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  1. M

    17S4P Power/Battery surge

    Hi, I was running a 14S7P Samsung29E pack on a MAC 10T motor. As an experiment, I installed a new 17S4P pack with Panasonic 18650PF 2900 to test at the higher voltage. I didn't get 21% speed increase expected from the higher V, in fact I only got about 8%. Worse, I'm getting power surge under...
  2. M

    MAC 10T Jerky start

    I'm running a MAC 10T on 14S7P and a 26" tire. Starting on the flat is fine but the start on a 15% incline is not - its jerky (I don't pedal). I'm only 180lbs. I'm trying to improve the bike and don't remember if I connected the hall sensors or not. Perhaps not and I don't remember if there are...
  3. M

    Question - more volts or more amps ?

    Like everyone, I'm trying to get the most RANGE out of my battery pack which consists of (so far) 91 Samsung 29E batteries in a 13S, 7P configuration (at 45 kph - 28mph). Yesterday I was running a smaller 13S Panasonic test pack at the low end of its charge capacity and producing only 42V. It...
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