how can a tiny tug boat push/pull huge tankers and cruise ships?

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I get that plane tugs have huge tyres and tonnes of torque, but a boat? A tiny boat? 🤷‍♂️
Thanks

In: Physics

7 Answers

Anonymous 0 Comments

They have a lot of power stashed in that little package. Big cargo and cruise ships also have a lot of power, and might hit say 35 knots, while a tug boat has enough power to move them 8-10 knots. That’s perfectly okay, because we aren’t looking for speed when bringing a ship to port, we need agility and the ability to react a little less slowly, which tugs offer.

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