.

Let’s say you have one kind of engine. doesn’t matter what it is but you can throw it in multiple vehicles.

You throw it in a normal sized sedan and it can go 60mph easily. You throw it in to a motorhome and it can’t go faster than 30 mph.

Some ships are just larger and full of more stuff. Usually thicker wood for defense, more cannons for attack, and more men for those cannons and for fighting, and more food and supplies for those men and cannons.

It is almost like the rocket equation problem. each cannon is heavy, then each cannon needs dudes that need food… and it also needs ammunition and gunpowder.

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