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Mr A.A

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About Mr A.A

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    India
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  1. It's a hassle to change tires or fix punctures on an EUC, would love to hear opinions on how any design changes will make it easier. can you hold the axle securely with this design ? Open dropout used in bicycle forks possible ?
  2. Hope you have seen this thread, don't know what happened to it.
  3. https://www.elektroniknet.de/international/directly-cooled-electric-motor-made-from-polymer-materials-162192.html Can this be applied to EUC motors ?
  4. My dream is to build my own EUC based on this design. Retro, exposed rivets, brushed aluminum or steel.
  5. Agree with everything here, So, what can we do to make it different ? crowd fund an open EUC motherboard ? find manufacturers who can supply quality components ? Imagine a scenario where you can choose your motor, tires, battery, then build a custom chassis based on your weight and needs. Those who are less inclined towards DIY, makes good business opportunity for current sellers. We have a lot of testers who'll happily test the prototypes, or we'll force them to
  6. I have no idea what that is, but willing to learn new things, This has gone off topic from the main discussion and we are hijacking Marty's thread. hope some moderator can merge relevant posts into a new discussion or into the old one
  7. As far as I know, the main hurdle is the motherboard, everything else is available in the market or can be easily procured, like Hub motor, batteries, BMS. There was some interest in making an open source motherboard on this forum, but it went cold. I really wish to see some innovations in this regard, A modifiable motherboard will open the floodgates to custom built EUC's. https://www.kellycontrollers.eu/villany-motorok/agymotor-hub-motor https://www.kellycontrollers.eu/motor-vezerlok/kefe-nelkuli-bldc-brushless-vezerlo https://toshiba.semicon-storage.com/ap-en/semiconductor/product/motor-driver-ics/brushless-dc-motor-driver-ics.html https://www.infineon.com/cms/en/applications/solutions/motor-control-and-drives/brushless-dc-motor/ http://www.spdcmotor.com/product-category/dc-hub-motor/brushless-hub-motor/ These things are incomprehensible to me, but for someone interested here are some links, there are many based on Arduino too https://www.researchgate.net/publication/329935151_Self-Balancing_Autonomous_Unicycle_using_Raspberry_Pi https://www.tomshardware.com/news/this-raspberry-pi-balance-bot-wont-fall-down https://raspibotics.wixsite.com/pibotics-blog/post/01-build-a-self-balancing-robot-with-legs-boston-dynamics-handle-inspired https://www.researchgate.net/publication/261126156_Design_and_control_of_a_two-wheel_self-balancing_robot_using_the_arduino_microcontroller_board
  8. S18 for the win, they have a large audience.
  9. "Fastest Electric" search shows this video 3rd on the list, but "fastest electric unicycle" brings it to 7th position. And "fastest electric wheel" brings it to the top of the search result. These guys have around 675k subscribers, they have some beautiful shots of the sexy KS S18, more people are going to know abut EUC's
  10. I don't know how this happened , just baffled.
  11. A question regarding EUC's From your long distance travel experience, what features do you miss in an EUC ? From the current available EUC's which do you think would be perfect for the long distance scenario ? A wheel like Sherman with long range, or the suspensions wheels S18 and V11 with more comfort, (you guys have already placed order for the suspension wheels) Is charge time a bother ? Fast charger necessary ? Would you prefer a small wheel like Mten3 ? which would be easier to carry on trains or buses, and upon reaching someplace interesting you can go sightseeing on the wheel.
  12. Something like this could be very useful while travelling, where you have to charge multiple Items. https://www.nytimes.com/wirecutter/reviews/best-travel-power-strip-with-usb/ ps: Amazing pics, Beautiful Places. Thanks a lot for taking the time to share your journey with us.
  13. Can the same technique be used in reverse ? (tilting the pedals 2 degrees backward) to making hill climbs easier. So that you don't have to lean forward too much. It's real inspiring to see the openness towards documenting and disclosing the flaws, so that they can make it better. And it was a "Tribulation" for Marty, as from the title of the thread itself. Looking forward for being triumphant. Can't imagine walking down, with all the protective gear and the wheel, in that temperature.
  14. I have stated in above posts why I am not Buying an EUC now. You might have missed it I wish to move somewhere close to nature, where EUC's are legal without being in grey area. Current Law states "Vehicles with below 250W and speed less than 25 km/h, do not require certification, and riders are not required to obtain a licence to drive, to carry insurance, or to wear a helmet." "Electric Vehicles, which have power less than 250 W and speed less than 25 kmph are not categorized as motor vehicles. Hence the transport rules are not applicable for such exempt category vehicles."
  15. I haven't found any solid data on the time it takes to learn a Bicycle or EUC, both have vague figures from half an hour to couple of weeks. On the efficiency part, my data is from this thread
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