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  1. L

    Winding Question: does STAR make more torque than DELTA, even with adjusted phase current?

    I'm not sure I follow your logic but I think you need more turns in delta to get same kv, not less(if everything else in motor stays same) Edit: And when you adjust winding turns in motor to get same kv, you would also get same kt. So 7 turns in star vs. 7*1.73=12 turns in delta...
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    Aprilia rs 125 conversion

    Thanks! I did find right connectors with those, mostly from aliexpress and other chinese sites though. Maybe I have to order them anyway. That is good to know, no need to panic if that error shows up.
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    Aprilia rs 125 conversion

    Haven't done anything with the bike since I last posted but some parts have arrived. Chinese throttle and light switches, feels pretty good considering cheap price. Dc/dc converter is 30A model and should be isolated, it's big and heavy but should be plenty enough. Controller packaging was not...
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    Aprilia rs 125 conversion

    Registration papers I have, say weight of 137kg and internet says anything between 129kg(dry) to 142kg(probably with full tank). I have seen that done with bms and those ready made ones amberwolf mentions, both look little sketchy and was hoping to find something better. Ennoid bms (and its...
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    Aprilia rs 125 conversion

    Long time lurker here, I have been planning this project for many years but never found the cheap motor that would do what I want. Bought this bike non-runing 6-7 years ago, I did get it to run after fixing some really odd things previous owner had done. Last week I finally took it from my dads...
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    GNG, 1000W 48V BB-drive, $400

    Thanks for fast reply, Yes I have been reading this forum for many years and already know this :) I was just hoping that someone is already using that same controller and could give me some advice? What do you think should I change the phase wires, I'm going to push 45 amp there for very short time?
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    GNG, 1000W 48V BB-drive, $400

    i'm going to upgrade my gng-kit and was just wondering if I can just plug-in that controller: http://www.ebay.com/itm/72V-1500W-brushless-controller-for-E-bike-scooter-/300813212040?pt=LH_DefaultDomain_0&hash=item4609dd5988 connectors seems to match up, but is this a right combination?
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