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BookmarkA propellant is a material that is used to move an object by applying a motive force.
See also:
This may or may not involve a chemical reaction.
It may be a gas, liquid, plasma, or, before the chemical reaction, a solid.
Common chemical propellants consist of a fuel, like gasoline, jet fuel and rocket fuel, and an oxidizer.
In aerosol spray cans, the propellant is simply a pressurized vapour in equilibrium with its liquid.
As some gas escapes to expel the payload, more liquid evaporates, maintaining an even pressure..
For more information about the topic Propellant, read the full article at Wikipedia.org, or see the following related articles:
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Model rocket — Model rocketry is a hobby similar to building model airplanes. In the hobby today, there are two distinct areas of rocket activity: amateur (or ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Propellant at Wikipedia.org. See the Wikipedia copyright page for more details.
