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Spar notes
 

Curved ram-air inflated spar (or rib or batten) set in spinnaker

 Look yet to what Richard Miller (R.I.P.) yearned for: Reefable spars, reefable D-tubes (parts reefable). Then when such is obtained, wear the reefable parts. Drape for clothes the sail parts. Walk up the mountain; take off the layers of clothes; unfurl the clothes parts; piece together the clothes parts to obtain spars and D-tubes; dress her. Check systems. Check scene and hook-in. Clear. Enjoy flight. Land. Take apart; dress self again. Hike some. Repeat. Go world. Clothes that form the hang glider!
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Near: http://www.freepatentsonline.com/20100116937.pdf 

 
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Near: Patent number
: 5040349  Collapsible truss structures Junjiro Onoda et al 

 


This construction method may be used to stress bag tube segments when the exterior lines are elastic.

Mods could be with exterior wings. And if the X parts are set in pyramids opposing then a central elastic could tension all the wings.

 

Pole-vault poles?  Could they be made in segments or be made reefable from parts?   Is carbon fiber being used yet?
  • Surface line-shell with sector plate ribs and airbag compression between each sector rib.   JpF June 27, 2012
    • Pressurized broadbag ended with rib plate combined with shelling tension lines ...
    • Double-sock spar; ribs; between ribs: less-than-profile compression bags positively inflated.  Inflate the bag to make taut the shelling surface lines of the sock.  Does this have any advantage over the Goodyear multi-strand method?
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Airbeam tech without compression beams and without interior webs
Airbeam tech with compression beams and cables: Tensairity
Airbeam tech without compression beams but with interior webs
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