As I was thinking about Copenhagen wheel, I remembered there is a Berlin inventor who has come up with an electric bike which you power by pedaling that can reach speeds of 50 mph.
Stefan Gulas has developed a system that amplifies the effort you put in by a factor of 50, meaning you can accelerate quickly and maintain high speeds with very little effort. " The faster you pedal, the faster the 12 horsepower electric motor rotates"
The problem with this bike is that, it is a new technology so it is expensive for general public. Stefan must have invested tons of money to make this thing possible.
It costed 44 grand US bucks. And if you wanted it, you had to put half of them as deposit. That is more than 2 brand new 2010 Ducati 1198S....I hear the price has been reduced to around 18 grand as of 2010. But still more than most of brand new mid size cars...
Also, I would like it go faster than 50mph/ 80kph, can't get on high way with confidence unless it can do 70mph or so. Maybe front wheel can have the Copenhagen wheel to make it 2WD to help out....
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