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  1. D

    Iso Kepler friction drive

    I have two of these I never got around to installing. Message me if you're still interested
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    Ebikes on BLM land

    It seems the site is down at the moment for scheduled maintenance. I will check it again later to make sure that my link still works.
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    Ebikes on BLM land

    The BLM is currently asking for input as to whether or not to allow electric bicycles in areas where bicycles are already allowed on lands they manage. Here is the link: https://www.regulations.gov/docketBrowser?rpp=25&so=DESC&sb=commentDueDate&po=0&dct=PS&D=BLM-2020-0001 Please take a minute...
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    bluetooth BMS?

    I recently installed the following bms on a 20s pack. https://www.lithiumbatterypcb.com/product/20s-lithium-smart-bluetooth-battery-bms-with-50a-constant-current/ I have it set up to charge and balance only, battery is connected directly to my controller on the discharge side. It works really...
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    Controller Issue

    So I was riding into work the other day and I had an issue. When I use the throttle, the wheel locks up and groans like the phase wires are switched up in the wrong combination. The same thing happens when I use the brake. The controller was still powered up and powering the CA, I was able to...
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    RC Motor Issues

    I had a chance to test my motor this weekend with a $10 ESC and a servo tester from HK. The motor is working just fine. I'm still not sure how the heck I killed those FOCBOXes but at least I can get a commuter going. I have a cheap 6FET controller on the way but I'm seriously considering wiring...
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    RC Motor Issues

    That's exactly what I can't get my head around. I plugged in my battery and the phases and got twitching on the first controller, the weird noise on the second controller. I didn't have a throttle plugged in when the damage occurred. Didn't get a chance to run motor detect until after. As far as...
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    RC Motor Issues

    So I finally got around to setting up my Kepler Drive commuter this weekend and I think I killed 2 VESCs. I'm using an FOCBOX and a Turnigy 6354 260kv. I plugged in one phase wire and as soon as I got the second one in the motor started twitching and suddenly stopped. In BLDC Tool I'm getting...
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    Troubleshooting help

    Doh! Taking the motor apart was actually one of the first things I did after checking my wiring. I mostly assumed the motor was the issue because I did something stupid when this motor was new and ended up severing a couple of wires. I thought maybe my rewiring job was to blame. Honestly I had...
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    Troubleshooting help

    I was actually thinking FETS but I wasn't sure. I guess my next step is to wire up my backup controller and take this baby apart. Thanks everyone. Dogman in particular I'm a big fan of the knowledge you spread on the Sphere.
  11. D

    Troubleshooting help

    So a couple of things. I had time to take the motor apart and check my wiring and I haven't found any shorts anywhere. the motor is surprisingly clean inside with the exception of the ferrofluid I was running. I also tested the halls and they all checked out okay. I had time to hook up an old...
  12. D

    Troubleshooting help

    Went for a ride this morning. Was powering to the top of a big hill and I lost power. I wasn't hitting it particularly hard because it's muddy where I'm riding. And I don't believe I smoke the motor I wasn't anywhere near my thermal cut offs. But I haven't been able to get any response from the...
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    PowerVelocity controller review

    Is there a way to reset the odo? There was a period a while back where the odo was going whether I was actually moving or not. I suspected some sort of halls issue but before I did anything it just started working correctly. The bummer part is my controller reads like I put over 57,000 miles on...
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    Combining 3 LiPo batteries?

    mean well hlg-320h-24a I've been using one of these to charge 6 paralleled 6s 10ah packs for about a year now. On the bike I configure for 20ah of 18s. Voltage and amps are adjustable and even though current drops to 0 once voltage is reached I unplug right away once charged. I check cells on...
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    Kepler Bottom Bracket Friction Drive For Sale (Finally)

    Can I get on the list too please?
  16. D

    Buying a 8000w E-bike?

    There are a lot of factors for speed but the big one is voltage. I'm on my fourth ebike and weigh 200 lbs and so far 72v seems to be the trick for breaking 40 mph (without field weakening). For torque/getting up to speed quickly amps are the key. I see you bought a bike. If you ever decide to...
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    Adaptto Midi-E overheating problems?

    There is also a traction control trick that will get you amazing power off the line. I forget the details but it is on the forum somewhere.
  18. D

    Adaptto Midi-E overheating problems?

    I ran an Adaptto Mini-E for about 6 months last year and had really similar issues out of the gate. If I remember right I solved the heating issues by looking for Ind Timing and Angle settings used by other members for the motor I had at the time (H3540) and by getting some thermal paste and...
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    E-bike restricted trail access and hate

    I have been riding and driving the Portland area since the early 90s. I don't think one group breaks the law more than the other. I see the same behaviors no matter what mode of transportation I use. I'm pretty sure it's human nature; both our perception of who is breaking laws and our tendency...
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    Bulk charger for 18S Multistars?

    Well that's just beautiful. I forgot that each paralleled block reads it's own voltage at +/- and series voltage only at the ends. The funny thing is I'm pretty much already set to charge this way. Each of my 2x paralleled packs has an extra lead from an older setup where I was running 3x...
  21. D

    Bulk charger for 18S Multistars?

    Hey Alan. How do you wire it up to charge the 3x 6s packs as separate units while they're still in series? Is it as simple as adding a charge connector to each or would that show series voltage at the connection? On my current setup I run 3 sets of 2x 6s packs for 18s 20ah. On the bike I have a...
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    Bulk charger for 18S Multistars?

    Hey Alan. Early on an ES member said I wasn't really bulk charging because I was breaking the string. He thought it was silly that I was charging multiple 6s packs instead of leaving it at 18 or 24s. I did explain that I charge all the packs at once so there is no difference in the result. The...
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    Bulk charger for 18S Multistars?

    I can also vouch for the HLGs , although some have pointed out to me that it's not traditional bulk charging. It's pretty easy to pull my load harness and plug in a parallel harness. Currently I only have one HLG, the same one as Alan B. I can charge 6 10ah bricks in about 3 hours which is...
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    Hobbyking 6S BMS

    This sounds really cool to me. I was under the impression that they should be kept within 1 hundredth. It was several months of use before I saw a variance of .02. Lately all of mine are within 1 hundredth after a ride (3.8 and 3.81 or 3.79 and 3.8 ) but vary 2 or 3 hundredths after charging. I...
  25. D

    H3540 bearing replacement

    Cool. Thanks man. I'll give that a try this weekend.
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