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32 Km/hr? Isn't that kind of slow? No. Not for a bicycle. Statistics are hard to come by, but the average speed of a regular bicycle driven by avid cyclists is 20km/hr.12 for a novice. So an electric bike with a speed output of up to 32km/hr without any effort is actually very good. A typical horse can maintain a gallop for about 2 miles and a fast gallop is about 35 KM/hr. Some MYTHBUSTERS Videos on electric vehicles |
Electric bicycles have been around for a long time(over a century), so why are they catching on now? Advances
in
battery
technology
have
made
batteries
safer
and
easier
to
recycle.
With more modern lithium, NiMh or even cadmium batteries you
can get more energy than lead acid for a lighter weight.
Electronics have made controlling the power and amperage much easier
and safer. The development of the hub motor has made
mounting of a motor (seperate from the wheel) to the frame unnecessary,
thus making the mechanics of propulsion simpler.
Canadian Law In Canada
bicycles can have a motor that does not
exceed 500 Watts rated and 32 Km/hr, must have an emergency cutoff, and
pedals. If it
qualifies then insurance and a drivers license are not needed
in almost all provinces. Some local city bylaws may impose
further restrictions but those are rare. If it fails to meet those
requirements then it is classed as a motorcycle but can be operated
under a simple car drivers license instead of a motorcycle license.
Although some jurisdictions haven't caught up with this 100 year old
technology and may be more restrictive. If you call your dept of
transport or public safety and they say something along the lines
of
"if it looks like a bike it's a bike if it doesn't it's not",
then demand to know what article and line item of
legislation says that. Some departments are answering the phone
with unlegislated rules of thumb that are totally wrong, not true, and
have no force of law. If you
have
any
issues let me know.
What about winter? As long as the roads are clear
there is no law restricting you off the
road that I know of. I would recommend a tricycle for stability however
if you plan on
driving in snow. I'd recommend not driving on roads that have
snow drifts piled on the side.
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| What
about
highways?
Wear a helmet and attach a "slow
vehicle sticker" and stick to the curb
or bike path and you are allowed on the highway.
177(3) No person shall ride
on or operate a bicycle on a highway unless
the person is wearing a bicycle helmet in accordance with the
regulations
and the chin strap of the helmet is securely fastened under the
person's chin. I would avoid highways though unless there is no
other route.
What about carrying a package? As long as you can keep one hand
on the handle
bars, no problem. Wide- style frames also have this nice flat area
right in front
of the seat!
180 No person operating a
bicycle shall carry any
package, bundle, or article which prevents the driver from keeping at
least one hand upon the handle bars of such bicycle.
So why isn't it classed as a motorcycle (scooter)? That is how the law is written.
"motorcycle" means a vehicle of the subclasses enclosed motorcycle, open motorcycle, limited-speed motorcycle and motor tricycle, but does not include a power-assisted bicycle......... |
![]() Jay Leno's 100 year old elecrtric car |
| Brushed
or
Brushless
motor? The bikes I sell are all brushless. A brushed motor will accumulate carbon dust inside of it and therefore needs to be cleaned regularly. Also the brushes themselves wear down and will need to be replaced. A Brushless motor does not have this maintenance factor. There are no friction points inside a brushless motor. The inner section does not move and is connected to the axle and is supported directly by the frame. The wheel is supported by the axle via two bearings rings, one on each side. These bearings are the only mechanical connection of the motor to the wheel. The wheel is comprised of the tire and tube attached to the rim. The inside of the rim has magnetssolidly attached. |
The polarity of the electro
magnet changes and pushes the magnets attached to the rim. ![]() |
![]() Electric Trains and Hub Motor Dump Trucks |
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So can you find cheaper bikes
elsewhere? Yes, try Canadian Tire or
Walmart,
but you may not be getting what you pay for.
A word about the Canadian Tire currie bikes: They are 24 to 36 volts, and say "up to 500W" this means they are not a 500W motor, but that the MAX output is 500W. Volts x Amps = Watts. So these Canadian Tire motors are probably 120w to 180W. They also say up to 28Km/hr, take that to mean with a light load and you pedaling. When they say it goes 100Km that means with you pedaling all the way and only occasionally using battery assist. This is quoted from their web page(click specs) ~~>"Up to 30 km per charge with normal pedalling". Max power is hill climbing ability. A 350W rated motor carrying a bout 170 kg(374lbs) will climb the Union street hill by the Aquatic Center(Saint John N.B.) at a speed of roughly 15Km/hr. So figure one of these 120W Canadian tire bikes would take it at about 8km/hr at best 5 km/hr at worst. Can't I buy a cheaper or second
hand
one from
ebay?
