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  1. R

    too much advertising

    Has this forum started getting more commercial? http://endless-sphere.com/forums/viewtopic.php?f=28&t=31217 http://endless-sphere.com/forums/viewtopic.php?f=28&t=31261 http://endless-sphere.com/forums/viewtopic.php?f=2&t=24593&start=870 seems to me there are sales promotions in the non sale...
  2. R

    Connector for Ping Battery /Controller Setup ?

    Yes. If you don't use a precharge resistor when you connect the second wire there may be a spark, this is normal, though it can be alarming.
  3. R

    Electric Aviation News in a Nutshell

    EAA Lightplaneworld has an article this week regarding electric aircraft. http://www.eaa.org/lightplaneworld/articles/1012_electric.asp
  4. R

    1000W Lipo Charger

    Project I need to build a charger/balancer for 12 packs of Zippy 6S 5Ah 25C Lipo. Background I was down in the basement today assembling a parts kit to build a charge controller based on the meanwell charge controller design, and a balancer based on the 12s CellLog CMS-Balancer design. But I...
  5. R

    Kids Tilting Trike

    http://www.pushscooter.co.uk/p/1264/Triker-Kids-Trikes/Triker-Kart-Triker-Rocker-Kart-Black-Flame.htm - made of high quality steel - high quality and tested steering ‘swing’ mechanism - light weight steel coated frame - the well designed seat is unique in the market - special...
  6. R

    Berserker Full Suspension Tadpole

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  7. R

    Australia gets tough on Choppers

    http://www.bikebiz.com/news/19378/Australia-gets-tough-on-Choppers
  8. R

    1000 watt Aotema Maxi-Might Cooked

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  9. R

    Hub Motor Suspension Question

    What suspension system would actually be effective with a rear hub motor? Am I correct in thinking that a typical rear bicycle suspension will be collapsed by the torque applied by a hub motor? i.e. 88 pounds of force to push me up a hill will result in nearly 88 pounds additional force...
  10. R

    Aussie axial flux wheel motor

    http://green.autoblog.com/2010/03/24/super-wheel-motor-from-stealthy-australians-soon-to-surface/ Any recent development?
  11. R

    human-powered flapping-wing aircraft

    http://www.avweb.com/avwebflash/exclusivevids/HumanPoweredOrnithopterFlight_203330-1.html?CMP=OTC-RSS
  12. R

    Lithium Prejudice

    UPS has assisted in the war against lithium prejudice. http://www.avweb.com/avwebflash/news/ups_dubai_crash_investigation_update_203333-1.html?CMP=OTC-RSS
  13. R

    Need help with gear reducer.

    I know very little about physics/math/mechanics (but enough to get me in some real trouble sometimes). Does any one know if this reducer would be suitable to use for an rc build reduction drive? nameplate says 0.4 kW ratio 1:10 shafts are 14mm and 24mm dia. assembly weighs 20 pounds...
  14. R

    Rebelpilot's EV projects

    I have been lurking technology and aviation forums for a long time, and ran across ES in June while researching Nine Continents hub motors. Nice forum. This is my second post. I posted on the Building the Best Controller thread and Kingfish welcomed me to the forum. Thanks Kingfish! Now I feel...
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