nutsandvolts wrote:Go ahead and use lead if you want. You're not going to convince most of us to give up on lithium.
As alternative to the Canadian Tire Schwinn, these Tailwind bikes look pretty interesting, my guess is that they cost a lot more though. My female friend is planning to buy the Schwinn Premise from Canadian Tire along with a spare lithium battery. I was going to build her a bike but just don't have time. These two Schwinn bikes look pretty decent: Tailwind and Premise. So I take back what I said about Canadian Tire electric bikes earlier. It is only very recently they started selling them with lithium batteries at Canadian Tire. And they are quite a bit different than the IZIPs that were the only ones available a short while ago. Hopefully they'll stock the Tailwind soon. And it's batteries.
I couldn't find the little mongoose motocross electric bike in stock anywhere.
I guess those are selling out pretty quickly.
A unit of work or power that is the product of voltage multiplied by amps.
28 volts X 6.43 amps = 180 watts
746 watts = 1 horsepower
A bicyclist setting a world speed record for 1 hour needs to maintain about 475 watts. The occasional recreational cyclist can maintain about 1/10th of a horsepower or 75 watts for 1 hour with bursts of 200 watts for a few minutes, more or less depending on the riders conditioning. The Schwinn Plug NÃ¢â‚¬â„¢ Drive motor more than doubles the recreational cyclists input with 150 watts of continuous power and 250 watts of momentary power to help get the recreational cyclist through the tough parts of the ride.
317537 wrote:There is one problem with lithium. If everyone decided to go green and use lithium, would there be enough for everyone? From what I have seen not even close.
Well fromn what I gather the same goes with lead.
Baja BE500 Power Assisted Bicycle
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Powerful 500W 2.04 HP engine
Electric starter for easy starting
Scooter design for comfort and easy driving
Nine hour charge time
Will go up to 50 km on a single charge
Includes fully functional bicycle pedals
jag wrote:How does a 500W electric motor produce 2hp???
What might the electric starter do?
Incredible how they can have so clueless people write the ad texts.
They forgot to mention weight. I wonder if this one would be street legal here with the Alberta 35kg limit on powered bicycles. Haven't seen any of these on the streets of Edmonton yet.
QRP wrote:A few points:
1. "The above is going to take a 48v ebike and a solid 20ah of battery capacity.If you want to do 20ah at 48v using SLA you are going to need 4x40ah 12v sla battery's and one big trailer to put them in ."
Kurt's math is wrong. 4 x 12V = 48 v for batteries in series. The current is the same, so 4 x20 Ah still gives 20 Ah.
Andje wrote:I didnt read any of the previous posts. To be honest i dont care about them at all. I work for the company in Ottawa Ontario that actually assembles CT's bikes...
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