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  1. A

    First DIY pack 24s7p

    Someone on the facebook battery group really stepped up and helped me with the layout. A perfect 24s7p. now to glue it together, BMS from LLT showed up and I'm just waiting on a few connectors at this point.
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    First DIY pack 24s7p

    So I think i figured out why I chef for a living instead of design battery packs. I spent a few hours trying to figure out a better way to arrange my parallel packs then the hex arrangement of my original pack. IS there any sofware that will optimize layout in a given space and shape? Does...
  3. A

    bluetooth BMS?

  4. A

    First DIY pack 24s7p

    Thank you for your input, I reworked the layout a touch to address the light connection between 17 and 18. I added traces on this photo to help me figure out where to put the nickel. I only did one side, I think the the other will be pretty obvious, I will just repeat the pattern. I think...
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    First DIY pack 24s7p

    After letting my bike sit for a couple of years, I decided to resurrect my ebike and build a new battery. The layout of my old battery that was bought on ebay, which mostly used some hexagonal packs layed out in a triangle. I got myself a kWeld as my next pack will be a 12S for my daughters...
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    The Ciclotron on KS

    Just watching them ride that bike was cringeworthy. It seemed that bike was all over the road. I understand that not everyone rides a paceline or has the ability to ride on rollers, but my 2 YO rides her balance bike in a straighter line.
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    Hoverboard batteries are lithium and cheap. Mmmmm

    Hoverboards have been banned from entering the NYC subway, due to fire risk. You cant even carry it into the station.
  8. A

    5000W motor on Aliexpress

    I think that 20s will be my minimum target, while 22s10p is my goal, and 23s is my maximum with a 96V cut off on the controller. I have a rather large frame, I think I should be able to accommodate 230 cells, samsung 25r's. Let's hope my wallet agrees. I have my controller mounted behind the...
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    5000W motor on Aliexpress

    Thanks for chiming in Doug, I was going to text you today on the status of the MXUS3k. I am just trying to get a handle on some options. I really like the MXUS motor, I was just unsure if the pricing which led me to aliexpress. I can get a controller from Lyen for 199-299, and I'm assuming...
  10. A

    5000W motor on Aliexpress

    I am currently using a 22AH LiFePO4, 48V using a MXUS geared 1.2Kw motor, I am pretty sure my conroller is max 25A. Its a larger diameter geared motor, kind of a hybrid of sorts as it was explained to me. It pretty much tops out at 28mph and I slow down, with considerable effort on my part, to...
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    5000W motor on Aliexpress

    30-35 mph is just about where I want to be. From everything that I have read, running your gear at 80% will prolong the life greatly. While this kit is capable of 50mph, I don't plan on using full throttle...... too often. I am currently running a MXUX 1.2kW on 48V, which was great for my 26...
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    5000W motor on Aliexpress

    http://www.aliexpress.com/item/5000w-electric-bike-kit-5kw-brushless-electric-bike-conversion-kit-5kw-e-bike-wheel/1398558037.html?spm=2114.01010208.3.2.UceKN0&ws_ab_test=searchweb201556_2,searchweb201644_5_10014_10001_10002_10005_10006_10003_10004_62_9735,searchweb201560_5,searchweb1451318400_61...
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    Calling all Bay Area ebike riders

    How does the recumbent handle single track?
  14. A

    Three Bears Ride 8/2/2015

    What a great ride it was. Took the tire to my local bike shop in Benicia, getting a replacement under warranty. After only 75ish miles the bead had just separated from the tire. Looking forward to the next ride, I think I will bring the trailer and little one. Thanks again for organizing...
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    Three Bears Ride 8/2/2015

    Nothing on my calander for that sunday, give me a pencil check. Pm sent with some contact info.
  16. A

    Calling all Bay Area ebike riders

    you can ignore the time. My commute is just about an hour +/- 10 minutes for wind. Its quite a nice ride, we will see what the winter brings though.
  17. A

    Calling all Bay Area ebike riders

    Hey Now!! I just got my bike assembled. 1200 watt MXUS geared motor 22Ah 48v LiFePO4 battery. Commuting Vallejo to Berkeley. If there's a list or group in the area please feel free to PM me for a connection.
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