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Venus Flagship Mission Study
VDRM Balloons
VDRM Balloon Conceptual Design

  • Mass (CBE + Cont.): 162.5 kg; Payload mass: 22.5 kg
  • Design: Single string, redundancy through multiple elements
  • 7.1 m diameter He filled superpressure balloon
  • Teflon coated for sulfuric acid resistance
  • Vectran fabric plus Mylar film construction; metalized for low solar heating
  • Power: lithium-thionyl chloride (Li-SOCl2) primary batteries (10.5 kWh, 22 kg)
  • Telecom: S-band to Orbiter (backup to carrier flyby s/c); (plus short carrier signal to Earth for Doppler and VLBI data)
  • Functions: 30 days science operation at 55.5 km float altitude,


 
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