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  1. mikebikerad

    Holiday Lighted Ebike Ride - Seattle, WA

    Hi All, A little bit last minute (since this is tomorrow) but if you are in Seattle, come join us! We had about 10 people last year, and should have a good # more this year! https://www.meetup.com/Seattle-Electric-Bikes-Meetup/events/236204771/
  2. mikebikerad

    Calling All Seattle Electric Bike Riders

    All Seattle eBike riders interested in meetup rides, networking, etc please join the newly created Seattle Electric Bike Association and Seattle Electric Bike Meetup Group by following the links below. These groups/associations are still in their formative stages so we are looking for help from...
  3. mikebikerad

    May 17th: Seattle Parade Invite

    The 17th of May Parade celebrates the National Day of Norway or Syttende Mai. The parade has grown to 25,000 spectators and has become a Ballard community celebration. The parade is this Sunday, May 17th at 4pm and check-in is at 3pm. This is the first year electric bikes have been approved to...
  4. mikebikerad

    RC Boat Towing Paddle Board

    This worked pretty decent. It would be better with an optimized prop since the cavitation was terrible and a water pump for cooling since at the slow speeds the water cooling system has no pressure so controller and motor get toasty after 5 minutes. We broke the little plastic prop at the very...
  5. mikebikerad

    Electric Bike lawnmower still needs refinement

    My buddy gave me his old push mower after we saw a video of a regular pedal bike with a push mower attached to the front, naturally we knew what need to happen next! :twisted: After riding it around for over an hour yesterday, we have come to the conclusion that the front mounted push mower...
  6. mikebikerad

    ESPIRE awesome e-freeride video

    Not mine but saw it on youtube and could not find it on the sphere. Either way it deserves way way more views :D Anyone on here get one of these yet? 7Y9BhmUTvA0
  7. mikebikerad

    Daimler Smart EV Truck

    Besides the awesome e-bike charging setup would anyone actually buy one? http://www.azcentral.com/business/consumer/articles/2012/01/13/20120113Smart-unveils-electric-pickup-concept.html
  8. mikebikerad

    X5404 Build Kona Coiler LIPO w/ VIDEO

    VIDEO! http://www.youtube.com/watch?v=yYKO6X7tvZg I finished this a month back but figure I should post it. I love this motor.....until I have to lift it into the back of the truck! Needless to say this motor is a torque monster. I will have to get a cromotor at some point, but for now I got...
  9. mikebikerad

    Using a geared hub motor with regen?

    Hi ES, I have been playing around internet all morning but can't find good info.... Has anyone ever used a geared hubby with Regen either by disabling the freewheeling or are there any geared motors without freewheeling? I know this could damage the gears but still interested. Thanks
  10. mikebikerad

    Giant Trance Build mikebikerad

    Just got this done last night and went out for a standard late night ebike ride after finishing the build 5 hours later than anticipated :D 2012 Large Giant Trance X3 Crystalyte H3540 w/ sks bearing drilled three 3/4 inch holes in side cover to aid cooling and moisture removal. 48v 45 amp with...
  11. mikebikerad

    Go Kart Conversion

    Just finished this project up. Hope this is the right section?!? And almost ready for new tires after the first run!! 65 volts 40 ah 20c LiPoly D&D ES-15 Alltrax 450 amp turned to 100% qH1KCfwLQFQ
  12. mikebikerad

    Northern Cali "Generation Green" EV EXPO

    4th annual generation green zone at the 36th annual Summer arts and music festival In Humboldt County What: The Most Comprehensive Celebration of Art, Music, and EV'S on the North Coast When: Saturday & Sunday, June 2nd & 3rd, 2012 / Open 9:30am - 10pm Where: Benbow Lake State Recreation Area...
  13. mikebikerad

    Jet Kayak RC components

    Just finished this up. Cobra Tandem Kayak, Uses 2X Graupner Jet Unit 5. I still need to determine optimal RPM. Video shows jets running at ~8k rpm pulling 6kw, Will try the jets at 16k rpm this weekend Update NOV 21st: Waiting on a new pump for water cooling, the original water cooling was...
  14. mikebikerad

    Whats the best MTB rim for 12 gauge spokes??

