Cleaver (propeller)

Okay kiddo, let's talk about cleavers!

Do you know what a propeller is? It's like a big fan that's attached to the back of a boat or a plane, and it spins really fast to push the boat or plane forward through the water or air.

Now, a cleaver is a special kind of propeller that's designed to go really fast and cut through the water with a lot of force. It looks a bit different than a regular propeller - instead of being rounded and curved, it has straight edges and a pointy tip, almost like a knife.

When a boat is going really fast, the water in front of it can start to pile up and create a wave, kind of like when you push a toy boat through a bathtub. This is called "hull lift", and it can actually slow the boat down by creating drag. But a cleaver propeller is designed to cut through that wave and reduce the amount of hull lift, allowing the boat to go even faster.

Cleavers are mostly used in high-speed boat racing, like for powerboat competitions or waterskiing. They can be dangerous if not used properly, so it's important to leave them to the experts!