Recent content by OCMike

  1. O

    YesCom 48v noisy hub

    Perfect - Many Thanks!
  2. O

    YesCom 48v noisy hub

    Yes, same sound at same volume when coasting. But no wonky sound when not under load (my weight - 200 pounds).
  3. O

    YesCom 48v noisy hub

    Hi all :) Thank you for all the advice and help you've all provided. I have a question .. I'm hoping somebody here will be familiar with this issue. I have a YesComUSA 1000 watt rear install. The hub is increasingly noisy. I though a few spokes might be loose so I maintenanced them. But...
  4. O

    Bulk Charging ...

    I cracked open the case - here's a picture: Just as I thought - this brought no insight into what happened or how to fix this one power supply. However, the 450V capacitor looks scary. I bet that sucker is holding charge - Yikes! :shock: I think I bought myself an $8 eighteen inch piece...
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    Bulk Charging ...

    I went to my local electronics store. The guy there said he thinks the battery was drawing to many amps. I've got a power analyzer ... I wish I'd thought to hook that up so as to monitor the amperage. I guess I could hook it up on another one just to see and unplug it within 30 seconds. He...
  6. O

    Bulk Charging ...

    Here are the safety features advertised: Is it possible the battery was sucking down energy at a rate greater than 6a? It was only connected for less than 2 minutes and after initial connection and the voltage settled it seemed to increase cell voltage at a quick rate. The power supply was...
  7. O

    Bulk Charging ...

    The power supply fail is a reason? What is that the reason for? I thought fuses protect against power surges. I don't see how a surge may have occurred - what surged? The AC or my battery? I think what likely happened is the power supply detected sustained and building push-back from the...
  8. O

    Bulk Charging ...

    Sadness ensues :( I put andersons on my third power supply and decided to bulk charge one of my 3 cell zippy 8ah lipos. It started at 3.81v, 3.82v, and 3.83v. When I connected the charger which tested at 12.45v, the cells jumped to 3.85v, 3.86v, and 3.86v. It charged for about two minutes...
  9. O

    Bulk Charging ...

    I think there's just more than one way to skin a cat. And we all skin cats from within our comfort level and do it the way we want to. I don't know what's best. I know there are lengthy BMS vs no BMS debates here. Part of what I enjoy is being the BMS and my e-bike is for pleasure only. I...
  10. O

    Bulk Charging ...

    Thanks. I think of fuses as surge protectors. I'm not sure what fuses would be protecting against in this situation. I know I'm just a numbskull with regard to this - fuses probably serve a multitude of functions. I could see installing something that ensure electricity flows in one...
  11. O

    Bulk Charging ...

    Sort of a plea for input I think everyone here enjoys being helpful - and that's always a two way street - you just never know what somebody's going to think of. I also think it's natural for us to point out problems others haven't thought of. It's just human nature for some reason - I do it...
  12. O

    Bulk Charging ...

    Thanks cal3thousand ... That's what I'll do ... I've done one so far :) No rush here. dnmun ... that's a good question. No, I didn't think about it until now. Can that be simulated by simply unplugging one of power supplies during charge? I think the charge process would just halt? I...
  13. O

    Bulk Charging ...

    Power supplies in hand :) They're kind of smaller than I expected ... but that's good with regard to carrying them with me on the bike. I have a watt meter. I've only tested one. It draws 0.4 watts just plugged in with no load :(. Here's a pic of my volt meter testing the voltage: 12.62...
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    Bulk Charging ...

    I decided on 5 of these: http://www.amazon.com/gp/product/B003TUMDWG/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1 Don't have to worry about one switching off as they're just always on. I'm also having fun with LED lights around the house - so these actually serve an additional purpose. That's...
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    Bulk Charging ...

    Thanks for the replies! Thanks dmnum. It was silly of me to use approximate numbers for voltage. 2 of the power supplies are 19.5V @ ~4.5 amps and the other is 20V @ ~3.3 amps. I think what I could expect from that is 59V @ ~3.3 amps. But like you alluded to - there are things I just don't...
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