La plate-forme collaborative de bricolages scientifiques et pédagogiques

Pocket Sundial

This project is a very easy way to create a small pocket sundial.

 

It helps to visualise the movement of the earth around the Sun and to understand how sundials work.

 

This little sundial is a nice addition to other projects regarding solar energy.


Difficulté
Très facile
Durée
1h
Note
3/5
Prix
~ 5 CHF
Témoignages
0

Matériel
Outils
Chablons&Plans
Réalisation
Smoothen the edges of the two wooden boards with sandpaper. Print and cut out with a pair of scissors the two diagrams from the downloadable model (section ... Position the two boards one against each other as shown in the picture and stick them together by creating a hinge with ...With the help of a drill (3 mm bit ), make a hole in the larger board where all the lines meet on the drawing. Close the boards against each other and make a hole in the second board exactly at the same place than the first hole. Cut a piece of string of about 20 centimeters   Tie a knot at one end and pass the string through the two holes   Then tie a ... Using the glue gun, paste the small compass on the circle drawn on the larger board.   Check if the compass is ...
Fonctionnement
Liens&Références
Date24.04.2013
AuteurEmmanuelle
Organismeinfo-energie
TraducteurMartin
FinalitéObserver (moyen ou instrument de mesure)
DomaineEnergie
Astronomie, météorologie, géographie
Langue(s)français deutsch english
License