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  1. P

    Kelly KEB controllers, how are they?

    Im thinking of buying av Kelly KEB72101U. Should have 180amp cont, and 450amp bursts. How are the startup torque? Are they possible to program so they have burnout capabilities (Meaning the amp is delivered instant)? Can they be used with both sensorless and sensored motors (Most brushless...
  2. P

    EMI/RFI Dangerous?

    I have made a gokart. Rather powerfull i would say. It weights around 160-165kg. 700amp and 180volt. And I have recently been thinking about the EMI/RFI. How dangerous is it to sit so close to such much current rushing trough to the motor siting right behind me? Best Regards Thomas :)
  3. P

    Brushes, where to buy? For Prestolite MTY4001 forklift motor

    Does someone know where i can buy brushes to my Prestolite MTY4001 forklift motor?
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    Advance timing Seires Wound Motor Brushes.

    Can someone tell me how i can find out how much my forklift motor brushes is timed? Some say im loosing alot of torque due to advanced brushes. 30% advancement decrease my torque with as much as 80%. Here are a Picture of my brushes, can someone just by looking at them see the degree of...
  5. P

    Sanyo 25Ah nmc Voltage Drop

    I have Sanyo 25ah cells from an VW e-up. I did 12s1p in a gokart, pushing 600amp. The volt dropped from 47v to 39v... Fully charged 1cell is 4.1amp. How much volt sagg is allowed?
  6. P

    Evnetics Soliton Jr. Throttle problem?

    I have an Evnetics Soliton JR. Controller. When i calibrate my throttle at min. it says 0%.... Thats ok. But when calibrating max. throttle it only says 69%. The throttle is all the way down. Does that mean i lack 31% Power? What could be wrong?
  7. P

    26650 battery holder ok

    Does someone know the quality of these https://m.alibaba.com/product/60139448995/Universal-26650-Battery-Holder-for-DIY.html?spm=a2706.7843299.1998817009.57.QrwEiS I want to build large 6s10p packs.
  8. P

    Fake or genuine A123 ANR26650M1B - Grade A

    Ive contacted a dealer on alibaba.com saying these are genuine ANR26650M1B Grade A from USA. What do you guys believe?
  9. P

    Battery connector 600amp

    How is it to use these connectors on a 600amp burst battery pack...
  10. P

    Making A123 anr26650m1b battery pack, need help!

    Hello, Finaly im making 6x battery packs 6s10p for ANR26650m1b. (3.3v, 2.5ah) Each pack will then be 19.8v and 25ah. I need to know where and what Components i need to buy to put each pack together. These packs can burst over 750amps and in totalt 120v together in series. So i believe i need...
  11. P

    How to easily make A123 ANR26650 packs

    Hello, I want to make 6 packs of ANR26650. Each battery is 3.3v 2.3ah I want each pack to be 6s10p. And later connect these 6 packs in series so i get 120v. Is there any easy way to make these with some set. Like this: http://vruzend.com/wp-content/uploads/2017/04/no-spot-welding-1024x951.jpg...
  12. P

    Building many smaller A123 packs (NO BMS) and add them together

    I was thinking of making several A123 ANR 26650 packs. (3,3v nom and 2300mah, each battery) Im considering having 6 packs, each of the battery pack with 6s10p. 1 pack would then give around 19.8 nom volt and 23AH. I want to connect lipo low voltage alarm to the 6 packs, so i can hear the alarm...
  13. P

    Evnetics homepage down?

    Someone else experience that the www.evnetics.com is suspended? Why is this?
  14. P

    Serial brushed motor and rpm running wild.

    Hello. Ive heard that serial brushed motors will spin to death if not applied resistance. And if the chain breaks they will destroy themselves kmin seconds. Ive heard i can attatch some sort of overspeed protection What is that and where can i buy those?
  15. P

    Brushed motor. Rust on brush wire

    Does this rust affect performance and or negativ impact on the motor? Or is it mainly aesthetically? i other word, not nice to look at :)
  16. P

    Modify controller to handle more volt

    Hello all, Ive bought 2 Controllers (48v 30amp) Ive modded the shunt, but i have problems adding more volt than 48v to one of them. They are pretty much the same. They are made for cheap Electric scooters. Like Evo scooter. One of them can be overvolt as much as i want, but the other only...
  17. P

    Sabvoton ssc72150 unlocked to 200amp.

    Ive heard of success stories of people unlocked these controllers from 150a to 200a. But noone has told me how its possible. I know they can do it when you order from factory, but there got to be some other way too. Someone knows?
  18. P

    Powerfull HUB motor under 500dollar

    Which hub motor will fit a normal sized bike and give an insane torque and good speed combined with 72v 150amp controller? I want something that can wheelie, and also have pretty high top speed.
  19. P

    Possible to make a trapezodial motor run on sinusodial cont?

    I have a Trapezodial Boma motor i would like to run on a sinusodial Controller. Is that possible? The Controller is a Sabvoton SSC72150. Can the hall be changed to fix this or what?
  20. P

    Sabvoton controller and Boma motor setup

    Has someone connected these two components together. Im having a hard time getting it to "Hall angle test: ok" I dont know if its my hall angle which is wrong, hall wire or phase wires, but it just dont want to go past "Test fail 4 or test fail 3" My current is set to 15, my angle is set to...
  21. P

    Sabvoton SSC072150 no 5v readings "hall fault"

    Hello, Ive conneted my battery, throttle, controller and motor together. When i plugg my multimeter in i dont get any 5v readings from the hall plug. What could this be?
  22. P

    Alternative to greentime controller

    Hello, Are there any alternative to this Controller at roughly the same price? Gonna use it on a non hub motor on a E Scooter...
  23. P

    Connecting controller motor and throttle

    Hello I am thinking of connectiong these two together (Motor and Controller) https://www.aliexpress.com/store/product/24FET-IRFB4110-s-3000W-48-84V-80Amax-BLDC-motor-controller-EV-brushless-speed-controller-sensor-sensorless/313864_522263950.html?spm=2114.12010612.0.0.b7ke02 and...
  24. P

    Will this setup give me insane watt?

    Hello, Me and a friend of mine is gonna try something for fun, not for motor endurance :) Will this work. -48volt 1600watt motor running at 72volt 60amp 2000 watt controler. https://www.amazon.com/Three-speed-Brushless-Controller-Anti-theft-Scooter/dp/B00L7Q0T7K...
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