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  1. J

    recommended RC-style motors for ebike applications?

    Am curious if there's a handful of smaller BLDC motors that have been well adapted to eBike applications? (under 1500W) Ideally in that $50-100 range. I see the Astros - but a bit pricey at $400ish - and many, many youtube videos of other things that don't really give an idea of how long...
  2. J

    difference between VESC and KT controllers? (open source)

    If wanting customization / FOC / all the good stuff having been developed in both, Kind of curious why one would opt for the big KT controllers? The VESCs are higher voltage (normally) - much more available in the US, the programming software seems more refined - and hardware is fully open...
  3. J

    recommendation for DD hub motor for 20" wheel

    Hi, any relatively inexpensive (<$150) hub motors that are known as good? (USA) There seemed to be a lot of vendors on ebay / amazon before in the low $100s for DD hubs, but these are all at $200 or so now, complete kits, and I only need a hub. Preference toward better, known quality. Weight...
  4. J

    8mm connector -- for xiaomi m365 -- where to find?

    Having trouble trying to find these connectors, OD is 8mm, there's a 2 mm center pin in this like a standard 5.5mm/2.1 (female), ID is about 6mm. No ebay, etc. for this specific size. It's the same plug shown on this ebay listing for a charger...
  5. J

    regeneration with "cheap big" hubs -- just the controller?

    There are a lot of the $150-$200 kits for a 36V-48V rear/front hub, the heavy ones that are like 15 pounds or so. Many don't say if they support brake regeneration or not. But I'm curious - for these, like this: https://www.amazon.com/gp/product/B073JCZWKW/ref=ox_sc_sfl_title_2 is it usually...
  6. J

    hoverboard/scooter lithium chargers -- "normal" Li chargers?

    I bought something like this (2A 36V charger), https://www.amazon.com/EVAPLUS-Adapter-PowerFast-3-Prong-Connector/dp/B01NBTIB66/ref=pd_sbs_468_3? to charge a 36V battery. I measured the unloaded voltage as being high ~65V, which I thought may just be there because unloaded, but then tried...
  7. J

    where to buy BMS? reputable aliexpr / ebay seller?

    Seems many of the packs being sold are integrating the same style BMS; I tried to find this in the sticky information : Which vendors are the reliable ones for BMS's? Here are two that seem to have BMS's that have popped up in packs that are being sold. Thoughts or comments on these? I...
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