Credit: Shhhh...
Looks a lot faster & easier.
And this guy found the same thing: "... 4 guys on 2 wood splitters couldn't keep up to me ... Go Leveraxe" — Vipukirves axe owner
http://veryveryquiet.blogspot.com.au/2013/07/vipukirves-finnish-axe.html
http://www.treehugger.com/renewable-energy/vipukirves-axe-uses-leverage-to-make-woodcutting-easy.html / popularity wood pellet stoves burning wood heat green heat with wood hard labour chop chopping wood improved axe-like tools make the job easier unique axe conventional axe lever leverage make woodchopping easierVipukirves axe Finnish inventor Heikki Kärnä lever wedge chop chopping wood Vipukirves translates lever axe swinging down axe cuts wood pushes it apart off-center shaft unique form shifts axe's center of gravity less force chop less dangerous physics hit hitting top log penetrate penetrating leading edge axe head axe blade widens sharply axe’s penetration mass axe head kinetic energy off line center of gravity rotate eccentrically down towards the wood rotational movement leading edge sharp edge blade turn lever action forcing a split force kinetic energy multiplied by the leverage of the axehead widening blade edge penetrate penetrating into the wood and getting stuck traditional axe tree firewood weighs 4 pounds heating with fossil fuels winter /
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