Balloon hovercraft diagram. As the balloon contracts air is pushed through the holes you punched in the bottle cap. Topics forces and motion activity type make take language english print. This is a full size4ftx8ft one person hovercraft built over one summer for less than it was built with no prior experience or knowledge of hovercrafts butbigger hovercraft like the us military lcacs typically use several very hefty engines such as powerful gas turbines. Place the hovercraft racer on a smooth flat surface and release the neck of the balloon allowing air to escape.
At first sight you might think a hovercraft works in much the same way as a helicopter. With just a few simple odds and ends from around the house you can make your very own hovercraft. Tap the side of the hovercraft racer and see how it glides over the surface. This image on the left shows a modern style hovercraft which carries passengers over the surface of the water while the diagram on the left shows how the air vents moving through the hovercraft create the air cushion below the craft for movement using the following labels.
1 propellers 2 air currents 3 fan and 4 flexible skirt. How does a hovercraft work. See figure 4 to gather comparison data on the different hovercraft versions set up a starting line and collect measurements of distance and time traveled. Use a diagram illustrating the microscopic view of the surfaces to generate a model for friction in this activity.
Details activity length 30 mins. Because of the shape smoothness and weight distribution of the rig the escaping air creates. Design a toy hovercraft. This creates an opposite force upwards.
Hovercrafts use air to lift a vehicle off of a surface but there has to be a lot of it moving very fast straight down. The cd hovercraft is no exception. It throws air down underneath itself and then simply rides along on topbut where a helicopter balances its own weight the force of gravity pulling it down with a massive down draft of air pushing it back up again a hovercraft works in a much more subtle way that allows it. Then theres the hull.
Now adjust the balloon so that it stands up straight and centered. This is one of the 48 projects for our instructables. Made in your mind imiym exhibition at the childrens museum of houston showing from may 26 2012 november 4 2012. A hovercraft generates a cushion of air that prevents the solid surface of the hovercraft from making contact with the ground surface thereby reducing friction.
Diagrams of the ap hovercraft ap side general arrangement hoverwork diagrams of the ap. Produced in partnership with instructables imiy. This air escapes out from under the cd in all directions. Stretch the mouth of the balloon over the bottle cap you may need an assistant to help you do this so that you dont lose any air from the balloon.