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  1. Thud

    Spinningmagnets 3Dprinter project-build log

    Hello gang, Awhile back (during the "world domination" thread) my good friend Ron had the bug for a 3d printer. He bought some printed parts & planned to "home shop" the rest. IIRC the plastic kit would build a Prusa Mendel i2. Like myself, Ron's time is... lets say "occupied" by life's daily...
  2. Thud

    RIP Dave Mirra

    apparent suicide. total shocker This guy was a true inspiration for me. source: http://www.wral.com/police-bmx-rider-dave-mirra-dies-at-41-of-apparent-suicide/15321384/
  3. Thud

    New 80-100 130kv + simple 2-stage reduction

    Good evening non hub sphereites. I promised myself I would not build anything untill i finished a bike for a member here....but that pooped out last weekend. So I am working on a lil item that was spawned a long time ago...& now will come into being as a platform for the now available again...
  4. Thud

    Swincar...all terain vehicle

    I did a google search & this doesn't come up anywhere around here.....wasn't exactly sure where to post it Some neat free castering suspension arms....& i don't know if there is any active suspension components... Anyway, looks like a hoot. xW6bTE0XdWI
  5. Thud

    crowd sourcing a power distrabution system

    Hello sphereite's. I am working on a custom, Mobile cart to hold 36 laptop computers & their charging units. My problem, all chargers all chained together will draw in excess of 50 amps...I need to separate the chargers into 4 groupings & have an automated unit to switch 120vac between the 4...
  6. Thud

    KTM freeride is going into production 2015

    Looks like the waiting is over...(for Europe anyway) http://youtu.be/Ed3o_DJQA1U Ed3o_DJQA1U There are rumors of a Motard version heading across the pond.....still to pricey for the working man.
  7. Thud

    Tesla goes open source....a new dawn for american buisness?

    just lernt about this....I think its a freash start & a bold move. will any of the profiteers follow the lead? http://www.theregister.co.uk/2014/06/12/musk_opens_up_tesla_patents_for_all_to_use/
  8. Thud

    ThunderDrome 2013

    The urban ladscapers are at it again. http://thunderdrome.com/ This is a "run what you brung" event for all the bicycle hippies & moped counter culture types in the mid west. It is the closest thing to burning man we have in michigan(if burning man was a one day event & celbrated two wheeled...
    • Thud
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    • Replies: 0
    • Forum: EVents
  9. Thud

    GCinDC's new DH COMP.....project aborted

    After much ahdoo & waffling (& copius finger drumming by supposedly paitent onlookers :P ) I present My idea of what a DH comp should look like (eventually) A little history: G bought a Scott dh bike in a moment of weakness & was soliciting ideas for the build...I offered to give it the full...
  10. Thud

    Electric Vehicle ride & fuel economy challenge Michigan

    April 27 2013. Earth week. http://www.deltabike.us/130427.htm Ends up in downtown Muskegon Michigan. the route runs right past my house 8) I did see Kraig S. on his e-motorycle last fall buzzing down the road. gonna be chilly but I will be there. Any ideas what would be a good E-bike entry? I...
    • Thud
    • Thread
    • Replies: 1
    • Forum: EVents
  11. Thud

    ES Magnet Zapper: design & usefullness?

    Histor: Back in the RC racing days, the local club purchaed a "motor zapper" for 540 sized motors & charged a couple bucks to re-energize & align the magnets in the motors. (cheap ceramic I believe) On well abused stock motors we could instantly see a difreance. Discusion questions: Are neo...
  12. Thud

    A day at the bike Factory

    hehe..a day in my work shop LOL! http://vimeo.com/39401575#
  13. Thud

    Space -X

    Elan's team did it! Congradulations to the Space-x team for docking with the space station. god luck on the return trip..... Now if he can keep Tesla on the road....& eventualy make something an average Joe could actualy have access to....not just admire from afar.
  14. Thud

    Mongoose "Hatchet" (how to polish a BSO)

