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  1. Allex

    Sur-Ron - New Mid drive Bike

    coulometer? Whats with this word and usage? Why all of the sudden peeps starting to use a coulometer instead of a wattmeter? "Coulometry determines the amount of matter transformed during an electrolysis reaction by measuring the amount of electricity (in coulombs)" We are not doing the above...
  2. Allex

    Leaf / leafmotor / leafbike high efficiency 1500w motor

    I have yet to open it, but dont want to open it just to look for the type. I bet some1 has some pictures here or info on what to get.
  3. Allex

    Leaf / leafmotor / leafbike high efficiency 1500w motor

    Can some one give me the bearing types in the leaf 35mm? thx
  4. Allex

    kWeld - "Next level" DIY battery spot welder

    Now thats how welds should look like, no burned stains around the middle spot. Shows that the pwr spurce can give enough juice so the pulse is very brief.
  5. Allex

    kWeld - "Next level" DIY battery spot welder

    Those welds do not look good at all. Just melted and not actually welding. What I think happens is that the current is so low from the battery that the kweld needs to do a longer weld and thus overheating. My battery gives me almost 2000A at 3,6V per cell (7,2V total i 2s config) I even need to...
  6. Allex

    Open Source e-Powered Paraglider forum

    Aand its off
  7. Allex

    kWeld - "Next level" DIY battery spot welder

    Ok, lets hold our horses now. First of all, what is this in the red ring? What I see is a thin wire that is Soldered to the cable shoe in one and then soldered to a plug on the other end. Then, it is soldered again before it goes to a wire. There is so much losses in this connection that I...
  8. Allex

    E-S Stealth Electric Bike Owners

    A good battery should see about 5V drop at 100A Thats what I am getting with mine that has 5pcs 21700 Samsung 40T in parallel. Sure that the sag will be even less so if you have more Ps It is not only the cells that matters but also the layout and all the connections are extremely crucial. Very...
  9. Allex

    Sur-Ron - New Mid drive Bike

    ANy will do I use different depending on the cells. mostly i Use 20s 300A version though. The thin one.
  10. Allex

    Sur-Ron - New Mid drive Bike

    Sure, I use ant BMS with them.
  11. Allex

    E-S Stealth Electric Bike Owners

    I dont even know, I guess normal, or linear. Whatever is default on that thing. Reason why it is heavy is it is probably potted, so filled with material to make it waterproof. as for phase. I use 90battery/250 phase on my 12f but it only peaks at 200 during my rides anyway. you can easily see in...
  12. Allex

    E-S Stealth Electric Bike Owners

    Other nice thing is that you can throw two of your favorite measurement to main display, want the used or remaining Ah/Wh to be shown? You can put it in. You want max speed or voltage, yeah that works too.
  13. Allex

    E-S Stealth Electric Bike Owners

    Nice that you got the NUC now. At the beginning is seems very overwhelming, but you will get there, it is easier than lacing up a wheel. Also join their telegram chat group, you will get help very fast with over 400 members. Link: Nucular Electronics What I have connected is: Screen to the...
  14. Allex

    E-S Stealth Electric Bike Owners

    Why you hear the sound from QS motor might depend on the stright stator. The old crystalyte had an angeled stator that prevented this... is my theory.
  15. Allex

    E-S Stealth Electric Bike Owners

    TV, you never metioned that, after controller swap, the buzz from the motor is now gone when you are driving.
  16. Allex

    E-S Stealth Electric Bike Owners

    Thx for kind words TV! So next upgrade would probably be... the battery again is my guess. Specially if you would go with nuc controller later on.
  17. Allex

    DALY BMS Teardown & Failure Review (16S 40A)

    I get them of Ali. ICgogogo store there is legit Up to 24S and up to 450A They come in many different shapes also, just search for "ant bms" on Aliexpress "Big ones"...
  18. Allex

    Sur-Ron - New Mid drive Bike

    vB3wpPkQOaE
  19. Allex

    DALY BMS Teardown & Failure Review (16S 40A)

    Ever tried Ant BMS ? They come in different flavors and all with bluetooth. Personally I like them better but this is just because the balancing function works better on them. And they are usually cheaper than Daly
  20. Allex

    Adaptto Mini-E/Max-E Owner's Thread

    I sent in a few this summer. But I think it was the last repair they were willing to do. I can check with them... https://syqiq.tech/en Is their new company.
  21. Allex

    E-S Stealth Electric Bike Owners

    Nice work TV! I bet you dont use the full potential of this controller? I mean the settings may be a tad concervative now?
  22. Allex

    Sur-Ron - New Mid drive Bike

    codes are avail on internet just google https://sur-ron.ch/pdf/Light_bee_L1e_blink_code_EN.pdf
  23. Allex

    Open Source e-Powered Paraglider forum

    Thats the one!
  24. Allex

    E-S Stealth Electric Bike Owners

    https://www.aliexpress.com/item/1005004411184746.html?spm=a2g0o.productlist.0.0.43bb2ef7aBQpYb&algo_pvid=1c485d12-ee3d-4594-aea5-563bd19eac33&algo_exp_id=1c485d12-ee3d-4594-aea5-563bd19eac33-5&pdp_ext_f=%7B%22sku_id%22%3A%2212000029088016841%22%7D&pdp_npi=2%40dis%21USD%2171.25%2154.15%21%21%21%21...
  25. Allex

    Open Source e-Powered Paraglider forum

    Woohoo, just got this thing (sp140) delivered!
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