|
|
|
|
|
|
|
 |
Home | Basket and experiments |
|
The basket To build the basket, we respected the rules given by the CNES concerning the sounding balloons. That is to say : - Not pointed object outside the basket ; - Maximum mass : 2,5 kg ; - Maximum areal density : 18 g/cm˛ ; To build the basket we used 2 centimetre thick extruded polystyrene because it is a good insulating material which will unable the measuring instruments and batteries to work properly. Besides it is particularly light. To seam the various part of the basket, we used a contact glue. At first, we painted the basket in white. Secondly, Mr Talon Jean Philippe decorated it.
|
Etienne is building the cover
|
|
Axel is painting the basket |
|
Cover |
|
|
Face 1 |
Face 2 |
|
Face 3 |
Face 4 |
|
The sensors Several sensors are installed in the basket to measure the pressure, the inside and ambient temperature, the lighting. These results are sent to the ground by radio. CNES (French Government Space Agency) lend us a transmitter named KIWI thanks to the Plančte-Sciences Sarthe Association. As this transmitter can only send voltage data, we had to calibrate our sensors in order to link one measure to a specific voltage ! Pictures of the flight
|
|
|
|
|
