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  1. M

    Doesn't make sense.. does my battery broken?33mΩ too much ir??

    Didn't used my e bike for couple of months tried them today, seem like my bms cutting on heavy load and shutting off the e bike. Opened the battery up, no swallow or any change in lipo condition. The setup is 20S 16Ah with 50A controller. So 3.125C draw at most. Checked their ir: what do...
  2. M

    10s bms with 13 "sense" wires??? (+yellow and white)

    hi Trying to help a friend to fix his battery.. found that bms is dead. it's a 36V battery.... Found an old 10s bms lying around in my box. The problem is that it's have 13 sense wire instead of 9-11.. there is yellow and white wires at the end. From what can i see the yellow connected to the...
  3. M

    LOCKED WOT THROTTLE! what could cause this?? (crushed)

    Hi I was riding yesterday in full hard rain, suddenly i was coming to turn and i left the throttle and the regen didn't kick in, i tried to stop by breaks but felt the engine fighting with me, came closer and closer to the turn, gave a little touch to the throttle to try change the"fixtion" of...
  4. M

    can i use 22s bms on 20s battery (lipo) by just paralleling

    Can i use 22s bms on 20s battery (lipo) by just paralleling the 20 sense wire into/to the 21 and 22 pins??? I accidentally ordered 2 * 22s instead of 2*20s bm's... it's the chea's ali ones... Here is a link...
  5. M

    are those good hall sensor to buy? looking for recommendati

    https://www.aliexpress.com/item/Free-shipping-100PCS-100-New-Honeywell-SS41-SS41F-HALL-EFFECT-BIPOLAR-SENSOR-IC/2025251971.html?spm=2114.search0104.3.1.Uom7MQ&ws_ab_test=searchweb0_0,searchweb201602_1_10152_10065_10151_10068_10084_10083_10305_10080_10304_10307_10082_10081_10177_10110_10137_10111_...
  6. M

    hi, CA EXPERTS, how can i make the CA show half voltage?

    u know... the usual stuff.. cops and shit.. :evil: it's v3 dp (connect straight to controller), tried to play with the rshunt value but watt changed and voltage stayed the same.. thx
  7. M

    what am i doing worng? relays got hot without load..

    hi guys, got me 2 little relays from the store want to check them out. one is 250v ac 10a. the second said 0.6a 125vdc, 0.6v dc, 2a 30v dc. my battery is 74v. when connect the battery to the poles of the relays both of them got very hot in like 20 seconds even there is no load yet because other...
  8. M

    Plase help me connecting my mt5e brakes to greentime cntrl

    hello everybody, So i got the mt5e higo opener. Which mean it's open all the time and when i press one of the lever it's cut the circuit. In my greentime controller i got 2 options: 1. one yellow wire connector - break HIGH - need 9v+ to go - if i move the electricity though the ebrake, it's...
  9. M

    does the hall positive is the + for temp sensor?

    hi i have mxus 3000 without temp sensor and want to add one.. so i have kty which doens't care about polarity.. just connect the red wire from halls to one of his sides and the other side to controller\ca? thx
  10. M

    is it ok that halls sensor wires have continuely?

    hi so later to this thread: https://endless-sphere.com/forums/viewtopic.php?f=2&t=87583 i've found that the black and the yellow wires of mt halls sensor have continuously.. (not big, resistance like 250,000) i cut the wires and tested the hall sensor legs and it's still have continuely...
  11. M

    mxus won't spin right after fix

    hello My adaptto melt all my wires in mxus v3 3t in the middle of ride. Hub was hard to spin and have to walk home and was pretty hard pushing it. So opened it, removed all the wires and switched it to bigger wires. So i'm preety sure my problem now is mechaincal. Becasue sometimes after i open...
  12. M

    my hub heating up controllers????

    hi guys, i have a brand new qs 205 v3 15.6kv. i pair it with adaptto controller and the controller heat up really quickly.. So i thought it must be the controller so i send it to fixing... twice! And then today i remembered i have a 45a spare controller too. so i pair it too.. And it's too got...
  13. M

    power calculation that got me thinking (p=v^2 /r)

    Let's assume we got a legal 36V 250W system, that mean that if we use the P = V *I --> 250W = 36V * I --> I = 6.94A. Now i'm taking the battery out and replacing it with 48V battery, same controller, same motor: P = V * I --> P = 48V * 6.94A = 333.1W but, if i'm taking the P = V^2 /R so now: P =...
  14. M

    fork installistion, ring too big?

    https://youtu.be/WZCoMQdst6k
  15. M

    Very basic question in electricity that i want to understand

    (click on it to get larger pic)
  16. M

    is that ok using rear moto tire as front tire?

    hey guys, is there a problem putting 2 rear moto tires as rear and front on my ebike? saw this guys: http://www.sportsbikeshop.co.uk/motorcy…/content_prod/180432 and it's selling in my country for honda innova so i could probably get them without a lot of troubles. Just that it's defined as...
  17. M

    plugged battery,throttle and phase wires.. nothing happen..

    what should i check next? https://www.youtube.com/watch?v=WmEpeC9DCY0
  18. M

    How do u check that ur lipo's batteries are good after buy?

    i'v been reading this post: https://endless-sphere.com/forums/viewtopic.php?f=5&t=43325 Seem that a lot of lipo's coming with bad cells... So, if let's say i'm buying 10-20 bricks how can i check that all the cells in it are in good condition before start wiring them?
  19. M

    What do u like more? bricks vs chaining (lipo configuration)

    what i mean is this: It's seem to me that everybody like better the right configuration, but i like more the left one. What is the advantages and disadvantages of every one?
  20. M

    what is the best combo for 50-60 mph (continues) ebike?

    hi little about myself.. i have trek 3900 60V 31ah with 45a controller and 1500W leaf motor capable of doing 40-43 mph on the flat pretty easy. Right now i'm in the middle of building folded bike with 1000W hub on them and starting to think about future project :) so.. my range need will be...
  21. M

    What do u think about using bigger rotors than recommend?

    Hi My ebike is about 35 kg and with me its about 115 kg. So as I need good breaking power.. The original rotors are 140 160 and now I'm having 160 160 and itsnt inaf.. I want to put 203 in the front but in rst manual.its mention that "max recommend rotors 180" for all their forks.. So im...
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