It's
important that
you have local support for what you buy.Ah the lure of a low number. Let us do the math. 600usd to cdn = 720 + 300 usd shipping + duty and tarrifs as electric bikes are not covered under NAFTA (can be higher than 30%, we'll say 10%)+ brokerage fee~~100 comes to about $1280CDN. Then there is the risk of seizure by customs if they think it's a moped and doesn't qualify for the road in Canada. Don't laugh. My entire cargo container was seized for a few days until I provided documents from Transport Canada proving they were legal power assisted bicycles not scooters or mopeds. Think you want to go hunting down Ottawa bureaucrats for a letter? Then there is the motor rating issue. Is it 500W max or continuous output? Oh yes then there is this:
VEHICLES MANUFACTURED OUTSIDE CANADA AND THE UNITED STATES Vehicles manufactured for sale in countries other than Canada and the United States do not comply with the requirements of the Canada Motor Vehicle Safety Act, CANNOT be altered to comply and CANNOT be imported into Canada. The only exceptions to this rule are vehicles fifteen (15) years old or older as determined by the month and year in which the vehicle was manufactured and buses manufactured before January 1, 1971.
There are six main components to
an
electric bike.
1)
The motor - cheaper to replace than repair, labour
costs are the killer on repairs ($50 and hour, 4 hours and you
coulda bought a new motor for about $100-200). Plenty of electric
motor shops
around. Electric motors are used in many many consumer devices, from
refrigerators, to air conditioners and furnaces. There are several
repair shops in Saint John that service electric motors. I can order
replacements. Replacment motors can often be bought for less than the
cost of
labour of repairing one. If you want to repair one yourself often the
only thing that needs to be done is to replace a hall sensor(a couple
bucks at any electronics store - very common item) or do some rewiring.
There are no moving
parts to a brushless electric motor.
2)
The controller - Can often be fixed
up with replacement components if you are good with a soldering and
electronics. Note that controllers have direct connections to the
batteries and are thus LIVE unless the batteries are unplugged. They
also have capacitors which store an electrical charge. Some carry a
charge strong enough to stop your heart. Should be left to
professionals or people who know their way around capacitors
to repair. Lots of electronic shops around.
3)
Batteries and charger -
available anywhere. Be aware that chargers are specific to battery
chemistries. There is even a website out there that shows you how
to build a $3 charger http://www.alpharubicon.com/elect/3dollarbattggn.htm.
4)
Throttle and brakes - common
componnents easily available
5)
DC
to
DC
converter
to
power
turn
signals&
lights.
-
Easy to come by. Should NEVER be repaired
except by
professionals since if it is done wrong it will fry your lights
and controller immediately. Commonly available for about $100.00
6)
The bike frame itself. Frames are steel so anyone with a welder can fix
it up or modify.
Kits are
also available
to convert an
existing bike to an electric bike. The problem is aluminum frames.
Specifically aluminum forks where the hub
is mounted. Aluminum is often NOT strong enough to handle the torque
of the motor and can tear itself out of the forks damaging both forks
and motor. Steel forks are needed(that is why my bikes are steel
frames). Even then with steel
forks a torque arm that attaches
to a
longer segment of the fork, will
help eliminate this issue. The more powerful the motor the more
a retensioning method is necessary.
see maintenance section for places to buy replacements. Which bike is for me? Well there
is the rub. Everyone wants something different. If you are carrying
much more weight than 200 lbs(93Kg) then you are not going to be happy
with the brushed motor kind Canadian Tire sells. You will need
something that can provide full time assistance.
Can I pedal along? Yes and no. For a regular
bike with a conversion kit, yes; for a thin-style like bike, yes; for
a wide-style bike, kind of. The problem with wide style like
bikes is that they are W I D E. So wide in fact that some of the
general population can not pedal them from
a
sitting
position. They must stand and shift weight from leg to
leg to pedal. Although with it's stronger motor you are less likely to
need to pedal.
A motor assisted cycle must not
be
equipped with a generator, alternator or similar device powered by a
combustion engine.[Note that some police if they see a combustion
engine of ANY kind, be it a generator or not, will ignore the law and
fine you as if it is a motorcycle.]
Maneuvering Low CG vs High CG.
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| Electric Car-bikes http://www.twike.com/ Wooden Bicycles http://endless-sphere.com/forums/viewtopic.php?f=1&t=10697 |