Purpose of the flight and payload description
The Aeroclipper device is a balloon vertically stabilized by a guide rope aimed to perform flights of up to 30 days in the surface layer (under 50 m) over remote ocean regions. The system is a cooperative design between CNRS and CNES.
The image at left shows the first generation of the system used since the inception of the program until 2006. The tetrahedral balloon measuring 6 to 7 meters on its edge was chosen because it had a stronger drag coefficient (better wind resistance and therefore a better "Lagrangian" trajectory) compared with an equal volume spherical balloon.
In addition, these tetrahedral balloons were inexpensive and much easier to build.
In the guide rope was attached an atmospheric gondola that contains instruments for measuring meteorological parameters (pressure, temperature, relative humidity, relative wind speed) and in the water surface, an oceanic gondola contains instruments for measurements of the sea surface temperature, salinity and the speed with respect to water. A GPS position of the Aeroclipper is collected every minute and atmospheric measurements are performed every 10 seconds and averaged over 1 minute.
The data obtained along with the position was relayed to the ground control station mainly using the Argos satellital communication platform. On later flights also was included an Iridium communication device.
Details of the balloon flight
Balloon launched on: 1/26/2006 at 2:45
Launch site: Seychelles International Airport, Mahe
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Aeroclipper
End of flight (L for landing time, W for last contact, otherwise termination time): 1/28/2006 at 16:15
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 2 d
Landing site: --- No Data ---
- L'Aéroclipper, J.P. Duvel Home page of Jean-Philippe Duvel at the Laboratoire de Météorologie Dynamique
- Premiers essais de l'Aéroclipper Met Mar, 202, 3-5
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