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  1. T

    anyone know of any decent suppliers of 18650 3.7v cells

    Not strictly e-bike related but i have recently bought some new lights for my e-bike which run on 18650 3.7v cells. I have bought a few of these from varying suppliers and I am having trouble finding any that are actually anywhere near the outbut they say they are. For instance, i bought a set...
  2. T

    The perfect bike frame for a rear hub?

    Hello all, Im trying to find out if there exists a bike frame that would be perfect for a high performance rear hub motor with regen. My current frame "GT aggressor XC3" is a strong and sturdy frame with very wide and tight dropouts but even with this and a torque arm fitted using regen twists...
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    What effect exactly does changing phase amp ratio have?

    Hello all, been playing around with the settings on my 12fet controller but there is one thing that im not really understanding. What exactly does changing the phase amps do in relation to the battery amps. for instance. battery amps are set to 40A. If i have 2:1 ratio and set phase at...
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    Any tips for waking up lazy NIMH cells?

    Hello guys, Not exactly EV related but i have some ~ 18months old NIMH cells @ 1.2v 6000mah that never got used and im trying to repurpose them for a solar project im doing but the cells just are not performing how they should. They were charged at the time of storage to ~50SOC, checked all...
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    Solar charging NI-MH

    Hello All, I have been using solar for a couple of years now but only been using SLA as storage batteries but i have a requirement for a project of a small solar setup that can handle short duration high current demand, perhaps only 30-40 minutes. Now i know lead can handle it but to size the...
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    anyone know of a DC/DC converter with 5v USB out?

    Basically im looking for a small unit that i can hardwire into my pack which is 12s lipo so 40-50v tolerances. that has a 5v USB output (minimum 500ma) so that i can plug my android phone in while i ride as i use it for GPS and data logging. I bought one of those cheap 110/220v USB plugs that...
  7. T

    Anyone used these Schwalbe tyres on their bike?

    Hey all, Im on the market for some new tyres and looking for something a little different to the knobblies that i have on at the moment. I stumbled accross these tyres on Amazon from Schwalbe...
  8. T

    Hobbyking HD wing camera 720p 30FPS

    Hey, Just noticed this camera http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=17200 on the new items list at HK, looking at some of the recently uploaded video's this looks like amazing quality for $35. Obviously its not a complete unit with mounting brackets or the like but...
  9. T

    LIPO - Turnigy or Zippy, that is the question?

    Ok, so long story short im waiting for HK lipo to come back in stock at the Euro warehouse buit something that has always bugged me and i have never found an answer on the threads i have read / tried to find on the subject is this. Just what is the difference between a Turnigy 20C 6S 5000mah...
  10. T

    swbluto simulator file?

    Hey guys, Benn looking for the swbluto simulator, i noticed that all the files uploaded to this server forum were corrupt and also found a link to an FTP site holding the file but that was corrupt also. Does anyone have a working copy of the simulator that can be uploaded as it sounds like its...
  11. T

    E-bike handlebar switchgear?

    Hey guys, Still trying to source bits for my upgrade and I’m now looking for handlebar controls. At the minute the main function I want on the handlebars is a 3 speed switch and a momentary switch for regen. I’m hoping to find something with both functions contained in a single switchgear...
  12. T

    Wire Guages and amp limits.

    Guys, Im in the process of designing the wiring for my new setup and realised that i have no real idea as to what amperage you can safely run on what guage of wire. I have had a look arround but seem to find conflicting numbers on sites. Is there a rule of thumb or a defined way of working...
  13. T

    flat seat post rack ?

    the problem with a flat bar stem is that it does not supply as much weight bearing ability as a 3 dimensional stem or pole. I dont think that i have ever seen one with a flat stem either (and i have looked at lots as i have just baught a replacement for my old one that gave way :( ) I did...
  14. T

    AC Lipo charger?

    Hello, Im just looking into chargers and although i know its important to get a decent charger and a good power suply im looking for something a little more compact and portable as a backup. Just wondering if anyone on here has found an RC lipo charger that can handle 6s charge and 100-150w...
  15. T

    F1 - 1.6L Hybrid engine possible for 2013

    http://uk.eurosport.yahoo.com/19042011/58/parr-greener-engine-vital-f1.html Sounds like a step in the right direction to drive the Hybrid and electric message to more people?
  16. T

    In triangle battery housing help required?

    Hello, I'm in the process of designing my next E-bike, i know the battery is going to be Lipo, and im looking at 4x 22.2v 8000mah zippys for 44.4v 16ah of battery weighing in at 6KG, unless anything better comes out in the meantime. I really want to get away from the back rack mounted battery...
  17. T

    Nine Continents 2806 @ 44.4v lipo question

    Hello, Im looking at the Nine Continents 2806 front hub with 35amp controller from Ebikes.ca and wanting to run it on 12s lipo @ 44.4v. I have been looking at the ebike simulator and trying to work out what kind of speed i could hope to get out of it. I have tried using the ebike simulator...
  18. T

    Will a 250w Bafang front hub run ok on 48v?

    Hey, I currently have a 250w rated bafang front hub motor (http://www.szbaf.com/proshow.aspx?id=73) which is currently running on 36v. the suppied controller was really gutless putting out only 8 amps max and 5 amps constant at 36v. I recently upgraded to a keywin (e-crazyman) 25a brushless...
  19. T

    Noob help request - derestricting road legal kit.

    Hello, I have been following these forums for a few months now and reading all your stories and looking at your cool projects. I was going to jump straight into the deep end and try and build my own e-bike from scratch but then after reading some of the issues you lot have come up with in the...
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