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Bicycle magnetic headlight

Bulding a bicycle electricity generator helps to understand how it is possible to produce electricity from a magnet, a copper wire coil and a movement. This technique found in traditional bicycle dynamos is also used in electric power stations. Unfortunately less bicycles are equiped with ... »
bicycle, generator, magnet, wire, coil
Note
Difficulté
Durée3h 0 min.
Date24.05.2013
Langue(s)

Crank flashlight

Building this torch (flashlight) helps to understand how it is possible to transform mechanical energy into electricity. This type of transformation is achieved in most of our power plants. This DIYs project reveals all the components of an electric generator. By using a small electric motor ... »
torch, flashlight, transform, generator, motor
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)

Chemical battery

Making a battery helps to understand how a chemical reaction can produce electricity. It shows also that in a battery there is no real stock of electricity, but the chemical products needed to generate some. It is important to understand how batteries work as they are more and more used in our daily ... »
batteries, pads, polluting, kilowatt-hour, mains
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)

Steam engine

The construction of a small steam engine helps to understand how this technology can tranform heat into a mouvement.   If some water is heated in a closed container and evaporates, a pressure is created inside. This pressure is due to the increase of water volume during its transformation into ... »
steam, heated, container, evaporates, turbine
Note
Difficulté
Durée2h 30 min.
Date14.05.2013
Langue(s)

Solar electric motor

This project helps to understand how an electric motor works (how it is possible to create a movement with electricity). Many electrical appliances use this technique  (mixer, cd player, hair dryer, etc.). By generating electricity from the Sun, this DIY shows that there are alternative energy ... »
motor, appliances, dryer, generating, renewable
Note
Difficulté
Durée3h 0 min.
Date13.05.2013
Langue(s)
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