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  1. D

    'lightest.bike' 1.7kg 1000w mid drive

    The problem for me with bbsXX is the lack of torque sensor. TSDZ2 works fine, but reliabilty is so so. BBSHD is another level compared to this: it's a moped motor, this one is for ebikes (seen form this side of the Atlantic ocean :wink: ) I've ordered one and I'm happy to see their project...
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    New "TSDZ2 Torque Sensor Central Motor"

    Hi all, I've a problem with one of those motors (48V 750W vlcd5 with the open source firmware) I installed it on the bike, it worked ok for a couple of km and then it stoped. The controller is in short circuit. I've switched with another old controller, same result, short circuit after a couple...
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    'lightest.bike' 1.7kg 1000w mid drive

    In the comments they talk about 48V max, not possible with 52V (for the less than 1000W versions). See the answer to "Reid Joy": https://www.indiegogo.com/projects/lightest-ebike-kit-your-bike-with-superpowers#/comments I don't work for them, but I've ordered one and can't wait to get it :D
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    'lightest.bike' 1.7kg 1000w mid drive

    See the last update on indiegogo, they made AL fins in the case... https://www.indiegogo.com/projects/lightest-ebike-kit-your-bike-with-superpowers#/updates/all The 1kW version has an external controller, the internal goes "only" up to 750 nominal (1000W peak)
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    New Torque sensing mid drive

    I've contacted Shengyi some months ago, and they told me that this motor wasn't equiped with a torque sensor (as written on their website) but well with a cadence sensor. It was the same reference than the one mentionned by psw (CMT06). I'd try one 48v if I was sure it has a torque sensor. The...
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    2 speed (could be auto) gearbox

    I've found another option. I wanted a 2 speed gearbox like the RC ones, but with a manual clutch. Aaaand... I've found a scooter company that use exactly what I'm looking for with their ICE engines! It's The Uber Scoot Evo: http://www.evopowerboards.com/models/70X.html Here is a view of the...
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    Tsdz2 firmware open source adapted to vlcd5, vlcd6 and xh18

    Hi! Would someone have the original .hex file for a KT LCD3? As it looks easy to modify program the tsdz2 with this program, I'd like to have all the original functionalities of the LCD (odometer etc.)... Thanks in advance!
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    Can't get KT LCD5 headlight function to work

    On the last KT controller I've had in my hands, the light switching module that feed a light directly by the controller is absent. The only thing that is proposed (just by pswpower) is a light and horn fed by your battery trough a switch the light...
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    Shengyi CMT06, new mid-drive motor with torque sensor

    Hi all! On the Lingbei post, atomohodez talked about a new mid drive motor with torque sensor, the CMT06 from Shengyi Does anybody know something about it? It looks good... http://www.syimotor.com/productDe_91.html https://www.youtube.com/watch?v=NDNMb1dq270 I'm a bit fed up with my tsdz2...
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    New "TSDZ2 Torque Sensor Central Motor"

    Yes, I'll maybe try to change it as I have a motor for spare parts... I'll tell you what comes out of that "for the science" :)
  11. D

    New "TSDZ2 Torque Sensor Central Motor"

    Hi! I've been riding a tsdz2 for a while now, with the open-source firmware. It works quite good, not as good as my former bosch performance but it works. I burned the 48v motor some times ago, I hope because of some water that could get in the motor (the cover was not totally waterproof...
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    Battery stuff supplier

    My mobile phone is an old nokia c1, I'm sure I haven't visited that website on it :P
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    Battery stuff supplier

    Not this one, but really interesting, thanks :) Actually the one I'm looking for was selling a wide variety of balance wires and connectors, and that's the stuff I'm really interested in. I repair batteries, and sometimes I have to keep the original BMS because it communicates with the rest...
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    Battery stuff supplier

    Hello! Some times ago, I've visited a website and I can't find it back... I've been looking for it actively for a while with no result. It's a Chinese supplier of all stuff for DIY batteries. They sell heat shrink tube by entire rolls, a wide variety of connectors, BMS, chargers etc. I already...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Ok thanks a lot. I don't think I'd be able to code what needed, so I'll try to find a motor that fit those limits :wink: I'll surely open a tread over my build if it works...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hi Casahino! That's what I said: my bike is now powered by an opensource firmwared tsdz2. 36V motor powered by a 48V battery, it rides really nice. But the freewheel of my metal gear is stuck (after maybe 1000km), and I replaced it by a blue gear I had in stock that only lasted 20 km even if I...
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    Hello, and thanks for the great work ;) I currently ride with a tsdz2 motor with casahino's firmware, it works really well. But the thing is that I'm pushing the motor too far and I'm sure it won't last long. The cold weather acts as a good aircooling system, but I fear to fry everything in...
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    "Seahorse" connector

    Hi guys ! I'd like to find a connector that would fit on this plug, would someone have an idea? There is a seahorse printed on it. It must be from a big connector supplier as I've already seen those marks on plenty of other brands (BH for example). Thanks in advance :)
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    Display for chinese controller

    It looks like, but it isn't ;) On the one from bmsbattery, there is an output for a display (called meter). But here we don't have any. The only signals I could get are: Instrument: Thin Green(Instrument signal) Speed : Thin Brown(Low Speed signal)/Thin Black(Speed Signal input)/Thin...
  20. D

    Display for chinese controller

    Hi all, I repaired a scooter with a controller that we had for 2 years at my work. It's a 72V 1200w controller, as this one...
  21. D

    New "TSDZ2 Torque Sensor Central Motor"

    Hi guys! Do you have a solution to get a 48 (or 46 or...) teeth chainwheel with an offset to get the same Q factor? Thanks :)
  22. D

    Bafang BBSxx - fault finding and fixes

    Hi guys! I have a strange problem on a BBS02. The speed shown on the display varies quite much, just when I'm on the 8th and 9th modes. By varies, I mean it's not stable, it goes from 30 to 50 km/h in a second. I don't have that problem in the other modes. Dou you know what it could be...
  23. D

    New "TSDZ2 Torque Sensor Central Motor"

    I just gave my experience :) Maybe I should try again to see if it does the same again, but you'll have to offer me a beer for my effort :P
  24. D

    New "TSDZ2 Torque Sensor Central Motor"

    Hi all, I have bought one of these motors (48V 750W) a couple of weeks ago. I tried my first commute with it last Monday and all I have to say is that I'm not that happy with this thing. First, I never got 750W, well round 700 when the battery is full. Never give me more than 14 amps whatever...
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    Bosch Batteries

    It's quite easy, just a bunch of wires to solder (in the right order). This kind of BMS would do the job: here At least your battery will be protected, and you too... I'm sure there are plenty of subjects here or on the wiki that explain you how to install it. Here are some pictures of the 500...
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