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  1. pwd

    SOLD - YUYANGKING 36-72V 40A BLDC bluetooth controller - Canada

    **THIS ITEM IS NOW SOLD** YUYANGKING Bluetooth BLDC controller YKZ7240JN-B 36-72V nominal voltage working range works with most BLDC motors with hall sensors 12FET40A max battery current 100A max phase current Bluetooth programmable works great some of the extra functions like brake...
  2. pwd

    PWD's Yamaha XV250 Virago build

    I've got a 2012 Yamaha XV250 I want to convert to electric: My goal is to have an electric conversion I can ride around town (not planning for much highway use) for fun. My Grom clone build already fits this role but is not licensed and insured. I'd like to have something I can ride without...
  3. pwd

    VESC configuration for mid-drives

    I'm playing with a Makerbase 75200 VESC based controller with a Cyclone 3000 motor on a normal 10 speed bicycle drivetrain and I cannot smooth initial acceleration with ADC current control. I've got throttle mapping adjusted how I like but when I engage the throttle I get an aggressive "clunk"...
  4. pwd

    enclosure or case for VESC 75200

    I'm looking for an enclosure or case to make one of these a bit weather resistant since it will be exposed to the elements: The aluminum shell joins in half: ideally I would just replace the top half so I could keep the factory heatsink on the bottom. Maybe someone has 3d printed something?
  5. pwd

    Understanding gear reduction on a mid drive vs rpm/v

    I'm having a bit of a brain block and could use some help understanding this concept. On a mid-drive motor such as the Cyclone 3000W or pretty much any other mid-drive aimed for a bicycle; there is some sort of reduction from the main motor shaft to the chainring output. On the Cyclone; there...
  6. pwd

    SOLVED - I need help removing side plate / cover on QS260 hub motor

    UPDATE: Problem solved, I had a small 3 inch gear puller that wasn't quite long enough. I made some longer plates for it and used the 3 jaw puller on the brake rotor near the mounting bolts and the axle and the cover pulled off fairly easy. QS260 v4 hub motor The "cable side" side cover came...
  7. pwd

    SOLD FarDriver Nanjing ND84530 Programmable Controller 60V/72V/84V - Ontario, Canada

    FarDriver Nanjing ND84530 BLDC Programmable Controller 60V/72V/84V used and in working order including wire harness with Bluetooth adapter save taxes and duty (if buying within Canada) $325 buyer pays shipping; send me your postal code for a shipping estimate - price is in Canadian dollars
  8. pwd

    SOLD - FarDriver Nanjing ND84530 BLDC Programmable motor Controller

    SOLD - FarDriver Nanjing ND84530 BLDC Programmable Controller 350A battery / 530A phase used and in working order included new wire harness with Bluetooth adapter still in packaging was repaired once by SiAECOSYS $325 Canadian dollars buyer pays shipping; send me your postal code for a...
  9. pwd

    52V 28ah battery pack - Samsung 40T - Canada

    52V 28ah lithium ion battery pack - Samsung 40T 14S7P of Samsung 40T 21700 cells built in 2020 less than 100 cycles Never charged above 4.1V per cell Never discharged below 3.3V per cell Never exceeded more than 140A draw 320A Smart BMS (ANT) $850 CAD - buyer pays for shipping located in Ontario
  10. pwd

    Emmo Knight (Grom clone) salvage

    So I just acquired an Emmo Knight Turbo: Emmo (if you aren't familiar) are a run-of-the-mill cheap Chinese made scooter/motorcycle style ebike we have hear in Canada which are sold under different brands world wide. EDIT: I also see that this is the common Grom clone style of ebike; which is a...
  11. pwd

    swing arm for electric enduro bike style

    I'm having difficulty finding a replacement swing arm for an eeb style frame like this: needs to be a max of 155mm dropout or a minimum of 142mm clamping dropouts disk brake mount derailleur mount the only one I can find for sale is this but I don't want to pay $200 usd plus shipping...
  12. pwd

    How can I change output voltage on DC converter? - Solved

    I bought this converter (24-100V IN to 12V) but unfortunately it does not have an adjustable output voltage. Does anyone know how I could change the output voltage from 12.4V to ~14.2V? Yellow = +12.4V out Black = Ground Red = Input Voltage
  13. pwd

