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  1. speed_demon

    New Lyen 12 Fet, throttle surging

    I appreciate the response mwkeefer - I will take a picture of the board as soon as I find the time.
  2. speed_demon

    New Lyen 12 Fet, throttle surging

    In my case, no, my high voltage pulsing issue has not been fixed. My block time was set to 0.1 while I was having these pulsing issues; changing this setting resulted in no noticeable difference. In the meantime I am changing my pack to a 12s config as 24s is nearly undrivable.
  3. speed_demon

    New Lyen 12 Fet, throttle surging

    I told Lyen that I intended to run 24s and he said the 12 fet controller would be configured for 20s to 24s as I received it, so I'm assuming it's fine to run things that way. I was so impressed by the smoothness of 12s, and still being able to run 30mph at under 1.5kw continuous that I am just...
  4. speed_demon

    New Lyen 12 Fet, throttle surging

    I was feeding the motor 5kw at peak. The bike was dialed down to 1.5kw for tuning purposes.
  5. speed_demon

    New Lyen 12 Fet, throttle surging

    Thanks for the tips. I had a slight issue earlier with my bulk charger overcharging a single 6s pack, so it looks like this is a good opportunity to change the bike's battery config. It's a shame that HK seems to be sold out of lipo often; it sure makes getting new batteries difficult.
  6. speed_demon

    New Lyen 12 Fet, throttle surging

    The controller is the 4110 version. The issue seems just as pronounced with lower voltage as the pulsing occurs on 20s as well. I will test 12s and see if anything improves. Edit: 12s and 18s both work beautifully with no hesitation at all right up to top speed, whereas 20s and 24s are almost...
  7. speed_demon

    New Lyen 12 Fet, throttle surging

    Hi guys, I recently installed a new Lyen 12 fet controller along with a new 24S1P pack on my bike and I am having some difficulties. My previous setup was a Hua Tong 20A controller with 20s2P and ran great without any problems. I am seeing a very jerky throttle surge or pulse while...
  8. speed_demon

    An interesting designer portfolio case example of e-bike

    I love the creativity behind this! I am really looking forwards to seeing a completed mass production bike from these people.
  9. speed_demon

    End of the World. Beginning of a new one. The Life of Amberwolf.

    AW, I am so sorry for your loss. I see the outpouring of support here on the board and I am aware of just how many people you have touched during your time spent helping others. I want you to remember that you will get through this difficult time, and there are many members available here to...
  10. speed_demon

    Thread for new battery breakthrough PR releases

    Beautiful! The potential energy density of a well designed nano-scale battery structure is immense. In practical applications these advancements could provide the range consumers demand with the weight reduction and incredible reduction in required materials that product manufacturers are...
  11. speed_demon

    Thread for new battery breakthrough PR releases

    I appreciate the response LFP, if you don't mind the abbreviation. My question was concerning where you felt the Lithium battery technology as a whole is at in terms of maturation along the product life cycle, and what you feel is on the horizon for consumer battery tech beyond lithium. I...
  12. speed_demon

    Thread for new battery breakthrough PR releases

    Interesting to hear. Where do you feel we are at in terms of the lithium anode battery's life cycle? One point that needs to be made is that our best battery tech is still rather primitive compared to the energy density within common, century old liquid fuels like gasoline or diesel. We are...
  13. speed_demon

    Samsung INR18650-20R .. yes these cells can punch, new 24R

    Looks pretty good! How much did you end up paying a piece for these?
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