How does a jet drive function?

A jet drive functions by drawing water from the front of the vessel and expelling it forcefully out the back, creating thrust that propels the boat forward. This design is efficient for high-speed travel in shallow water, as it allows water to be taken in and expelled without the need for a protruding propeller that could strike the bottom.

In contrast to options that mention sails or tides, which pertain to alternative methods of propulsion, a jet drive specifically relies on the mechanics of jet propulsion—much like how a jet engine works in aviation. The design eliminates the risks associated with traditional propeller systems, such as damage from obstacles under the water's surface, and provides better maneuverability.