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Crank flashlight

Note (?)
Difficulté (?)
Durée (?)3h 0 min.
Date16.05.2013
AuteurMartin
Traducteurlili
Coût (?)~12 CHF
Languefrançais deutsch english
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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 the "other way round", it shows the difference between an electric motor and a dynamo

This DIYs project offers works without the use of batteries that are costly and polluting. It also operates with an ultra bright LED bulb that is very energy efficient and has a lifetime of 100'000 hours!

06.07.2012 : Martin
Quelques reflets des passeports vacances de Morges où les enfants ont constuit la lampe de poche à manivelle.   Source : http://www.pv-morges.ch/photos/index.php?rep=Photos%202002&page=3     Lire la suite
05.07.2012 : gdelac
En 2012 à Lutry, des élèves de 8e année ont réalisé le bricolage de lampe de poche à manivelle avec le soutien d'Info-Energie (Service de l'énergie du canton de Vaud).   Ils ont créé un panneau d'information pour illustrer leur bricolage lors d'une exposition organisée à l'attention des ...Lire la suite

Matériel

Outils

Réalisation


Make 3 small M3 holes at 3.5 cm from the bottom of the bottle (see illustration).   ...
Cut out the back of the bottle using a saw or a pair of scissors.   Leave a small pa ...
Unfold the two flaps of the electric motor with a screwdriver.   Gently remove the m ...
Pass from inside two M2x20 bolts through the 2 holes of the motor cover.   On the o ...
Make two small holes with a punch in the cap of the bottle.   Pass the two legs of t ...
Fix the engine in the bottle by passing the 2 screws and the axis through the 3 small holes. ...
Cut two discs in the cardboard following the model and reporting the inner circle (wher the wo ...
Pass the large M6x80 bolt through the M8 hole of the bottle. On the other side (motor side) pa ...
Make a small hole on the opposite side of the motor. Push inside a nail and fix it in the near ...
With a box cutter, extract the metal part from a 4mm electrical connector.   Screw a ...
Screw back the cap of the bottle and close the bottom slot with insulating tape.   C ...

Fonctionnement

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