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  1. EZgo

    shaft removal on a 9c stator

    Has any body ever removed ever removed the axel/shaft from the stator of a direct drive hub motor in order to swap it out whith another identical stator? Specificaly I have 2 2015 9c hub motors. An unused front 10x6 hub and a used rear 10x6 hub that has a bad stator. It looks straight forward...
  2. EZgo

    phase wire order

    Amberwolf, This is a new post that refers to an old post back on March 2022. You where helping me with my 2014 10x6 9C rear drive direct drive that needed new halls. The wiring had gone bad & blew the halls. Everything you told me was spot on, unfortunately I solderd the halls on the wrong side...
  3. EZgo

    source for hall sensor mounted on PCB & wiring

    I finally got the pcb's from Aliexpress. (took a month) The boards are identical & the halls physically appear identical. They are all digital bipolar hall-effct senor IC's. The 3 type of halls are: 41F, 413, & 3144. I'm going to use the board with the 41F halls. Grins hall's are a S41. If the...
  4. EZgo

    source for hall sensor mounted on PCB & wiring

    Thanks. That's kinda of what I thought. I already soldered them using your technique & it worked much better. I did scrape each strand of the coil wire shiny bright. It was a bit of a pain but I think it helped the solder stick. Why is the original wiring (on a 9c DD anyway) twist the wire (like...
  5. EZgo

    source for hall sensor mounted on PCB & wiring

    Quick question. I bought a box of insulated solder seal butt connectors sometime ago & have never used. Would they work well for connecting the phase wires to the coil wires?
  6. EZgo

    source for hall sensor mounted on PCB & wiring

    Thank you, Both where very helpful. I use a butane solder iron but I was using the wrong tip. 2nd mistake was when I de-soldered the old wire I left the remaining solder on the coil wire & attempted to wrap the new wire around the old wire w/solder & it looked pretty pad. I use a heavy shrink...
  7. EZgo

    source for hall sensor mounted on PCB & wiring

    This is great. Thank you so much. I've watched 2 videos on this but although I got the general idea you really couldn't see the details. Also the end result on both videos looked a bit sloppy for my taste. I have to have to redo all of my wiring on this motor cause I replaced my small Z910 9...
  8. EZgo

    source for hall sensor mounted on PCB & wiring

    Thank you. I looked at those pics off & on for 30 min & could not see that. It's clear now. What I meant about splicing wires was in case I had to go without the pcb. Clearance inside this 9c looks pretty tight. It appears then that the board shown in the 413 & 3144 pics would work even if...
  9. EZgo

    source for hall sensor mounted on PCB & wiring

    I'm now pretty clear as to how this all works but I'd still like to get a new board or board with halls but I can't seem to find one that is built the same as mine & I've looked at a lot. (I damaged mine & can't re-use it) Below is a good pic of the board on the new/old motor I have. It's very...
  10. EZgo

    source for hall sensor mounted on PCB & wiring

    When you say flipped you mean the signal side is different than the others? I just ordered some SS41 Hall Sensors from Grin & the page shows the + - & signal. That was a big help. As for 60 versus 120 degrees my board does say 120 & I see the 60 on the screen shot but the measurements including...
  11. EZgo

    source for hall sensor mounted on PCB & wiring

    All of my halls where bad. To make sure I was testing them correctly (I thought all 3 being bad was odd) I took apart my unused 2014 wheel & they tested exactly as you said they should. Below is a screen shot of the halls & board I think I need. My question again is the order of things. This...
  12. EZgo

    source for hall sensor mounted on PCB & wiring

    I just re-read your directions & realized you said "turn the magnet 180 degrees.
  13. EZgo

    source for hall sensor mounted on PCB & wiring

    I was going to ask that question but forgot. You say turn the rotor 180. Does that mean I should have the stator sitting in the field or am I just moving the magnet around the stator 180? Another question and I was going to experiment with this one providing their bad. Is it possible to remove...
  14. EZgo

