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  1. Pegasus195

    Can we series BMS?

    Hello, I have a question that this community might help me with. So I'm building and electric reverse trike (imagine Vanderhall Venice but electric), and I'm using QS motor's E-car hub motor. To power it, I need a 96v battery pack and the controller have a maximum working voltage of 120v. So I...
  2. Pegasus195

    Step Down EV battery voltage for lights, alarms, etc

    So I've been looking for ways to power my headlight for my ebike DIRECTLY from the battery, with a device through it probably. These days, I power my ebike with 1 18650 cell, and needs to recharge it seperately. I want to have an output from my battery (48v) step down to 5v for some low voltage...
  3. Pegasus195

    ebike homemade spokes

    every hub motor ebike requires a special length spoke. Sometimes we can buy it directly from the company/manufacturer, sometimes we can ask a capable bike shop to cut a normal bike spoke, and thread them. Does anybody here know how to thread these bicycle spokes after I "customly" cut the spokes...
  4. Pegasus195

    electric skateboard motor and controller matching

    I own 2 electric skateboard hub motors that was purchased by my friend, and he forgot to get the specification of the motor. I'm trying to make a boosted board replica with bamboo longboard and 90MM wheels(same with the hub motor). Now I don't know if it's fine to directly connect my hub motors...
  5. Pegasus195

    Hoverboard & motorcycle hub motors MAXIMUM load?

    Hi, I've been trying to reverse engineer and experiment with the hoverboard's hub motors since it's pretty easy for me to get. I'm planning to make a homemade onewheel using these motors. However, I am sill on a dilemma whether to use 1 or 2(paralleled) hoverboard hub motors. In case I'm gonna...
  6. Pegasus195

    Parallel BLDC Motor connection

    I'm building a kind of electric skateboard, and I want to put dual motors instead of one, to give more stability and power. And I'm only using 1 motor controller for this project, other skateboards with dual motors have 2 ESCs/controllers. So are there any possibilities for me to parallel 2...
  7. Pegasus195

    Monowheel Vehicle

    I decided to start making a single-wheeled motorcycle few days ago. Inspired by the Onewheel and Ryno motors, I want to make my own personal Unicyle/Monowheel Bike. The only problem I'm facing right now is the controller, I'm not sure whether I should use the 36v motor controller found in...
  8. Pegasus195

    12v to 48v converter for ebike?

    All of my ebike motors are 48v, and it complicates me when making the battery for these. I don't have a spot welder yet atm, and the only way for me and that i know of to make 48v batteries are using 13 series of 18650 (or 4 series of RC lipo batteries), which my only way of combining those...
  9. Pegasus195

    Charging ebike without chargers?

    I was wondering if I can charge my ebike just by pedaling my ebike (with a stand, not touching the ground) within a few hours? This could help me exercise indoors if it's raining, while also charging my ebike battery(also in case of no electricity).
  10. Pegasus195

    AC motor with ebike controller

    I was wondering if I can power my 3-phased AC motors that's taken apart from some old industrial machine? I am also wondering if BLDC motors and AC motors are the same since it's both 3 phased and a BLDC motor controller is somehow an inverter? I got plenty of 3-phased AC motors, and I'm trying...
  11. Pegasus195

    Direct Drive motor gets stuck without power attached

    Hi, I am currently building another ebike, with a DD hub motor. It's still on progress, and I'm hanging the bike's rear wheel so i can test run the motors without hesitation. It is all set except for the bike's battery & controller case, and so my ebike is hanging without any battery nor...
  12. Pegasus195

    Can a low wattage controller run a bigger wattage motor

    I'm wondering if I can get a 1500w motor to run using a 500w motor controller[we're talking about the same voltages for the motor & controller]. I don't mind the motor not running the full power like just running about 15-20mph(around 300w) is enough at the moment, I just wanted to know if I can...
  13. Pegasus195

    Motor only rotating 1 way

    Hey guys, I'm new here, and interested on developing electric bikes.I got 4 Hub motors, 3 of them works perfectly fine, but 1 that i recently got have an issue. I bought this in China, with an unknown specification. Also IT ONLY ROTATES 1 WAY. Even after powering it on with the controller, I...
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