    I have a few of the new crystlytes that were the unfortunate batch with wayyyyyy to big of spoke holes in the hubs. What rims have you guys used that fit 12 gauge in the eyelet? Thanks!
  15. mikebikerad

    HS3540 burnt up already?!?!

    I have just successfully burnt up an hs35!!!!!!!!!!!! Bike setup: Giant dh comp 95 lbs complete 72 volt 100 amp infineon Headway 16 ah pack unrestricted Hs35 stock! Little little phase wires. I wanted to lower the weight of my bike for trail riding and I assumed the hs35 would be the perfect...
  16. mikebikerad

    Any Ideas for a New Video?

    Hi All, I made a quick video of an e-bike wheelie about a year ago as seen in first video below. And then we just made this one of our new KMX kart conversion. I was wondering if people on the sphere had any cool ideas for our next video????? Thanks for looking and for any advice UpBX0ymFtI4...
  17. mikebikerad

    BMS Wiring for Headway Cells

    I could use some advice on how to configure the 72volt Heaway BMS I have for the 24 10ah cells that I have. Does anyone have a schematic from headway. This is the Headway BMS with two sets of balance wires, one with 12 red wires, and the other with 12 red and one black wire. Where do these wires...
  18. mikebikerad

    Throttle Problems?

    The most unreliable part of any one of my electric bikes or motorcycles has always been the throttle. Almost every bike I have built has gone through some form of throttle destruction. Wires pulling out, touchy acceleration, or just dying and leaving you stranded have all been common faults for...
  19. mikebikerad

    Rad Power 48v Dean Titanium!

    I don't know if this is the first titanium e-bike but I think there should definitely be a club. I mean if we are going to spend our lifes fortunes on Lithium we might as well buy the best frames :D This e-bike rides really nice. The Ti frame is very stable yet it is very smooth unlike a steel...
  20. mikebikerad

    Rad Power 60v BIGHIT

    Here is my most recent build. I got some trail riding in today and I was really impressed. The regenerative braking locks up the rear wheel just enough to slide high speed corners. This bike rides very stable and has some guts. Stats Are 2004? specialized BIGHIT 60v 20amp/hr Ping nine conts...
  21. mikebikerad

    Hybrid LiPO4 battery charging????

    Has anyone experienced the effect of charging a thundersky bank in their EV via a small generator (honda) during operation. I wan't to increase the range but I don't want to invest $10,000 US to travel a reasonable distance. Just a thought mike
  22. mikebikerad

    Rad Kona Kikapu

    This has been a very successful conversion. This is my 9th build and has already provided me with over 200 miles of excitement in the last month. Here is a video of the bike: http://www.youtube.com/watch?v=NoZTnnfpeZU I purchased a used kona kikapu, installed a new used fork from one of my...
  23. mikebikerad

    melted phase wires ?

    riding the 72 volt yesterday 15 or so miles in 90 weather I didn't encounter any problems. Today It would not switch on after a night of charging. inspection of the components reviled that the phase wires melted the electrical tape insulation at the bullet connectors causing them all to bunch up...
  24. mikebikerad

    4 Wire Throttle Instead of 3?

    I am ordering some throttles. Can I use a 4 wire throttle with an infineon controller which uses a 3 wire? Just don't use the 4th "led" wire? Thanks
  25. mikebikerad

    Current flowing through my bike frame????

    I need some assistance. Yesterday I saw a good amount of smoke coming from the negative terminal of my 48 volt foxx 10amp 48v pack. Disconnected the terminal as really damaged luckily no explosions! :shock: I replaced the cell and started to try and figure out what was wrong. I am getting...
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