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  1. Mark Stosberg

    e-bike motor won't spin after getting it back from the LBS

    The diagnosis that that one of three phases was out of commission appears correct. I closely inspected the 3 Anderson Powerpole connectors near the wheel. One pair was slightly melted near the connectors and the connectors were darkened. Not good! I found that I have some spare Powerpole...
  2. Mark Stosberg

    e-bike motor won't spin after getting it back from the LBS

    Thanks for the all the replies! It appears I didn't get automated notifications for any after the first so I just found them now. Thanks so much for the suggestions. I'm going to act on the feedback here and will report back the results!
  3. Mark Stosberg

    e-bike motor won't spin after getting it back from the LBS

    I need some some debugging help. I recently got my wife's electric Yuba Mundo back from the bike shop after they put some new tires. I know and trust the bike shop folk, but they don't have e-bike experience. The mechanic said he test drove the bike and loved how it rode with assist. I presume...
  4. Mark Stosberg

    Nuvinci N360 hub

    I also have the NuVinci N360, installed in an Electric Yuba Mundo. I have more photos and details about that bike here: http://www.flickr.com/photos/markstos/sets/72157623940164001/detail/ The viable shifting pairs well with a variable throttle-- a nice match an electric bike! I also have an...
  5. Mark Stosberg

    Randomly pulsing, ghost regen , crazy speed data

    To answer some questions: I've the bike and electric system about a year, which makes it seem fairly "new" to me, but during that year, I've already replaced the battery, controller and charger due to failures, so there is a history of problems. At once point, the charger and battery were...
  6. Mark Stosberg

    Randomly pulsing, ghost regen , crazy speed data

    Thanks to everyone for the replies! It's always so helpful here. I hadn't checked back sooner as I was expecting to be notified by emails of replies. I'll try review the advice again in detail, try some things out and report back on my progress.
  7. Mark Stosberg

    Randomly pulsing, ghost regen , crazy speed data

    My e-bike has a number of problems which may or may not be related: Most troubling, the assist will randomly cut-out and recover while throttle is being held down. Often the assist is "out" for just a second two, creating a random pulsing feeling. This happens even when the voltage is good...
  8. Mark Stosberg

    wiring inside an XLR connector for Infineon 35A controller?

    So my question was confused: the XLR connector goes to the charger the controller. It was correct it my head, but I certainly asked about it wrong. Luckily, Kristen at Cycle 9 knew what I meant anyway, and provided a perfect answer. It's fixed for me know. Here's her reply: #### Hi Mark, It...
  9. Mark Stosberg

    Yuba Mundo V3.3 - is now Stoke Monkey ready : )

    I've posted a side-by-side comparison photo of the Yuba Mundo v3 vs the v4 here: http://www.flickr.com/photos/markstos/5819966426/ I can't tell from the photo if it's "Stoke Monkey ready", but the updated frame design is definitely more electric-friendly.
  10. Mark Stosberg

    wiring inside an XLR connector for Infineon 35A controller?

    I accidentally pulled the XLR connector off the end of my Infineon 35A controller supplied by Cycle 9. I was glad to find that it appears easily repairable and nothing was damaged. The controller labels that the brown wire going out is positive and the blue one is ground. My question is to...
  11. Mark Stosberg

    Menards selling "E-moto" brand electric bicycles now

    I've been informed that our local Menards is now selling electric bicycles, something neither of our local bike shops are doing. The line they are carrying is called "E-Moto". A little information and some photos of their E-Moto line is available online...
  12. Mark Stosberg

    Yuba Mundo V3.3 - is now Stoke Monkey ready : )

    Could you link to the page on the Yuba website that mentions this? When I search for "Yuba Mundo v3.3", all I find is this thread. :)
  13. Mark Stosberg

    eMundo with Bikes-at-Work trailer and 200+ lbs of cargo

    Thanks for the follow-up, amberwolf. Your approach sounds similar to my friend, Kurt, who builds bike from recycled parts. I have a few photos of some his creations here. One of his most recent creations is an electric push trailer, built for $75.
  14. Mark Stosberg

    eMundo with Bikes-at-Work trailer and 200+ lbs of cargo

    I hope not. People first donated their e-waste our hardware co-op, and we picked over it to extract what we thought could be re-used. What we are passing on here is either tested to be not-working or incredibly obsolete. On the other hand, there are some things, like inkjet printers. We get...
  15. Mark Stosberg

    eMundo with Bikes-at-Work trailer and 200+ lbs of cargo

    Photo details of the hauling experience are on my blog: http://mark.stosberg.com/bike/2010/10/hauling-a-large-load-of-e-waste-by-e-bike.html More photos of the bike are on Flickr: http://www.flickr.com/photos/markstos/sets/72157623940164001/detail/
  16. Mark Stosberg

    new LiFePO4 battery has started dying at 50% capacity

    I confirmed I have the 6 pin CA adapter.
  17. Mark Stosberg

    new LiFePO4 battery has started dying at 50% capacity

    Thanks to everyone for the incredible help and advice. I'm blown away by the community here! To bring some closure to this: I did work out reasonable return terms with Cycle 9, so I won't be opening the battery to investigate this further. At the same time, I'll be upgrading to a 15ah battery...
  18. Mark Stosberg

    new LiFePO4 battery has started dying at 50% capacity

    @jondoh: The first time this happened, I did notice that the battery was warm to the touch. I haven't really noticed it otherwise, but then, it's usually been functioning fine and we don't think to touch it. Thanks the feedback about 15AH option. @dnmun: You are right that there was been no...
  19. Mark Stosberg

    new LiFePO4 battery has started dying at 50% capacity

    Thanks to everyone for the replies! I sense there's a great, active community here. I was in touch with my vendor and she agreed with the assessment here. A bit more detail: I think the battery pack is supposed to be one of the nicer quality ones, as advertised here...
  20. Mark Stosberg

    new LiFePO4 battery has started dying at 50% capacity

    Hello, I have a question about the battery performance I'm seeing with my electric Yuba Mundo. The summary is that the battery has started dying at 5 amp hours, when it is rated as a 10 amp hour battery, and originally lasted about 9 amp hours. The battery is LiFePO4, 36 volts, from...
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