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  1. C

    Izip conversion from 36v to 60v

    This guys spliced in a 24volt battery in series to the 36volt battery that came with his Currie Izip Zuma to convert it from 36volt to a 60volt power source. He also swapped out the controller. The Izip lithium battery packs have 4 prong connection that is not registering any voltage with volt...
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    Tartaruga Semi Recumbent electric assist (import from Japan)

    This is Tartaruga semi recumbent electric assist bicycle imported from Japan. -U-6Y_zWT6s
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    Wiring diagram/graphics for brushless motor full revolution

    I am trying to cognitively get how the electricity is moving withing the circuits/coils of a brushless motor. So far I understand that brushless motors are 3 phase coil circuits. And some have hall effect sensors in between each of the phase coils and some are sensorless. So I am thinking...
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    variable regen throttle and controller for ebikes.

    Are there any controllers that have built in capacity for variable regen switching like the Vectrix Motorcycle? And are there any throttles being made/sold that are similar to the Vectrix to work with this function. Or are there any hacks that have been done or can be done to existing throttles...
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    universal test device 4 brushless & brushed motor controler

    It occured to me that it would be very useful to have a test device that was a universal test device for virtually any brushed and brushless motors, hall effect throttles, and perhaps even for testing circuits are ok on motors. This would be especially valuable for controllers, to see that they...
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    Making an electric trike out of wheelchair in seconds(video)

    making an electric trike out of a manual wheelchair in seconds. This is very innovative idea of using existing equipment and being able to adapt it without having to make any structural changes to the wheelchair. JikRgENekuw
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    Tutorial - fixing a flat on electric hub motor wheel (video)

    This video shows how to repair flat on a rear wheel of an electric scooter with an electric hub motor. One of the intereting things in this video is his idea of using a plastic circular 5 gallon bucket cut in the middle, as a place to lay the hub wheel down on while fixing the tire and tube, and...
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    "Global Review of Light Electric Vehicles in 2012"(video)

    Ed Benjamin Lecture March 2012 "Global Review of Light Electric Vehicles in 2012" (primarily about electric bicycles) SUMLdtFdVLQ
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    Electric HandCycle (and inovative folding joint)(video)

    interesting idea, Electric assist hancycle. It appears this handcycle could even be operated by a person who has no legs (or paralyzed legs) and only use of one arm. It has feature of cruise control, which can be used to assist rider. 5IRqt1bjx5c The joint in the front is very interesting. And...
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    having an electric bike is like being an alien

    I was at a public event the other day, and saw a few electric bicycles there. I spoke to one person riding an Ultra Motor bike. He was friendly and even offered to let me ride it. I spoke to another person about my ebike.. and he said he has an ebike.. a currie "ezip". I asked some of the basic...
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    Mowing yard with electric powered wheelchair (video)

    2jpqX4quIzk another funny video by the same guy. This one he talks about being question about the batteries on his electric power wheelchair. Funny story. AvN8u9j7iec
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    DIY Electric Assist Wheelchair

    I have seen a couple electric assist wheelchairs. It is kind of like the pedalec of electric wheelchair systems. It apparentl has en electric hub motor for each side wheel. And each wheel has a motor, controller, and lithium battery in it. It has a switch that attaches to the hand rail ring...
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    electric train with bike car in front???

    I was watching this video about a power assist electric wheelchair called E-motion, and caught this scene of an electric train (i presume somewhere in Germany?) with a small platform on wheels in front of it with bike racks to park bikes. It was amazing to see this. Any idea where/what train...
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    Golden Motor Magic Pie 2 and 3 USB cables

    Golden Motor Magic Pie 2 and 3 USB cables. What is the difference?
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    designing a "go to sleep" circuit for ebike

    I notice that I can loose some range on battery as result of the controller using electricity while controler is receiving electricity, even when motor is not drawing current through th econtroler. I have a vision of a sleep circuit which would disengage the controler drain, after a set amount...
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    Golden Motor 36v with 12v booster/turbo button???

    there was a post on how to add a 12 booster battery for temporary added power and speed. by running a 12 volt SLA battery in series with the 36v lithium battery. This is the diagram they posted ( I added instead of one 12 volt battery, to add two 12 volt batteries in parallel, in series with the...
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    How do MOSFETs work? (P, N, and ? channel)

    I see that MOSFETs are very important electonic part of electric bicycles. There are at least two different types of MOSFET. And i believe they are like an electric gate or form of resister? I am seeking to understand how they work and are used on electric bicycles, such as controllers (and...
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    Awesome Multimeter tutorial (video)

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    How does a Brushless Motor throttle work?

    As I am on my quest to understand how the brushless motor systems work, I see that understanding what the Hall Effect is and how it is applied in controlling and running an electric motor is one of the most important things to know about brushless electric motor bicycles. I found this video (...
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    Electric motorcycle or bike clubs in North America

    I have seen videos and web pages of electric motorcycle clubs in europe. This is the first I am aware of in North America This one is based in Quebec, Canada. http://www.youtube.com/watch?v=N3eHyl1uuBE BTW, is there a way to organize groups interested in electric bicycles based on geographical...
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    How to wire DC Constant Voltage Converter to solar panel??

    Did I get this right?? Diagram for wiring a DC Constant Voltage Converter to (between?) a solar panel and a battery? using 4 diodes(2 on both sides of the converter)?? Is one on the cathode and anode side necesarry? Or would only one on the Athode terminal be enough? Would it also work to...
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    Inside Golden Motor Lithium Battery Rear Pack LFP-3616S

    I want to do some diagnostics to see what might be going on with the 36v16ah lithium battery from Golden Motor. To do a proper investigation I felt it was important to also pull it out of the aluminum housing to examine the inside thoroughly. To do that, I had to unscrew the four screws securing...
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