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Topic for open discussion:     PMS (pressure maintenance systems)
  Maintaining Pressure in Inflatables 
  • Kite hang gliders having inflatable beams invite pressure maintenance systems; pressure changes from gas losses and from changes of flight altitudes.
  • Kited wings having inflatable members invite PMS.
  • Kited LTA wings invite :PMS.
  • AWES that employ inflated members invite PMS. 
  • Pressure Maintenance of High-Altitude Inflatable Kite Systems
    Kathleen M. McNamara, William Carroll, Taro Tsukada, Ben Loh and Jamey D. Jacob
    AIAA 2020-2933
    Session: Innovative and Conceptual Designs in Aviation
    Published Online:8 Jun 2020  https://doi.org/10.2514/6.2020-2933
    [paywall]
  • Inflatoplane, Goodyear Aircraft Corporation (GAC)   wiki/Goodyear_Inflatoplane   "An engine-driven air compressor maintained the low air pressure needed to keep the airplane inflated and rigid even if pierced by several . 30 cal. bullets. ... A larger engine was adopted giving the newest model, the GA-468, more takeoff power."
    Quote source: stonehengeairmuseum.org/inflatoplane  
    |    Another article
  • AirborneWindEnergy/ToyotaAWE
  • AirborneWindEnergy/ToyotaAndOKstateHighFlyProject
  • Inflatable   (wiki)
  • Sense,  release, pump
  • Wind power for recharging bladders?
  • Involve batteries for recharging bladders? 
  • Sensors and servos?
  • v  
  • v  
Send AWE notes and topic replies to editor@upperwindpower.com
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July 22, 2020, post by Joe Faust
William Carroll                         williamhcarroll.com/

"Temporary Researcher - Toyota MOTHERSHIP
Oklahoma State University       (OSU)
May 2018 – Present for  2 years 3 months

Stillwater Oklahoma

For this position, I am the design lead for the pressure maintenance system needed to maintain the pressure in an inflatable kite for high altitude flights (5000m+ above sea level). I also assist the team with large-scale kite design, kite dynamics and modeling, designing experiments to determine material properties of inflatable structures and data acquisition systems."