Power in Flux

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  1. Thinking of either keeping it bare metal finish...

    Thinking of either keeping it bare metal finish it a bit and just clear coat it or go with matte black and bronze. But there is a long time to for that...
  2. Thanks ken.

    Thanks ken.
  3. Yes Nando. I built every thing from scratch...

    Yes Nando. I built every thing from scratch including the front suspension and rear swing arm. Also trying to figure out the design for the handle bar since the entire bike is curve, would...
  4. I am keeping that ratio as an option. My pulley...

    I am keeping that ratio as an option. My pulley is from Gates and they have quite some options for drive side pulley. If needed I can replace the drive side with a smaller one.
  5. Thanks podolefsky

    Thanks podolefsky
  6. Thans Frodos and Huges. I was worried the motor...

    Thans Frodos and Huges. I was worried the motor might be a bust as it was on the motorcycle when i welded few tacks

    Pictures attached. Still have a long way to go to get it road worthy. Pulley...
  7. Finally got the Motor to spin. Seems like i did...

    Finally got the Motor to spin. Seems like i did not connect the interlock wire to 12v. I tried connecting but the controller gave fault code 28. Tried it again today and it worked.. Motor has a spin....
  8. I received an email from evwest (the vendor) that...

    I received an email from evwest (the vendor) that i have to connect pin 22 (yellow wire for fwd) to 12v wire on pin 25 and pin 9 to a charger interlock. I dont have a charger connected yet, so i left...
  9. Huges, Motor is not connected to the wheel so...

    Huges,

    Motor is not connected to the wheel so no worries on that end.

    - Have you (or your vendor) ran the motor characterisation procedure ? since i understand this is a new motor and...
  10. AC-23 Motor not spinning with Curtis 1238 controller

    I Just finished wiring the motor controller Curtis 1238 with my AC-23 motor and batteries. The batteries are currently at 3.8v each building up at 92.4v and 120ah.

    The Controller status LED is...
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    Wouldn't the 7.04:1 ratio reduce the overall...

    Wouldn't the 7.04:1 ratio reduce the overall speed of the bike? The motor will have to run at higher RPM to achieve 60-80mph at 7.04:1 ratio then it would at 2:1 or 4:1. Just wondering.
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    Thanks Huges. Would you mind if you have a...

    Thanks Huges.

    Would you mind if you have a plan that you can share to make the pulley?
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    Did you get to try with the Harley pulley or its...

    Did you get to try with the Harley pulley or its based on assumption that the motor will get hot? Custom building that big pulley will be expensive :(
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    Thanks Huges. Are you running a standard harley...

    Thanks Huges. Are you running a standard harley rear pulley or one from gates as well? The belt seems to be .83" while a standard harley pulley will be more then 1" if i am not mistaken
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    Pulley for AC-23 Motor with harley wheels

    Hi,

    I am working on an electric motorcycle for myself and looking for a belt pulley for the motor. The motor has a 7/8" keyed shaft with 5/16 key. I have been looking for a pulley but could not...
  16. I got the Zeva BMS.. It was cheaper and...

    I got the Zeva BMS.. It was cheaper and configurable. It still hasn't arrived.. Will post some pictures when it does
  17. Skahle / Hugues, What BMS have you guys used for...

    Skahle / Hugues, What BMS have you guys used for your battery? I am getting a 24 module 96v 124Ah battery. Trying to figure out what BMS to use. Its going to be a 2x 12 Module pack.
  18. Here's the picture attached 6875

    Here's the picture attached

    6875
  19. Thanks Skahle.. I'll check it out

    Thanks Skahle.. I'll check it out
  20. Huges.. Can you let me know what brand did you...

    Huges.. Can you let me know what brand did you use for the contactor, pre-charge relay (they send me a key switch relay, do i still need to use a pre-charge relay?) and DC to DC converter?
  21. Was out on vacation (bachelor party) in Vegas, my...

    Was out on vacation (bachelor party) in Vegas, my first time and much needed break. when i can beck i got a treat in my mail..6871 its freakin heavy.. but i am excited. Now need to get the rest of...
  22. I just realized with the above battery 7.5Ah and...

    I just realized with the above battery 7.5Ah and pulling at 30C or mure will only give me few seconds of current unless I place the batteries in parallel to give me atleast 70-80ah that's 10+...
  23. Sorry about that Skahle. I am still learning the...

    Sorry about that Skahle. I am still learning the concepts of electronics and electrical. I am from economics background so all this has been gibberish for me till few months ago.
  24. I am in US. So the average highway speed would be...

    I am in US. So the average highway speed would be about 60 mph thats 96kph. I assume at that speed the motor would be rotating at about 3000 RPM with direct drive!! (Hugues, you would know better...
  25. Is there a problem using these liPo batteries or...

    Is there a problem using these liPo batteries or does it make sense to use these batteries?
    ...
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