    source for hall sensor mounted on PCB & wiring

    Thanks so much. As I started looking closely at some of these boards I realized that the plus & neg. where marked and as some of these had wires attached (even though they have to de-soldered) the signal wires where actually in the correct order. And speaking of fitting through the axel hole...
  15. EZgo

    source for hall sensor mounted on PCB & wiring

    I rewired my 2014 9c motor cause the insulation had gone bad on 1 of the phase wires & 2 or 3 of the signal wires. This motor had always run great until it didn't. I bench tested it today using a spare controller & throttle & got nothin. Apparently the bad wiring caused 1 or more of the hall...
  16. EZgo

    sharing the blk thermistor wire with the blk hall sensor wire.

    I'm rewiring an older (2014) 9C direct drive hub motor. I'm also installing a thermistor in it. Searching through the tech forum it sounds like I can share the black thermistor wire with the black hall sensor wire. If that can be done can I solder it directly onto the hall sensor board along...
  17. EZgo

    72v Controller suggestion

    I have quite a few motor extension wires so I decided to sacrifice one of them. Their the same gauge as what was in it originally. I'd prefer something a tad heavier but it was easy to get it through the axel. And my controller sits directly above the wheel so there's less than 2' of cable. I'll...
  18. EZgo

    72v Controller suggestion

    Street use only but it's my regular transportation. That said I have a bad leg & I use a lot of motor support. ie if I lost power more than a mile from home I'd be waiting for a ride. None to speak of. I do not have regen, electric brakes, PAS, or cruise control. I simply need (or would like)...
  19. EZgo

    72v Controller suggestion

    I need some controller help. I need to replace my Lyen Edition 12 x 4110 MOSFET extreme moder controller. I run a 72V 12ah battery, A 9c DD hub motor controlled by a Cycle Analyst V3. The battery was new last year everything else is from 2015. Controllers don't seem to be as easy to find as I...
  20. EZgo

    9C direct drives runs on 48V but not72V. HELP

    Finding & fixing this problem has been a slow process since it's winter in PA but as it turns out everyone's suggestion was correct. So thank you. It was not the controller as I was sure it was but the wiring inside the motor. The insulation on 3 of the 5 hall sensor wires was bad leaving...
  21. EZgo

    9C direct drives runs on 48V but not72V. HELP

    Crushed connectors is a great idea. I have discovered that problem before on DC floor equipment (usually on new equipment) If after getting my controller back from Lynn & finding it runs my other bike motor at 72V that will be by next step. Thanks
  22. EZgo

    9C direct drives runs on 48V but not72V. HELP

    Thanks for the reply. When my 72 V quit on me . (I had just ridden it the nite before) I gave it some throttle & it jerked/vibrated but went no where. I tipped it back on the rear mount kick stand & gave it a little throttle it would jerk a little bit forward. Id leave off & twist the throttle...
  23. EZgo

    9C direct drives runs on 48V but not72V. HELP

    A FINAL PUZZEL FOR 2021! Is it possible for a direct drive 2013 9C hub motor to run fine at 48 volts but not on 72 volts? (jerks/vibrates forward or backward) Please read below. This bike has run better than perfect for me for 3 yrs. at 72 volts through a 100amp Lynn Extreme Controller & a V3...
  24. EZgo

    72v Controller suggestion

    Hi folks. I am an ebikekit.com dealer (https://www.ebikekit.com/) that has been out of the bike business for about 5 years now due to a medical issue. I am looking for a 72V 100 amp controller from preferably someone that could help me sort out the wiring and maybe even install the proper motor...
  25. EZgo

    Hub Motor vibrates but does not turn; works with different controller

    I have a similar problem with my bike. This is a custom build so it's difficult to match the plugs on other components. I'm an ebikekit.com dealer so I do have stuff in boxes I can try. This is a 72V 14 amp batt, using a lyen edition EC12411012 Extreme moder controller. Everything is controlled...
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