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Gravity powered devices => Gravity powered devices => Topic started by: iacob alex on August 02, 2014, 10:14:19 PM

Title: Oscillatory one arm "wheel"...
Post by: iacob alex on August 02, 2014, 10:14:19 PM
.....if we replace the throwing arm of :  www.ronleigh.com/ivytech/_ref-trebuchet-range.htm (http://www.ronleigh.com/ivytech/_ref-trebuchet-range.htm)
...with a single simple hinged arm of a "classical" design (see Middle Ages wheels...) at :
    https://www.lhup.edu/~dsimanek/museum/machines/perp_ani.gif (https://www.lhup.edu/~dsimanek/museum/machines/perp_ani.gif)
  A trebuchet ( gravity simple machine...variable lever ) modified into a gravity self-powered simple machine (oscillatory lever...) ?
   If so , there is nothing new (a kind of "Lego-soft",only)...but the gratitude to our predecessors.
         Al_ex