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    MH RYZ (derbi 50cc)

    Hi , the sprocket is a lill bite wider and yes is tapered but it works good enough. Its from a UK store , search for MightE. Some other good stuff there also.
  2. G

    MH RYZ (derbi 50cc)

    It runs. Had to turn aceleration ramp down to 20 in kelly controller cause was way to wild , i just couldnt ride the bike witout spinning and lifting front wheel from start lol. Just need some minors astetics to be finish.
  3. G

    MH RYZ (derbi 50cc)

    Here my shtty schematic lol but good enough for you to have a ideia how it works. This group is for sharing and help so i will do my best.
  4. G

    MH RYZ (derbi 50cc)

    Its alive! Had to change front suspension , dint like the pit bike suspension. Have install a contactor and a pre charge system. BMS display had a small fall but still works.
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    MH RYZ (derbi 50cc)

    Been busy and also waiting for new soldering iron . 200w. Still more parts to come.
  6. G

    MH RYZ (derbi 50cc)

    Thanks for the info my friend. The controller i got is the kelly kls 7250 n witch is 380amps probably phase amps. Been tweeking the controller and is very responsive now. I also got a asi 8000 from other build but cause the asi was from alan , got no credentials! What do you think about this...
  7. G

    MH RYZ (derbi 50cc)

    Start building the pack. Lithium aint joke so guys be carefull.
  8. G

    MH RYZ (derbi 50cc)

    Got 200+2 cells for 990,79eur with postage for a 20s10p (2880w nominal)
  9. G

    MH RYZ (derbi 50cc)

    Batteries fron Nkon.nl are here. Tested voltage and 160cells come with 3,47v and 40 cells come with 3,46v. Very good quality.
  10. G

    Trials Motorcycle - 1st Build. Qs-motor +Votol

    Hey hope you bether. Hows the project going? I love that magnet kill switch , is NC or NO when magnet in? Trying to figure out the wiring.
  11. G

    MH RYZ (derbi 50cc)

    Hey hope you can have some ideias from the build. I use all the bolts , at beginning i did mistake when doing the holes for the motor support and had to drill new ones lol. The motor is bolt with a aluminium plate in one side and the own motor bracket is bolt in midle of frame , hard to see. I...
  12. G

    MH RYZ (derbi 50cc)

    Hi there , will be a 10 front sprocket wit 59 tooth rear sprocket so will be a 1x5.9 gear ratio on a 17 inch wheel. What you guys reckon? bike under 70kg with a qs 138 4kw motor , kelly kls 7250 400 phase amps and 20s10p 21700 samsung batteries. I notice that the controller only comes with a...
  13. G

    MH RYZ (derbi 50cc)

    Some progress. Had to adapt wheels suspension , etc. Not easy task but have to be done and voila!
  14. G

    KellyController Setup Video Tutorial

    Hi , seen the videos and they explain very well all the basic setup. Muchas gracias
  15. G

    Kelly KLS14401-8080IPS pre-charge

    Thanks thats good info.
  16. G

    MH RYZ (derbi 50cc)

    Motor and controller in place , still waiting for batteries to come. Next gonna mount some front suspension and wheels.
  17. G

    MH RYZ (derbi 50cc)

    Been repairing welds and grinding so i can paint the frame. Damm its hard to grind in small spaces! Looks so much bether with some paint on it.
  18. G

    MH RYZ (derbi 50cc)

    Hi , no chanse for road legal unfortanly. Thats Portugal! After installing the seat , i have to say i love , the mods i did to the frame chassis worked well. Gonna order 202cells 21700 samsung 40t .
  19. G

    MH RYZ (derbi 50cc)

    All the weigth gonna be in the midle of the bike and is also compact. Still lower center of gravity than original bike with full gas tank. I reckon the bike will weigth less then 70kg. 21700 samsung 40t cells? They are avaiable in nkon.nl store.
  20. G

    MH RYZ (derbi 50cc)

  21. G

    MH RYZ (derbi 50cc)

    I think i may go with 20s10p 21700 batteries. What do you guys think of this shape?
  22. G

    MH RYZ (derbi 50cc)

    Controller mounts done , now need to figure out the battery design
  23. G

    QS 3000w midmotor

    Yeah i will do it like you said, im just waiting for bether quality tool. Got a 10 tooth tapered custom made from uk on the way. Its a bit longer in the shaft but is probably the only choise at the moment.
  24. G

    MH RYZ (derbi 50cc)

    I used a stick welder with 3.2 mm electrodes at 110amps. Order already some 2mm to try. The welds was not finished and clean. I think the mig is probably the best option.
  25. G

    MH RYZ (derbi 50cc)

    Lol i hate it to but im still learning welding. They look ugly but they are strong enough. Still need clean and repairs missing welds.
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