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  1. JRP3

    Limited Slip Differential for Belt Drive ESkates

    I came up with one possible solution to low traction wheel slip since I haven’t been able to find a dual shaft motor. I made a “limited slip differential” for the board so I could have the 2 front motors turning together when taking off in low traction situations. Seems to be working pretty...
  2. JRP3

    Anyone make a larger hub motor for electric skateboards?

    I was wondering if there are any larger hub motors for electric skateboards, something that could run a 6-9 inch pneumatic tire? Something similar to what scooters use, seems as if they should have lots of power considering how fast some scooters can go.
  3. JRP3

    Looking for dual shaft motors

    I'm looking for dual shaft motors for an Eboard, similar to this one used by @Stielz I don't know what motor that is, the build thread seems to be gone. Ideally I'd prefer a sealed inrunner for water proofing. So far I've only found a few outrunners, not many choices. This is an EZ Run but...
  4. JRP3

    What's a good Hall effect throttle?

    Since it's an important component I'm looking for a durable and smooth Hall effect throttle. I see a lot of inexpensive ones but am concerned about quality. Are any of these any good? https://ebikes.ca/shop/electric-bicycle-parts/throttles.html...
  5. JRP3

    3Shul controller

    Anyone know anything about these guys? https://3shulmotors.com/prototypes/?v=7516fd43adaa
  6. JRP3

    Motor/controller suggestions for Yamaha XT225 conversion

    I'd like good low end torque, ideally a 60mph top speed but I could live with 50mph. I have two 44V nominal 47ah Samsung packs I plan to run in series for 100V max. The bike in ICE form is 240lbs. I've been looking at some of the QS motors as they seem popular, specifically the 3000 Watt with...
  7. JRP3

    Less aggressive Fat Tire options

    I'm looking for a less aggressive tire choice for a 26x4.5 inch fat bike tire. Currently running Kenda Juggernaut but most of my riding is pavement with occasional packed trail use. 4.5 inch choices seem to be limited and I assume I could also run a 4 inch on these rims. The bike is an M2S...
  8. JRP3

    Wireless BMS?

    I've been intrigued by the idea of a wireless chip on each cell sending battery voltage to a receiver. I've been told that bluetooth probably won't work but RFID might. Does anyone know of an RFID chip that can monitor cell voltage, and maybe temperature? Is this possible? Or if not dynamic...
  9. JRP3

    Sky Energy, CAMA, lithium batteries?

    Anyone ever hear of these guys? http://skyenergy.en.alibaba.com/ Same specs as Thundersky.
  10. JRP3

    Recommendations for a bolt on bike kit?

    Looking for ideas on a simple, inexpensive bolt on setup for my mountain bike. I'm 150 lbs, I want rear hub motor, I need to get up a 2 mile hill on the way home from work, total ride 3 miles, and I'd like to be able to tow a kid trailer with my 45lb dog in it. Regen would probably be nice on...
  11. JRP3

    How would you build an AATV,(amphibious 6 wheeler)?

    Greetings all. I'm contemplating an electric conversion of an AATV such as a Max, Argo, Attex, etc. http://www.maxatvs.com/ They weigh around 700lbs, use anything from a 16-25hp briggs type motor, and a T-20 skid steer transmission and chain drive to the wheels. I'd be happy with 15 mph top...
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