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  1. R

    Magnetic field detection / measurement

    I'm enjoying my Google Nexus 4, $350 unlocked, awesome screen, and very fast pocket computer. It would be nice if it had a removable SD card, but it's not really necessary. I used scissors to cut down my sim card from my HTC Legend (a very slow android phone, with a buggy touchscreen design).
  2. R

    is there a trend to move to Sinus wave forms??

    some others are: http://www.semikron.com/ http://www.piktronik.com/ and I believe these http://www.unitek-online.de/en/produkte/batterie/bamobil_d2_d3.html
  3. R

    Lock is in the hospital, was in a coma

    I just read on the TERA message board Lock pulled out his feeding tube on the 18th, and the nurses fed him. Sounds like good news.
  4. R

    Newby Needs Help on Project

    http://endless-sphere.com/forums/viewtopic.php?f=39&t=19313 http://endless-sphere.com/forums/viewtopic.php?f=7&t=13639
  5. R

    A cool video I made

    Nice video, thanks.
  6. R

    Ebike Project 72V HS3540 UK "build thread" +Videos!

    My HS3540 smelled burnt for the first couple of weeks of 18S Lipo use, with the CA set for 30A. Usual trip data shows an average speed of 35-50 kmh, the max speed is always 72 kmh. 782 total km on this motor so far.
  7. R

    What did you do to your ebike today?

    Can you show us how you are cooling the motor?
  8. R

    Luke's commuter bicycle. What Non-hub is all about.

    Be sure to wear good walking shoes, and maybe get some better directions. :lol:
  9. R

    Humans Beings are amazing

    Great video.
  10. R

    DIY Aptera knockoff?

    I was not happy to read these "rules" from the Motor Tricycles FAQ on the Ontario Ministry Of Transportation website: http://www.mto.gov.on.ca/english/dandv/vehicle/emerging/motortricycles_faq.shtml It appears the "rules" are written to include the BRP Can-Am Spyder and exclude anything else...
  11. R

    Re-winding a hubmotor

    24 gauge AWG I think. http://www.tnt-audio.com/clinica/awg_e.html
  12. R

    Building process E-Freeride bike

    I ran at 54kmh with the 48V 15Ah ping and a 9C 2806, with the CA current limit at 25 amps, but acceleration was slow and hills required high speed or lots of pedaling. With the HT3540 I get 1kmh per volt, presently running 18S 15Ah zippy Lipo at 30A. Much more fun, and safer in traffic. I am not...
  13. R

    Building process E-Freeride bike

    I like that bike. I noticed the bike is on a train, and there is a little sign with a drawing of a bike mounted on the wall. Is there a way to secure the bike to the train during travel? There is a light rail transit project being discussed for my city, I hope it will accommodate bikes. The...
  14. R

    Cyclone Catapult.

    I assume the pedals were rotating under power from the cyclone since the front freewheel jammed, and they threw him up in the air.
  15. R

    PaulD's Race Bike Give-Away

    This bike would help get customers into an ebike store, and help the image of the other ebikes in the store. This would be a place for others to view the bike until the ES electric vehicle museum is opened. If I had the bike that's what I would do, in addition to racing it in any race I could...
  16. R

    *WANTED* technical support 4 design production EU Citybike!

    As I understand it, The Netherlands are very flat, so a front wheel may be adequate (but with a very dangerous failure mode), but where I live the poor traction would make it an unsuitable choice. Are these "80% electric bikes" factory built, or are they conversions where someone else is...
  17. R

    The worlds coolest garage door

    It's sad to see an aircraft hanger not being used for an aircraft.
  18. R

    DIY ebike Chargers

    I've been thinking of building a portable charger, that design route looks promising. Would it be possible to add power factor correction to this design? Intersil has a new chip out that they are calling a cell balancing system. http://premier.intersil.com/auto/EV_HEV.asp I have to get some...
  19. R

    duff ping charger

    I made a hole in the heatsink, there is a large open area on the pcb directly below so there is good airflow. My charger ran extremely hot, I was concerned about the long term effects on the electrolytic caps, xmfr insulation etc. It runs cool now. My wires shorted right at the exit from the...
  20. R

    duff ping charger

    The output wires on my ping charger shorted where they exit the charger. The very soft inner insulation in the wire was the cause. I replaced the wires with longer and stronger wires and it it works fine. While I had mine apart to replace the wires I removed the little fan, taped off that...
  21. R

    how do you change tire flats on ebike?

    I think this is the thread mentioned: http://endless-sphere.com/forums/viewtopic.php?f=3&t=21513
  22. R

    Do you need a e-brake?

    Ontario does require brake cutoffs. http://www.mto.gov.on.ca/english/dandv/vehicle/emerging/e-bike-faq.shtml#a1
  23. R

    E-bike grin restored

    What's your block time set at?
  24. R

    Planned Server Downtime, August 31st 19:30 PST

    I restored all my pictures August 13th and 14th, they are now MIA. I guess I'll wait a few weeks and then upload them again.
  25. R

    Update on Outage, Lost Images, Parse errors, etc.

    +1 Leaves a gaping hole if the OP moves on to other interests, and doesn't keep the photo account.
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