Power in Flux

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Type: Posts; User: cmcnall

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    National drive electric week UTAH meetup

    I'm bringing my bike to the National Drive Electric Week meetup this saturday @11 if anyone wants to meetup.
    https://driveelectricweek.org/event.php?eventid=1059

    Day: Saturday, September 16, 2017...
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    too bad, let me get my bike put back together...

    too bad, let me get my bike put back together then i'll have you over. I'm at the bottom of big cottonwood canyon.
    Also if you want the chain and front sprockets I can part with them cheap.
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    I know i can draw about 275A from mine in my...

    I know i can draw about 275A from mine in my leaf. ~3C
    however there has been some good testing at ES:
    https://endless-sphere.com/forums/viewtopic.php?f=14&t=52162&start=25
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    6x 10.5mm bolt holes 130mm on center diameter....

    6x 10.5mm bolt holes 130mm on center diameter.
    Center hole is 110mm
    I'm open to an offer especially if you pick it up.
    hope it fits.
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    520 Chain and Sprockets for sale

    I downsized from a 520 chain to a 420 chain.
    For Sale $125: plus Shipping.($20 in US not sure elsewhere)
    70T rear sprocket, Fits Ninja 250
    16T and 14T front sprocket, fits Motenergy Motors
    126...
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    I redid my whole 250 harness and it is a huge...

    I redid my whole 250 harness and it is a huge pain!. if you can, just use the old one. that being said. most wiring diagrams for the bike are online. PM me if you want the one for the 2006 250.
  7. Here is one from red lion:...

    Here is one from red lion: http://www.redlion.net/product/cub-5-dc-volt-meter-backlight-display
  8. yeah, direct sunlight on a 100F day. That is a...

    yeah, direct sunlight on a 100F day. That is a nice charge controller! a little pricey though. costs the same as my battery pack did. but less than a burnt down house....
    I looked at some...
  9. yes, other than the estop all switches are...

    yes, other than the estop all switches are actually driving solid state relays with loads well under the rated voltage and current ratings. The estop has a magnetic blowout at 1000A.
  10. 7370 This is what I can remember. Basically it...

    7370
    This is what I can remember. Basically it is as follows:
    There is an estop on the battery that then connects everything.
    The 12v dc/dc converter powers the avc.2 to handshake with the EVSE...
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    For anyone on a budget (

    For anyone on a budget (<$300) and not needing a huge build area the printers from monoprice have served me really well over the last year. https://www.monoprice.com/pages/3d_printers
    They are...
  12. An almost tragic lesson on charge controllers

    Hey all, wanted to share an almost tragic lesson in trusting a crappy voltage cutoff controller from ebay.
    I have a 24 cell chevy volt module on my bike with cell logs on each cell so i can monitor...
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    I power mine up at the same time. I do have a...

    I power mine up at the same time.
    I do have a diode in between the two in series on the output.
    I also then have a relay to enable the output to then charge the battery and disconnect after a...
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    I ended up bolting my battery cage and my motor...

    I ended up bolting my battery cage and my motor mount together to get a nice rigid link. Probably your best bet. Plus it keeps your batteries from wanting to swing forward.
    See here:...
  15. Thread: dc-dc booster

    by cmcnall
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    Don't do it! I have tried that exact one and a...

    Don't do it! I have tried that exact one and a few others for my 98V chevy volt pack.
    Your best bet is 2x 48V CC/CV meanwell 600w power supplies adjusted to the voltage you want placed in series....
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    After Reset, If you turn the throttle does the...

    After Reset, If you turn the throttle does the motor spin?
    If that's the case then i wouldn't sweat it unless you find that your efficiency is terrible.

    Also if you are using the app try using a...
  17. Alright I just sent money to your Paypal. I'm...

    Alright I just sent money to your Paypal. I'm going to give it a try!
  18. have a couple questions: what is the refresh...

    have a couple questions:
    what is the refresh rate of the power meter, specifically current draw?
    Do you know if the USB has any ability to allow output of the information?
    I understand there may...
  19. I am super interested. please send me a manual if...

    I am super interested. please send me a manual if you have one.
  20. Good, last thing you want to do is blow money...

    Good, last thing you want to do is blow money without research.
    As a point of reference my ME0913 bike has a 5KWh chevy volt pack. 24 cells, 52ah at 88V nominal 98v peak. I can get up to 80mph max...
  21. Based on this chart @ 60V it can draw ~365A...

    Based on this chart @ 60V it can draw ~365A @71rpm/volt
    https://www.jozztek.com/shop/content/9-technical-data-on-agni-motors

    I would get something with about a 1/3 margin. so 450-600A range....
  22. Looking at the specs for the Agni it doesn't seem...

    Looking at the specs for the Agni it doesn't seem like you would be getting a whole lot more. You may have more fun getting a higher current DC controller and just working the motor harder. I...
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    I have been using 2awg ( 7.42mm diameter) with my...

    I have been using 2awg ( 7.42mm diameter) with my chevy volt pack. Peak draw is ~400A for a few seconds.
    the reality is most of the time i can't find a hill large enough to draw more that 150A for...
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    What kelly did you end up going with? I just...

    What kelly did you end up going with?
    I just finished my build with a KLS96601-8080I
    I am in middle of starting tuning now.
    Performance with a ME0913 so far has been OK.
    I wonder how yours will...
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