Stratospheric Balloons

Exploration & Science

HAPS

Equipment for CNES stratospheric balloons (more than 20 successful flights)

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Stratospheric Balloons

explorations-et-sciences

- HAPS

Image Stratospheric Balloons
Image espace

CNES’s Balloons activity consists of designing and operating aerostatic vehicles to carry scientific instruments.

As part of the modernization of the flight chain, COMAT was asked to study, design, manufacture and then qualify equipment composing the flight chain of BSO balloons :

  • NSO Lay Bin (Operational Servitude Nacelle)
    • Lest tray structure
    • Ballast shedding valve
    • Force sensor (measurement of the mass of the light bin in real time)
  • Valve (load shedding valve)
  • Fittings (interface accessories of the various components of the flight chain)

Key
Features

T° Range

-110/+50°C

Flush Section

590 (or 1190) cm²

Actuation Time

< 12 s

Pressure

1 → 1050 hPa

Safety

Fail-safe

Gas He or H

OK

Mass

9,8 (or 12) kg

Leak Rate

Conforms to CNES spec

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