Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [electric-power]

The tag has no usage guidance.

0
votes
1answer
122 views

Dual electric/pedal bikes to solve pedalling effort issues

I prefer the good old pedal bike. For obvious reasons, I cannot get to the office sweating, and I have no time to shower before I get into the office. I have no issues biking uphill and steep road ...
2
votes
2answers
173 views

“Right” way to store energy from 2 dynamo hubs

I just bought a recumbent trike, and plan to do a fair amount of long-distance traveling on it, to the point that a dynamo hub seems like a really good idea. I was going to put a dynamo hub on one ...
2
votes
1answer
129 views

What is this … electrical bike's setup? Is there a particular brand or model name for this? how to replace its battery?

Just bought it from someone, interested to get it fixed. he said it just needs to replace battery, I doubt it (after numerous experience with asking the sellers "what is wrong with the bike" and ends ...
-1
votes
0answers
185 views

Advice For Powering A Long Touring Trip

I know there's lots written on the various merits of bottle vs hub dynamos already, much of which I've read and much of it here, but I'm seeking opinions for helping plan specifically our coast-to-...
6
votes
5answers
7k views

Can I use an RC motor to make my bike electric?

I would like to make my ebike to have the minimal look, so adding big hubs or mid drive motors isn't really an option since it also costs more. I found this Keda brushless outrunner 2000w 190KV motor ...
0
votes
0answers
47 views

Fitting a CycloTricity E kit to a Sirrus Elite

The instructions are clear and accompanied by photographs of the procedures. However in attempting to fit the motor wheel into the forks of the Sirrus I find that the motor spindle is wider than the ...
1
vote
2answers
754 views

tricycle engine compatibility?

Hi I was wondering if any bike engines would be compatible for a adults tricycle? An example of the bike I am talking about: TinyURL: http://tinyurl.com/otuo2d2 Thank You
2
votes
1answer
866 views

How to securely connect cable to AXA Quattro dynamo?

See the image: How do I securely attach the cable to the dynamo? I tried the obvious, threaded the cable through one of the holes in the plastic cover, and pressed the cover snugly onto the socket. ...
2
votes
1answer
258 views

Cheap energy sources for electronics during touring with low amount of sun energy?

My goal is to find a cheap energy sources for touring. I cannot use solar all the time so I am planning to get Reelights outlined here, for lights, because they are cheaper than installing a hub ...
10
votes
2answers
2k views

Dynamo hub lighting system recommendation

I'm considering outfitting my hybrid/commuter bike with a front dynamo hub and associated lighting. Currently, looking at Sanyo, Shimano, and Schmidt dynamo hubs. The Schmidt's are pretty pricey, ...
20
votes
12answers
6k views

How can I charge my phone while cycling?

I have an HTC Hero, which is a great phone, but the battery life is pretty poor if I'm using the GPS and music player on it as well. The phone uses a mini-USB connection for charging, and I have a ...