It's been years since I was able to ride a bicycle and I know there is
at least one person who posts to this group who rides a bike daily. I
was in very good shape when I rode a bicycle for transportation but I'll
bet the bike in this video could give someone a real workout. ^_^
Not many videos get 7,562,822 views. I bet he is quite satisfied with the
attention it got.
It looks like he had problems steering it. He couldn't stay in the lane he
was supposed to be in.
Don. www.donwiss.com (e-mail link at home page bottom).
I commute by bike around 25 miles daily in Queens and Manhattan. This
bike would not make the cut but certainly is fun. As I age (over 60
now) I bought a bike that has an electric assist motor. No throttle,
it will only work if you pedal, but it does make the big hills and
headwinds easier to deal with. A very good use of technology.
On Thu, 29 Aug 2013 02:50:10 -0500, The Daring Dufas
It's an interesting idea but I'm inclined to agree that the
engineering isn't there yet. More exactly, battery power. I use a Trek
It's mostly an accurate review, except I can easily do my 25 mile r/t
commute without recharging - I mostly leave the bike in the lowest
assist mode (25%) and just bump it up when hitting big hills. I
sometimes go 40 miles and have plenty of battery left over, but I do a
lot of the work myself and rarely go over 15mph.
The copenhagen wheel simply can't store enough power to make it
worthwhile. My battery is only 6.6 ah, which is vastly underpowered
according to most EBike standards. And it weighs 6.6 lbs, which sort
of gives an idea of what the battery alone needs to be to handle a
real commute. Most people use 10-15ah batteries, which are of course
10-15 lbs. It isn't really that much, I mean I weigh almost 190 so
what is another 10 lbs?
Still, integrated into a hub, I just don't see how it can work without
being one monster hub.
I believe the energy system will eventually be built into the frame of
the bicycle and not necessarily just batteries but super capacitors
which will charge very quickly from the energy recovery mechanism that
would be a mandatory feature of such a bike. Instead of mechanical
brakes, the electrical drive would do the braking in order to recover
If your purpose were exercise rather than commuting, you should design an U
rban Trainer bicycle.
The problem with bicycle exercise is not all of us have the space to put in
the necessary miles safely (traffic, dogs, bad roads, etc.) Indoor traine
rs work but are boring.
But most of us could go around one block easily. What if that took an hour
? Build a bike geared such that you only go very slowly. Add some mechani
cal resistance (magnetic or hydraulic as is done in the expensive magtraine
rs). Add a flywheel for gyroscopic effect so you don't fall over.
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