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  1. danielkr

    2000W 48-72V DC brushless controller wiring help

    You have to think like Chinese. They write in pictures. Two Rounds. What's round? Wheels. So 2 "wheels." ... Of tube 12-18. So, two wheels of size 12" and 18", connect this one. I'm guessing it will mitigate torque on launch or affect the operation of EABS for the smaller wheel...
  2. danielkr

    Tdpro "brainpower" motor controller help

    I'm looking at this controller again tonight next to a stack of those hybrid bus cells and thinking of having another go at it. Thanks markz I'll let you know how it turns out. Daniel
  3. danielkr

    Tdpro "brainpower" motor controller help

    Hi, I'm no stranger to wiring motor controllers for e-bike. It's a 48v 1800w brushless motor controller ebay item # 302254514683. On this controller, I have shorted power lock, this gets the right things turned on; connected throttle, measured for correct operation; halls and phase wires...
  4. danielkr

    Is this bike scoocum enough for 48V 1000W RWDD motor? y/n

    That confirms my fears - forcing this purpose-engineered component to serve an additional purpose not in the original design specification might give me problems later. Unless I can come up with some decent triangular support for this battery weight I'm going to need to move on. Daniel
  5. danielkr

    Is this bike scoocum enough for 48V 1000W RWDD motor? y/n

    I have purchased the motor already, it arrives by Saturday evening. I haven't bought the bike yet, though. The bottle mount points are under the frame (you can see the studs in the photo you linked), is that what you meant by "traditional"? I only ever go about 5 miles at a time, and my...
  6. danielkr

    Is this bike scoocum enough for 48V 1000W RWDD motor? y/n

    I read the "before you post" post and i know this isn't steel but i do plan to use double torque arms. Would this be safe at 30 MPH with a 170 lb rider and 48 Lithium cells? Would you feel safe pushing it to 40 MPH? I didn't test ride it yet the tires seemed out of air at the shop but it felt...
  7. danielkr

    Motor upgrade help Yukon Trail Inc. SM24

    I thought I had started with a good foundation. I saw value in the frame because it had been designed for the purpose of being an electric vehicle. That sturdy rack really stood out for me as well; the extra pipe at the bottom; it is all steel, and that bottom tubing is fat. When I measured...
  8. danielkr

    Motor upgrade help Yukon Trail Inc. SM24

    I know, I shake my head every time I look at them. But those Tenergy cells, Wow, affordable!!! At that price, I'm probably only two weeks away from starting to build a lithium pack. A few hours of overtime is all it would take... THANKS I say that is spirit lifting, as tonight I've been...
  9. danielkr

    Motor upgrade help Yukon Trail Inc. SM24

    amberwolf, thanks for the brake ideas, I especially like the idea of fitting brakes to the trailer! I hadn't thought of that before, and with so much mass trying to keep the bike moving when I try to stop, it makes a lot of sense.
  10. danielkr

    Motor upgrade help Yukon Trail Inc. SM24

    When I first got this bike, second-hand, first thing I did was take the batteries out and use the space for a 48V 1000W controller; then, I got two wire baskets and hung them like saddlebags off the rear rack with a pair of 12V 17Ah SLA batteries in each one, and cruised around for about two...
  11. danielkr

    Motor upgrade help Yukon Trail Inc. SM24

    Hello, I need a motor upgrade for the subject e- bike. I'm trying to get to at least 750W. The bike has 175mm dropout, the hub has a drum brake on the left side and a single freewheel? (its a one sprocket that spins free when not being driven by the chain? not sure if thats the right word)...
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