ELI5: Explain Like I'm 5

Metadyne

Okay kiddo, have you ever seen a water slide at a playground or a water park? You know how the water gets pumped up to the top of the slide and then slides down through twists and turns until it reaches the bottom? Well, a metadyne device is kind of like a water slide, but for gases instead of water.

Let's imagine that we have two tanks of gas, and we want to use them to power something like a car or a motorcycle. The problem is that the gas is stored at really high pressure in the tanks, and it wouldn't be safe or efficient to use that pressure directly to power the vehicle. That's where the metadyne comes in!

The metadyne device sits between the gas tanks and the engine, and works to reduce the pressure of the gas before sending it to the engine. It works like this: the high-pressure gas from the tanks enters the metadyne through an inlet valve. Inside the metadyne, the gas flows through a series of chambers that get wider and wider, kind of like the twists and turns of a water slide. As the gas flows through these chambers, the pressure gradually decreases, until it's at a level safe and efficient enough to use in the engine.

So why use a metadyne instead of just releasing the high-pressure gas straight into the engine? Well, for one thing, it's safer. High-pressure gases can be dangerous and cause explosions, so using a device like the metadyne helps keep things under control. Additionally, the gradual decrease in pressure that the gas undergoes inside the metadyne helps to slow down the gas and keep it from scrambling important parts inside the engine.

So there you have it, little one - a metadyne is like a water slide for gases that helps reduce the pressure and make them safer to use in things like vehicles.