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Extreme Powerizers, the Powerbow
Powerizers or jump stilts, are a kind of boots you strap on that enable you to jump high and run fast.
The way they do that is to return the energy you put into them.
powerizer ,
on youtube
Thats a nice principle, using an energy efficient device like a bow.
Energy in springs is equal to the force X the deflection length.
The available force comes from your legs.
So if we take that, put it to the max, and add your arm-force into the equation,
you get an extreme Powerizer, or Powerbow (see sketch).
Notice you get a long spring with the potential of containing lots of energy,
with a wire running down from the top to the feet lever.
On the top there is a bar for your hands to pull down,
to get even more energy in the spring system.
1. conventional Powerizer
2. side view of Powerbow.
3. Powerbow in action, without figure.
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updated; 20-08-2010
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