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--- ideas:helium_valve [2007/01/20 02:28] – laurenceb
+++ ideas:helium_valve [2008/07/19 23:33] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Helium Valve ======
+====== Helium Valves ======
  Venting helium allows the lift to be controlled and the balloon to be overinflated for a quick ascent and then to vent helium to "hover" at altitude