Air pressure does not come into play with most model rockets.
it pushes the rocket into the air to make it go higher.
A popular rocket toy name is the "Stomp Rocket." It is a toy rocket launcher that uses air pressure to propel foam rockets into the air when stomped on.
The duration a water rocket stays in the air can vary based on the pressure level in the rocket, the design of the rocket, and external factors such as wind speed. On average, a water rocket can stay in the air for around 5 to 20 seconds.
A bottle rocket flies due to the rapid release of pressurized air from inside the bottle. When water and air pressure build up inside the bottle and are released through the nozzle, the resulting thrust propels the bottle rocket into the air.
1:2
The rocket might explode from the added pressure when the combustion reaction hits the air.
300-600
The amount of exposed surface area of the fuel
The pressure in a water rocket can range from 30 psi to over 100 psi, depending on the design and materials used. This pressure builds up inside the rocket as air is pumped into the chamber before launch.
the pressure in side the balloon will get squizz out and make the air move
It's a government conspiracy
Typically, water rockets are launched with air pressure between 40-60 psi. This pressure is enough to push the water out of the rocket, creating thrust that propels it into the air. The actual pressure needed can vary depending on the size and design of the rocket.