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  1. gensem

    Protests against the government in Brazil

    I tought I should post about whats going on Brazil, because I hardly see any media coverage and when something pops in the internet is usually telling the police was trying to control the crowd and had to use force. There are several more vídeos showing the same, people being shot with rubber...
  2. gensem

    Cromotor in ebikes.ca simulator

    Does anyone know why cromotor has removed from the simulator?
  3. gensem

    New frame for another ebike

    I wanna built a bike that looks alot more like a regular bike and it should be not heavy. Mac ll be the motor of choice... Probably the 400rpm one running on lifepo 12s. Now I need a decent dh frame to use with my dual crown dual brake forks. I was trying to find a used norco aline or maybe...
  4. gensem

    Infineon controller

    I got an EB224 controller that has 8 shunts (about half the resistance of a stock one). I know I should program the controller with half battery amps that im looking for but does the same applies to phase current?
  5. gensem

    Throttle

    I played with several throttles and im yet to find a suitable solution. Would love a throttle like the Magura but with half the rotation and working from 1v to 4.2v out of the box. Its there a throttle like that available? What throttle are you using?
  6. gensem

    Magura Throttle

    I just did the usual resistor mod to use the throttle with infineon controllers. Now the signal is raging from 1.250v to 3.220v wich is good. But the modulation is not good, its reaching 3.2v at 60% of the throttle circunference. Is there a way to make it reach 3.2v at 100% throttle? Im using...
  7. gensem

    CA Calibration

    Ok, so I was trying to calibrate the shut using Justin/Methods way. 1) I plug the CA into your controller 2) I attach a power supply to your controller 24s lipo charged to 4.1 3) I set the iCharger constant current source (Foam Cut) to 10A 4) I attach the (+) iCharger output to your main...
  8. gensem

    Looking for a power supply

    Currently I have two possible candidates Mean Well RSP-1500-24 or ProTek R/C Super Pro 2000 Is there anyone using a Protek? Im not asking about the MW because its a well known brand.
  9. gensem

    FMA Powerlab 8 v2 1344w Smart charger

    Im thinking about ordering one of these http://www.revolectrix.com/pl8_description_tab.htm Is there anyone using FMA chargers here? What you guys think?
  10. gensem

    Infineon 24fet regen mod

    Im a little bit puzzled with the controller, I want to do the R12 mod, throttle regen and brake regen mods. Would I be able to mod the R12 with a 5.6kohms resistor be ok with it (maybe two 5k6 resistor in parallel)? So BK + GND will enable regen braking, but I want the throttle regen to be mild...
  11. gensem

    KP Chargers in series

    I have to have two 50vdc 5amp kp chargers, would CC/CV work if I series the chargers for 100vdc charging?
  12. gensem

    MW or KP charger

    Reliability wise, Would I be better getting two NES-350-48 to use in series for 24s lipo charging or a single KingPan 800-900w charger?
  13. gensem

    Lipo/Lifepo4 in damp weather

    I was questioned by a friend today about Lithium batteries for bicycle and hot weather. He lives in Rio de Janeiro wich has a very hot and damp weather... He was telling me that lead has a much longer life in these condition and he is not going to use lipoly. I mean I never heard anyone...
  14. gensem

    Building a swing arm (help needed)

    I plan on making a swing arm to replace my broken one, but im not sure what steel alloy should I use. http://img688.imageshack.us/img688/681/bicicletinha.jpg I ll make the arm 2" longer and wide enough for 4" tires. I can order any off thoses alloys for the tubes (im gessing 4130 should be my...
  15. gensem

    Swing Arm (Broken)

    Expert opinions needed. Trash it or try to solder it? its aluminium...
  16. gensem

    2KW charger

    Does anyone here have used one like these before? http://www.kingpan.cn/Product-24.html Shoulda I take any precaution aside of using a 20a outlet? Thanks
  17. gensem

    Nano-tech 6s 8000mah (USA)

    I guess turnigy is feeling that ebikes worth it (zippy is probably selling alot of thoses 8ah packs) http://www.hobbyking.com/hobbyking/store/__21431__Turnigy_nano_tech_8000mAh_6S_25_50C_Lipo_Pack_USA_Warehouse_.html Hoping for higher C big packs soon.
  18. gensem

    EB209 Current issue

    Im having an odd issue with a 9fet 4110 infineon controlle. CA is being used to measure the current(its calibrated using an icharger using Methods technic). No matters how many amps I set using XPD or parameter designer It never goes over 25amp. I know the parameters are being sent to the...
  19. gensem

    Phase current

    Lets pretend im running 200 amps from the battery with 2.5x phase, wich would allow phase amps to be 500. How is all thoses amps transfered to the hub motor... are they equally split by the 3 phase wires or sometimes a single phase would be able to see, lets say 250-300 amps? Thanks
  20. gensem

    FS Frame + Cromotor + Lipo

    I know most people around ll not care, but my new commuter frame just arrived. Need to cut the battery bag a little but thats pretty much it. My arm is still ill but I finally felt happy with my ebike after the crash. Edit: Video links start on page 7.
  21. gensem

    Collarbone

    Does it look bad? any medic around?
  22. gensem

    Steve Jobs

    I just saw that Steve Jobs died... im not really a big fan but I still feel somehow sad. I wish that the ebike comunity had someone like him pushing the envelope. RIP Jobs
  23. gensem

    30 AWG teflon wires

    Had a hardtime finding this, so I tought I should post it. http://www.bulkwire.com/wire-cable/ptfe-high-temperature-stranded-wire.html Seens like a good deal, and they have several color and sizes. :)
  24. gensem

    Spokes for big DD

    Whats kind of spokes do you guys used put with big DD hubs like X5? The hub im going to use is bigger (like a magic pie) but it weight less, around 10kg. Wheel is going to be a 46mm 24" double wall. I was thinking about regular bicycle 13/14 sapim... would that be a good choice?
  25. gensem

    Sapim spokes

    Are Sapim spokes any better than wheelsmith or dtswiss spokes?
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