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Game: Kite-System Skydiving

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  • Joe Faust
    Game rules: Post a description of a kite system (KS) that gives a skydiver (SD) a skydive. Post at most one distinct scenario per post in this thread. The
    Message 1 of 7 , Mar 24, 2011

      Game rules: 
      Post a description of a kite system (KS) that gives a skydiver (SD) a skydive.
      Post at most one distinct scenario per post in this thread. 

       The descriptions may gloss over fine details. 
      Target is to generate at least 20 distinct scenarios. 
      Cares about safety over each scenario could come sooner or later; but the game is closer to brainstorming than fine tuning.

      Along the way, mentioning motivations for skydives will enrich the thread;
      why skydive?   Why use kite systems to skydive?

      Ready?  Have fun!  There are some business opportunities radiating from this game.

    • Bob Stuart
      Wouldn t the obvious thing be to just use a parafoil chute, and launch on a kite line? Perhaps it would work best with a section of bungee cord and a safety
      Message 2 of 7 , Mar 25, 2011
        Wouldn't the obvious thing be to just use a parafoil chute, and launch on a kite line?  Perhaps it would work best with a section of bungee cord and a safety release. A stack of parafoils would help you to get out of the slow air near the ground.

        Bob

        On 24-Mar-11, at 10:39 PM, Joe Faust wrote:


        Game rules:  
        Post a description of a kite system (KS) that gives a skydiver (SD) a skydive. 
        Post at most one distinct scenario per post in this thread. 

         The descriptions may gloss over fine details.  
        Target is to generate at least 20 distinct scenarios.  
        Cares about safety over each scenario could come sooner or later; but the game is closer to brainstorming than fine tuning.

        Along the way, mentioning motivations for skydives will enrich the thread; 
        why skydive?   Why use kite systems to skydive?

        Ready?  Have fun!  There are some business opportunities radiating from this game.



      • Bob Stuart
        P.S. - at the top end of the tether, the skydiver could attach a kite to aid line retrieval. A complete separate chute might be carried so that the first one
        Message 3 of 7 , Mar 25, 2011
          P.S. - at the top end of the tether, the skydiver could attach a kite to aid line retrieval.  A complete separate 'chute might be carried so that the first one could be hooked to the line allowing a full skydive instead of just a rapid-descent mode.  

          Bob

          On 24-Mar-11, at 10:39 PM, Joe Faust wrote:


          Game rules:  
          Post a description of a kite system (KS) that gives a skydiver (SD) a skydive. 
          Post at most one distinct scenario per post in this thread. 

           The descriptions may gloss over fine details.  
          Target is to generate at least 20 distinct scenarios.  
          Cares about safety over each scenario could come sooner or later; but the game is closer to brainstorming than fine tuning.

          Along the way, mentioning motivations for skydives will enrich the thread; 
          why skydive?   Why use kite systems to skydive?

          Ready?  Have fun!  There are some business opportunities radiating from this game.



        • Joe Faust
          In support of this game: http://energykitesystems.net/ApplicationsKES/SkydivingByKS/index.html
          Message 4 of 7 , Mar 25, 2011
          • dave santos
            Wind Powered Skydiving promises to be dirt cheap, but needs to fully reproduce the basic function of the Jump Plane to really be wildly popular: It must
            Message 5 of 7 , Mar 25, 2011


              Wind Powered Skydiving promises to be dirt cheap, but needs to fully reproduce the basic function of the Jump Plane to really be wildly popular: It must be a fast climb for multiple jumpers. Normal surface wind is not really enough to allow a jumper to launch with only a tether & their own canopy as a kite; that would require about 30knts for modern sport canopies. Wind powered aerotowing is a partial solution, but these modes do not favor free-fall, the essence of the sport. What's needed is a sort elevator or upward zip-line held up & powered by large kites maintained at altitude. At the top there needs to be a "sky terminal", likely a light weight platform where several jumpers can gather.
               
              The simplest existing model is a traditional "kite messenger", a wind-powered line-climbing device. The skydiver might use her own chute to rise along the line, as the power requirement is eased, but it would be important not rub lines or chute together. A leader line might allow the jumper to work the chute clear of a main zip-line. The ultimate system is likely a kite-based AWE-driven gondola cableway to the sky, but it would be a considerable R&D project. Such a system would have many potential uses, even including regional transit.

            • christopher carlin
              How about slingshot launching the sky diver the way you do RC gliders. It would be an exciting ride. Chris
              Message 6 of 7 , Mar 25, 2011
                How about slingshot launching the sky diver the way you do RC gliders. It would be an exciting ride.

                Chris
                On Mar 25, 2011, at 4:52 PM, dave santos wrote:



                Wind Powered Skydiving promises to be dirt cheap, but needs to fully reproduce the basic function of the Jump Plane to really be wildly popular: It must be a fast climb for multiple jumpers. Normal surface wind is not really enough to allow a jumper to launch with only a tether & their own canopy as a kite; that would require about 30knts for modern sport canopies. Wind powered aerotowing is a partial solution, but these modes do not favor free-fall, the essence of the sport. What's needed is a sort elevator or upward zip-line held up & powered by large kites maintained at altitude. At the top there needs to be a "sky terminal", likely a light weight platform where several jumpers can gather.
                 
                The simplest existing model is a traditional "kite messenger", a wind-powered line-climbing device. The skydiver might use her own chute to rise along the line, as the power requirement is eased, but it would be important not rub lines or chute together. A leader line might allow the jumper to work the chute clear of a main zip-line. The ultimate system is likely a kite-based AWE-driven gondola cableway to the sky, but it would be a considerable R&D project. Such a system would have many potential uses, even including regional transit.



              • dave santos
                Yeah, a super fast tow similar to a bungee launch would be a great way to go. The jump plane could be kinda like a WWII troop glider, but far hotter,
                Message 7 of 7 , Mar 26, 2011
                  Yeah, a super fast tow similar to a bungee launch would be a great way to go. The jump plane could be kinda like a WWII troop glider, but far hotter, capable of being accelerated to several hundred miles an hour for a final ballistic climb phase. You want to be able to put eight jumpers at about 12,000ft to replicate an average DZ capability.
                   
                  See next post [Winch Tow as an Aviation Basis] for a more general discussion.
                   
                   
                   
                  Chris wrote- 
                   
                  How about slingshot launching the sky diver the way you do RC gliders. It would be an exciting ride.


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