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Savonius wind turbine

This projects helps to understand how a wind generator works and more generally how it is possible to transform mecanical energy into electricity. This principle can be found in many devices that we use every day (bicycle dynamo, car alternator, etc.) and is the way we produce most of our ... »
generator, transform, bicycle, dynamo, alternator
Note
Difficulté
Durée3h 30 min.
Date14.05.2013
Langue(s)

Vegetable oil stirling engine

Building a vegetable oil stirling engine helps to demonstrate different scientific properties: Expansion and condensation of the air under the influence heat Principle of operation of a piston Conversion of thermal energy into motion Use of a bio-fuel This DIYs shows a simple prototype of ... »
stirling, condensation, piston, prototype, steam
Note
Difficulté
Durée3h 0 min.
Date06.05.2013
Langue(s)

Pet-Star water rocket car

The Pet Star water rocket car is an environmental friendly vehicle.   A Pet bottle is used to stock air and water. The air is pressurised with a bicycle pump . The water is expelled because of this great pressure and pushes the car forward (action<>reaction principle).   This DIYs project helps to ... »
rocket, pressurised, bicycle, pump, pushes
Note
Difficulté
Durée10h 0 min.
Date06.05.2013
Langue(s)

Water rocket

This water rocket DIYs project shows how you can stock energy and illustrates the action-reaction principle.   With the help of a bicycle pump, air is compressed in a tank (bottle) containing some water. By releasing the air, the water is expelled and the rocket is launched high in the air. To ... »
rocket, illustrates, bicycle, pump, compressed
Note
Difficulté
Durée3h 0 min.
Date03.05.2013
Langue(s)
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