Réalisation - Lighthouse
Etape 1
Make two holes in a film can near its opening.
Press two straw pieces as bush bearings.
Etape 2
This is a view from the top with the two straws push through the holes of the film can.
Etape 3
Take a piece of rubber and stick two neodymium magnets in between.
Etape 4
Poke a piece of bicycle spoke in the rubber as the axle or the shaf.
Etape 5
And now weave the two bicycle spokes in the two bearings.
Etape 6
One hole in the film can is split.
This helps to put the axle in place.
Etape 7
Wind 800 turns of thin enamelled (insulated) copper wire (36 gauge) aroung the film can.
Etape 8
Scrape the copper wire ends with sand paper and connect them to a LED.
Etape 9
When rotating the spoke, the LED should light up.
Etape 10
Fold a strip of stiff card to create a turbine.
Etape 11
This is the turbine finished
Etape 12
Attach the turbine to the end of the bicycle spoke.
Etape 13
Using two sticks, fix and glue the generator to a bottle cap with a hole.
Etape 14
Screw the cap on a plastic bottle with the bottom part cut off.
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