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  1. J

    Electrifying roadbike - q75

    Update & follow up after many years. I was using this road bike converted to electric as my main bike and only ebike until 2020. Then I felt the need for wider tyres and purchased components to build "gravel"bike with 650b wheels. I considered the e-assist that useful that I wanted to have...
  2. J

    Hub motor with dual motor and planetary gear - CVT

    Hub motor with dual motor and planetary gear. Does such thing exist? If not, why not? In automotive for example Toyota Prius is using planetary gear with ICE and electric motor forming Continuously Variable Transmission. And Revonte has developed an e-bike mid drive with the same idea using two...
  3. J

    Charger - Adjusting the charging voltage

    Thank you both. That is helpful info for me.
  4. J

    Charger - Adjusting the charging voltage

    Hi All, Few years ago I purchased ebike charger EMC120 from BMSBattery. I dont see the exact model anymore on their Eshop but mine looks like one of these with aluminium casing: https://bmsbattery.com/18-series-c-chargers When I purchased the charger I was able to choose the charging...
  5. J

    Electrifying roadbike - q75

    -dg, I have never ran it with full 12s. I sometimes just add 1s in series to my 11s when the 11s has less than half charge.
  6. J

    How hard Q75 can be pushed

    Few days ago I saw over 400 watt readings on my display for the first time. While climbing I only "fake pedaled" and let the speed come down. During this the motor cut off for few seconds, so maybe it was the current limit kicking in.. Actually my motor/controller is doing this every now and...
  7. J

    Who has blown up a Q100H?

    Thanks for the info d8veh. I dont see q100 listed on Elifebike´s webpage. Only q85 and q128. http://www.elifebike.com/peng/pic.asp?ModID=PicS224&TypID=S220066 I think previously they had q100 as well. I might ask them once I have bike to which to install the motor.
  8. J

    Who has blown up a Q100H?

    I assume the throttle is also controlling current not speed on those controllers? Are these same controllers as BMS BAttery is selling? BMSBAttery has only small 250 watt and then bigger, starting from 35 A, controllers. I wish this pswpower / elifebike would sell also q100 motors since they...
  9. J

    How hard Q75 can be pushed

    I have same controller and display as A.dam. 700cc rim, 201 rpm Q75, 11s battery from 18650 cells, 45,4V from charger. I have never seen watt consumption starting with 4 on my display because I am never using the motor on really low speeds. Something like 350-380W I see often on hills. Do you...
  10. J

    Pairing Q75 with LSW-675 NOT S06P

    I have only PAS, 8 poles I think, from BMS Battery. am thinking to get throttle as well. Also for the reason to have some spare in case the PAS breaks.
  11. J

    Pairing Q75 with LSW-675 NOT S06P

    Hello, I am using Q75 with LSW-675. Works great(,I dont know how it is with really slow speeds since I m never using my motor at slow speeds). Check my thread: https://endless-sphere.com/forums/viewtopic.php?f=3&t=75991
  12. J

    Electrifying roadbike - q75

    Hello again, What are the chances LSW-675 controller https://bmsbattery.com/ebike-kit/543-36v250w-lsw-675-sine-wave-controller-with-lcd-ebike-kit.html will handle 12s Li-Ion battery? Currently I have been running it with 11s3p charged to 45.4V without any issues. Capasitors are marked to be...
  13. J

    Electrifying roadbike - q75

    chas58: I have only PAS and small display where I can choose the pas level. On a long open road PAS+speed limiting controller is actually quite good(on my previous posts I was complaining about speedlimtng controller). For more urban riding I would like to have current limiting throttle or...
  14. J

    Electrifying roadbike - q75

    Here is a picture of my bike. On the floor you can see the "battery rack" which is normally attached to the mountings of water bottle cage on seat tube. Then I just slip the battery in it and secure it with rubber band and reusable zip tie. In the summer I did trip to Czech republic(have...
  15. J

    Electrifying roadbike - q75

    I have now been driving with my new e-assist for few times. I was surprised how quiet it is. Only on steeper hills I hear quiet whirling otherwise nothing. Even more surprised that I didnt manage to get the motor warm at all. Rode some bit steeper hill up and touched the motor and it was cool as...
  16. J

    Electrifying roadbike - q75

    Good to hear good things bout Q75. I have been reading German pedelecsforum.de with googletranslator and there are few guys with Q75 + LSW-675 setup and they seem to be happy with it. Finally my project also has seen progress. I have build 11s3p battery pack from LG 18650 cells and laced the...
  17. J

    Electrifying roadbike - q75

    Hello and thanks for the interest of this "project" :) I ordered the Q75 with LSW675 controller and LCD + some other stuff from BMSBattery already some days,, weeks ago. I will definitely post here how it works for me once I have the motor running, if bmsbattery manage to deliver my order...
  18. J

    Electrifying roadbike - q75

    If Q85 would be wider I would consider it. Q100 weights already more than 2kg and I feel that adding more than 2kg to the front wheel of a bike that weights less than 10kg is already quite much. You might be right that Q75 gives so little that its not worth all the hassle(I have been also...
  19. J

    Electrifying roadbike - q75

    Thanks for the replies, According to BMSBattery that is exactly the difference between Q75 and the other Cute motors. Q75 is sensorless and other quties with sensor. If Q75 would have sensor then I would have more options for controller. (also I remember reading, maybe from Pedelecs, that guys...
  20. J

    Electrifying roadbike - q75

    For few months I have been reading ES and other sources to learn about different options for e-assistance. I have a road bike with aluminium frame and fork and 25mm & 28mm 700c tyres on it. I want to point out that my goal is not to build a bike which climp hills or goes 40 km/h without...
  21. J

    newbie to e bike building- battry controller compatability

    Or do you know the same for S06P controller? If it can handle the voltage of 12s Lipo, 43,2v Nominal.
  22. J

    newbie to e bike building- battry controller compatability

    Does anyone have information if LSW-675 controller will work with 44v battery? I am planning to use Q 75 36v 201rpm front hub motor with 12s LiPo battery pack. It seems there are not many controllers which will work with sensorless Q75. I have understood that sine wave controller could be...
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