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Jentacular
Relating to breakfast
Wednesday 28 March 2007
Clever Bike Gear System
The
NuVinci
Continuously Variable Planetary Drive
is based on an invention of
Leonardo da Vinci
.
The video explains it well, but the basic idea is that the rider turns the handle and the input to output ratio changes smoothly.
Seems very clever. Maybe it's finally time for me to learn to ride a bike!
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