Questions tagged [electric-power]

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2
votes
1answer
123 views

Ebike brake lever cutoff switch / interrupt switch : How does it work?

When pressing the brake lever on my ebike the bldc motor controller (aka ebike controller) 'cuts power' to the motor until the brake lever is released again/sensor is deactivated. I would love to know ...
-1
votes
1answer
88 views

Do gear train cogs exist (for driving a cog from a motor)?

Are there any gears made that can directly drive a cog? Specifically, there should be a rounded "flower" gear that could interface directly and reasonably efficiently to a bike cog. However, I ...
0
votes
1answer
127 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
419 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
142 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 ...
7
votes
6answers
9k 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
53 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
905 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
1k 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
272 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, ...
21
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 ...