Power in Flux

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Type: Posts; User: biothundernxt

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    I re-did the 3d design already, it only took a...

    I re-did the 3d design already, it only took a few minutes.
    That's why I made it out of plastic the first time; so that I could test fit before having it machined out of aluminum.
    Now I just have...
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    Scratch that. I got the other half printed, and...

    Scratch that. I got the other half printed, and it does not fit.
    Time to make V2!
    I think I neglected to account for the thickness of the walls of the swingarm itself in my match and measurements....
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    I test fitted the 3d printed swingarm adapter...

    I test fitted the 3d printed swingarm adapter today.
    Everything seems to fit pretty nicely!
    QS Motor Fazer swingarm adapter 3d printed mock-up test fit https://imgur.com/gallery/1UNv7pS
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    I haven't weighed it yet, but I would guess...

    I haven't weighed it yet, but I would guess around 75lbs. It's pretty heavy.
    A lot of unsprung weight, I know, but I don't plan on taking it to the track so I'm not particularly worried about it.
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    I got the battery hooked up to the charger today....

    I got the battery hooked up to the charger today.
    http://imgur.com/gallery/b0Z8Xz9
    Pretty happy with the result.
    It's running a balance routine now and I'm going to let it run overnight with a fan...
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    The file I attached was higher quality, but it...

    The file I attached was higher quality, but it made it small for some reason.
    Here is a link to imgur:
    https://imgur.com/gallery/gCvunW8
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    It's definitely not safe or reliable. You lose...

    It's definitely not safe or reliable. You lose any balancing ability except while charging, and if one of your cells individually goes too low, it has no protection.

    People do many things, and...
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    The bms is really not a low cost device. It all...

    The bms is really not a low cost device.
    It all depends on what you're building and how long you want your batteries to last.
    If you want to have everything be safe and last a long time, an orion 2...
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    -snip- accidental double post

    -snip-
    accidental double post
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    There's not actually a lot of gap. It's about the...

    There's not actually a lot of gap. It's about the width of the torque arm on either side.
    I ended up modeling an adapter that I plan to slide over the axle on either side and then into the swingarm....
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    Here is an image generated from the mechanical...

    Here is an image generated from the mechanical drawing. Hope that is what you were asking for?

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    I sized up the motor with the swingarm I got off...

    I sized up the motor with the swingarm I got off the Fazer, but it looks like I will have to do some modifications... Any suggestions?8503
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    This week, I built a temporary stand for the...

    This week, I built a temporary stand for the motor out of wood, and hooked up the controller and a small 48v battery I built for another project to test everything:

    https://youtu.be/zs7Qzl2n8bo
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    If anyone wants a photo of some specific part of...

    If anyone wants a photo of some specific part of it, let me know.
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    It is a lot bigger than I expected. Dunno why. I...

    It is a lot bigger than I expected.
    Dunno why. I knew it was 17 inches, and I mocked up the dimensions, but seeing it in person is... wow.
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    My motor came in today! 8494

    My motor came in today!
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    The cell balancing current is only like an amp I...

    The cell balancing current is only like an amp I think.
    It does not auto balance unless you have that setting turned on, and then only when you're charging, but you can manually initiate a balance...
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    I ended up getting hit with a 250 dollar customs...

    I ended up getting hit with a 250 dollar customs charge on my motor coming in. (ouch..)
    But in good news, the motor should be here by tuesday the 8th.
    I am really looking forward to running some...
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    They claim a continuous rating of 300A. The two...

    They claim a continuous rating of 300A. The two blue wires look to be 8AWG each, and the larger wires I have connected to those are 4AWG. The current carrying capacity for wire varies depending on...
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    The text in the second image of the charger is...

    The text in the second image of the charger is small and unreadable, so I am posting it again here in the hope that it is clarified:
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    Thanks! Yeah, I know that using a mid motor is...

    Thanks! Yeah, I know that using a mid motor is the better option, but a hub motor is simpler, and this is my first build, so I figured that I would start there. Also programming the motor controller...
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    Latest update: My contact with QS Motor says...

    Latest update:
    My contact with QS Motor says that the motor is completed and will be shipping this week.

    My BMS arrived 2 weeks ago, and I finished wiring up the battery.
    8485
    I will post more...
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    Thanks, I have not posted because I am waiting...

    Thanks, I have not posted because I am waiting for parts to arrive. The virus slows everything down I guess.
    The factory in China (QS Motor) says it's going to take at least another 10 days before...
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    Does anyone know how hard it is to open these...

    Does anyone know how hard it is to open these motors?
    I was already considering opening it to apply some statoraid, but my communications with the QSMOTOR factory are making me very curious to see...
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    Fascinating. Thanks. Definitely more than I want...

    Fascinating. Thanks. Definitely more than I want to spend on a throttle, but I will keep it in mind if I cannot find anything else that will work. I would have to do some complicated stuff to get it...
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