    Increasing controller input voltage - Infineon 4 / Xie Chang KH6XX

    I have this Infineon 4 / Xie Chang controller which was advertised as 48V and I've been using it up to 57V without issue. I'd like to get it working on a 72V setup (84V max). It is programmable via the xpd software. The good news is that the two largest capacitors and k150e10ne mosfets...
  14. pwd

    SOLD em3ev 50.4V (52V) 15aH triangle pack - Samsung 25R - CANADA

    em3ev 50.4V (52V) 15aH lithium ion battery pack $500 CAD shown wrapped in padding for protection 14S6P of Samsung 25R cells Smart BMS Purchased in June 2018 Has approximately 150 cycles on it LED charge state indicator lights works great XT90S discharge connector includes charge cable...
  15. pwd

    2x new old stock (March 2021) Molicel P42A 21700 - Canada

    I have two unused Molicel P42A 21700 cells available. Originally purchased from LiionWholesale.com in March 2021. I have written with marker on the cells but they have never be used in any way. $10 CAD each or both for $15 CAD Ships from North Bay, Ontario Canada at the buyer's expense
  16. pwd

    Can I fix this LED driver?

    I have these LED drivers which both failed after less than 5 hours each. My estimate is that they failed because they are rated for an input voltage of 10-80VDC but my pack is 86.1V full. I didn't notice when the first one failed but the second one failed when I turned it on via a simple on-off...
  17. pwd

    Cyclone 100 to 120 mm square taper bottom bracket / 44 to 46T plastic chainring guard

    The bottom bracket and chainring guard are both from a Cyclone mid drive kit but could be used on a generic setup. $25 CAD + shipping for the bottom bracket - ~178mm spindle length $2 CAD + shipping for the chainring guard w/ screws Ships from Ontario, Canada
  18. pwd

    LiitoKala Lii-500S Charger / Tester - Canada only

    I am only shipping to Canadian addresses. I have a LiitoKala Lii-500S unit purchased in April 2020 it is used but in like new condition with original box and power supply $30 CAD, buyer pays shipping or free pickup in North Bay, Ontario. I can give you a quote on shipping if you PM me.
  19. pwd

    What resistor value is this (16S ANT BMS)

    My burnt resistors on a ANT 320A 7S to 16S BMS from IC GOGOGO on AliExpress: I found an image of the same board but im not sure if it has the same current rating or if that matters: According to...
  20. pwd

    looking for programmable sine controller with flux weakening under $60 USD

    I'm on the hunt for a small (6fet sized) programmable controller sinewave controller that can do regen braking and flux/field weakening for under $60 USD. I'm planning on using 25A peak battery current and 70A peak phase current. I've looked at greentime and KT controller but it seems that they...
  21. pwd

    Need help using ATORCH DC 300V 100A Accurate Energy Meter

    I've had one of these for a while now but I can't figure out how to get the voltage to show up :? . Current seems to display OK. Has anyone used one of these before?: https://www.aliexpress.com/item/32827325908.html?spm=2114.12057483.0.0.505a2230UMffz0#feedback Here are the instructions...
  22. pwd

    18650canada.com

    Does anyone have any experience dealing with https://18650canada.com ? Thanks in advance
  23. pwd

    PWD's Rocky Mountain Blizzard - mid drive

    I'm finally doing it. I've been running hub motors since my first e-grin but I have never done a mid-drive. I like the idea of the occasional ride in the snow so I've also been looking into fat bikes. Here is what I recently acquired: My plan is to use a Cyclone 3kw mid drive motor @...
  24. pwd

    Crash Thread - lucky

    I was out for a quick run to enjoy the long awaited spring season. I've been working on my bike for months. I was anxious to see how me ebike performed up one of our city's main roads with a decent hill. It went well but I felt like riding more so I ripped around some more streets and was...
  25. pwd

    PWD's Rocky Mountain Element - 2WD

    I figured it was time to start a build log for my science project on wheels. :bolt: Here is my configuration as of creating this thread: (updates and changes posted on following pages) 2008 Rocky Mountain Element 10 Front: Magic Pie 4 with stock controller running at 25 amps peak Rear...
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