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  1. R

    Sevcon Gen4 - Throttle Interlock Sequence

    Method You climb with ropes? I’m IRATA certified. Well at least I was. For inspections work in oil refinery’s got laid off and don’t use my cert anymore only climbing to retrieve my freestyle drone from trees and buildings etc… when I fly fpv.
  2. R

    Salvaged Zero FXS motor converted to hall sensors

    I contacted John Fiorenza from montenergy. I have a me 1507 sine cosine encoder he gave me the exact replacement part number. So the same magnet in the center will work with a 3mm spacer. It even has a option to have molex to use existing cable good luck...
  3. R

    Build a controller for an Alta OEM motor and inverter?

    I have same setup. Mine is probably newer inverter wise. I’ve been waiting to resolve my sevcon setup before I start tinkering with the Alta rabbit hole. Interested in if you powered up yours. I think the new stark varg bike might hold the key to getting it going. Their video depicts a motor...
  4. R

    Sevcon Gen 4 Hardware decompile

    Mr methods Would you happen to have a solve for an error AUTOZERO error code 0x4f54 indicating a current sensor fault. I appreciate any help in advance.
  5. R

    ME1616 + Sevcon Gen4 Size 6 Issue

    Did commission motor? It makes noise should be a good sign with no faults is even better Sent from my iPhone using Tapatalk
  6. R

    Sevcon Gen 4 Errors and Solutions thread

    0x4F54 AUTOZERO RANGE ERROR I’m getting same error I’m thinking the conformal coating I left on the internal grn support pad inside the controller needs to feel the screws contact with the board and heatsink. Can anyone confirm this to be my issue. I hate to open the damn thing again also if I...
  7. R

    Lipo chemistry & mah

    I feel like Goldie locks when shopping for lipos trying to find that sweet golden aspect ratio. I only wish I could try them for free like in the fairy tale.
  8. R

    Running parallel battery pack. I need help please.

    https://batteryuniversity.com Sent from my iPhone using Tapatalk
  9. R

    Running parallel battery pack. I need help please.

    Ideally you should use same cells with same amp hour capacities throughout a battery pack. they should all be balanced to +\- .02 volts per cell prior to a series and or parallel connection. Any discrepancy in voltage can set a battery into a thermal run away in some cases the heat will...
  10. R

    Running parallel battery pack. I need help please.

    Worst cases Scenario your weakest link In chain fails... Bring a fire extinguisher around just incase shit goes thermal. I doubt that it a bms even matters the controller has fail safes unless programmed to ignore. battery sag will fault controller eventfully Sent from my iPhone using Tapatalk
  11. R

    Running parallel battery pack. I need help please.

    I’d run two separate bms a good bms is hard to come by that would handle cutting off a pack if and when it is unevenly discharging. I recommend using two Ryobi 40v battery bms boards which is wired as 10s 2p because battery 1 and 10 are connected through the board so when it fails it will fail...
  12. R

    Altaha ysr50kw project

    It’s a win win man as long as we not burning gas were ahead of “the proverbial pack” [emoji848][emoji482][emoji367][emoji965] Sent from my iPhone using Tapatalk
  13. R

    Altaha ysr50kw project

    links to my build? or the Alta bulkhead fuktuka motor
  14. R

    Altaha ysr50kw project

    It arrives Monday [emoji2958] hopefully Arlo gets one so he can un propriety an esc to suite such power 350v 300 amps Not sure if I can handle 350v system in a mini 50cc gag bike Sent from my iPhone using Tapatalk
  15. R

    Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

    Can It push a montenergy me1507 motor? Sent from my iPhone using Tapatalk
  16. R

    Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

    Where can I buy a bac 8000 I’m in SoCal Sent from my iPhone using Tapatalk
  17. R

    Lipo chemistry & mah

    question what’s the highest capacity lithium battery that’s currently available today that you’ve put on a bike? Sent from my iPhone using Tapatalk
  18. R

    how to program a sevcon gen4

    Also turn reboot controller after every adjustment Sent from my iPhone using Tapatalk
  19. R

    how to program a sevcon gen4

    Try running another trace see where your dots end up. Sent from my iPhone using Tapatalk
  20. R

    ME1616 motor with sevcon gen4 size 6 80V low power??

    Sevcon is sevcon I don’t think we can ask for more then a reliable vehicle operation the propriety software and how to obtain licensed access says a lot about how restrictive they are and limited we can tune all day but to me it feels like some lame way make the customers feel like you can tune...
  21. R

    ME1616 + Sevcon Gen4 Size 6 Issue

    Keep Trying to run a better trace Sent from my iPhone using Tapatalk
  22. R

    how to program a sevcon gen4

    Seems Can bus is not wired correctly. Swap them around Sent from my iPhone using Tapatalk
  23. R

    how to program a sevcon gen4

    Check your can bus wires first tx to rx and rx to tx. Sent from my iPhone using Tapatalk
  24. R

    how to program a sevcon gen4

    Also have to clear and any error codes before running that trace Sent from my iPhone using Tapatalk
  25. R

    how to program a sevcon gen4

    I ran motor me1507 with a lathe three Jaw chuck to acquire my trace and when i thought it wasn’t aligned correctly I reprogrammed the controller and started over and ran a trace till the dots looked like they grouped gen4 size4 with the files I had. Till the motor sounded like it was working...
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