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  1. S

    Solar recharger

    I have a 100w solar panel I'm trying to use to charge a lifepo4 battery. On my e bike I used an ebay special voltage converter to drop from 36/48v down to 13.8v to run "12v" things and it worked great. This was for things like a headlight and car style accessories. With the solar panel I'm...
  2. S

    BMS charge while in use

    I previously ran a motorcycle battery made of lifepo4 a123 cells that worked well but as a project was not fitted with a BMS. I'm revisiting the idea, but this time with a BMS installed. With these BMSs they usually have one negative wire for charging and one for load. If you were to run this...
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    Throttle shudder

    I've been attempting to increase the current limit on my con93 controller (generic Chinese). It was a 9 fet 18 amp controller running @ 37v (42 fully charged). I upped my battery to 58v fully charged and was getting 1150w peaks. The battery is hobbyking lipolys capable of 160 amps but bms...
  4. S

    Voltage regulators

    I've been using a voltage regulator to supply power to my lighting setup. I've seen some on ebay but I can't quite figure them out from the translated english...
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    Power Supply Adjustment

    I've bought a smaller power supply from ebay that I thought I might be able to use as an on the bike charger. It turned out to be this one: http://www.dss-power.com/cn/ShowProd.asp?id=137 Currently it provides a voltage across the terminals of 42.4V. The seller assures me this is correct as...
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    Sun Rise Int'l

    I've been looking for reviews or experiences from people buying from Sun Rise Int'l (http://theebikemotor.com). I can't seem to find any, either here or through google. Has anyone had experience with them? They seem to have a range of what i think are Q11 motors which appear decent value...
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    Judder/cutout under load

    I'm having trouble with a new Con 122 controller. Wondering if you guys might have had similar issues or any ideas I was running on a con 93 from green bike kit. The bike performed well with no issues. I connected this new controller with just phase, hall and throttle connections. The wiring...
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    3 wire PAS

    I'm having trouble getting my PAS to work. I've get pretty much everything else on the controller working, but this just won't kick in. I'm using the CON93 controller from greenbikekit.com with a 12 magnet PAS. The connectors that came fitted to them match. The controller has a red, black and...
  9. S

    Slow raft power/thrust/energy requirements

    I need some help in determining the power requirements for a slightly different water vehicle. There are some guys at work looking to take part in a homebuilt rafting event.There are about 10 people taking part, with the home built raft (not yet built) probably totaling around 1250-1500kg in...
  10. S

    Brake caliper mount interference

    I'm currently trying to put together an electric bike using a cyclocross frame and a q100 cst motor. I chose it partly because it's fitted with dual cable disc brakes. I'm having an issue with the disc brake mount on the motor. Where the disc would mount, it would protrude into the mounting...
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