    A week or so ago I was in town & thought I would drop by & look at the crap on the rack at the wallmart. I was more than a little suprized by what I found. Particularly the Mongoose lineup of FS mountain bike shaped objects. Being weak & easily distracted by shiny stuff, I flipped a coin &...
  15. Thud

    RC reduction Simplified

    Good evening gang, I am building a group of 4 identicle bikes to keep around for when friends drop by & we feel the need to bang into each other motocross style in the back yard :P I have been working on a few ideas regarding making rc drive systems as easy as possible....& bullet proof. :D...
  16. Thud

    Spline cutting in hardened freewheels.

    Kfong asked: I don't know if this is applicable but I though i would share it here & not polute the other sprocket thread. Any one who follows my threads knows my distain for over priced bicycle parts & my afliction to serial right side drive systems... Enter the ASC crossfire: a $25 doallar...
  17. Thud

    Power wheels race series (maker fair-hakerspace)

    Hey gang, Ive been contacted to consult to a team that is building these karts for a fun series. I love the concept &these are the guy's who ran the Makerfair race last year in detroit (that the thunderdrome guys piggybacked onto) anyway looks like a hoot! Kfong, search Craigs list & find a...
    • Thud
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    • Replies: 27
    • Forum: EVents
  18. Thud

    Tooth to magnet ratio & its effect on Kv........

    I have been goofing with the on-line simulators compairing senario's in an attempt to better understand all the variables in motor design. I have an 80-100 turnigy di-sected currently & was going to raise the magnet count to 8 pole prs.(from 7) The set up has alligned the all the north poles...
  19. Thud

    West coast race series anounced

    Where? Riverside California Adams motorsports park The primary info thread is here: http://motorbicycling.com/f35/bairdco-racing-series-begins-march-17th-36520.html#post358294 Any one curious about the amature racing scene should really stop by & check out an event..give it try you'll be...
    • Thud
    • Thread
    • Replies: 10
    • Forum: EVents
  20. Thud

    1/10 mile dirt tracking & motored bike Ralley in OHIO

    Finaly, a chance for redemption! member CamLifter is hosting a free event at the LIL'Indy kart track in scenic rural ohio on sept 24th & 25th....free camping & .....ah poo, just read all abaout it: This guy is a world class fabricator/show bike builder & rides an e-bike to work in the...
    • Thud
    • Thread
    • Replies: 6
    • Forum: EVents
  21. Thud

    DETROIT MAKER FAIR ROAD RACE JULY 30-31

    just got blogged from the thunderdrom kooks. will be re-assembling the Brute for this one if time allows... :mrgreen: :mrgreen: :mrgreen: :mrgreen:
    • Thud
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    • Replies: 9
    • Forum: EVents
  22. Thud

    3 speed freewheels

    I been looking for these myself...Guess i haven't searched for awhile cause there they are! http://cgi.ebay.com/Bicycle-Scooter-Speed-Wheel-Sprocket-Flywheel-Freewheel-/330563107858?pt=Cycling_Parts_Accessories&hash=item4cf718bc12 upon closer inspection, these look like standard 5 speed's with...
  23. Thud

    FET killing Inductance controll......

    I started this post as a PM to one the ellectrical power gurus on the board...but after proof reading it, I thought the answer (or answers) May be of value to the general population. (hope I am right in that regard) Today I had a conversation with an ellectricaly minded fellow. He head's the...
  24. Thud

    Thunderdrome Bike Ideas....next event 6/12

    Hey Gang, I was playing with the #s today & have a very limited time to get a bike together for the Velodrome event this saturday. My DR bike just made it home today..but I think i want some bigger wheels & suspension on the broken concrete that is the Dorias velodrome. Any one ready to throw...
  25. Thud

    Thuds death race weapon..Video added 5/20/11

    Hello gang, Man its tough to make time to get all your stuff done & just the way you want it. I had such big plans for the upcoming event..A carbon fiber frame, modified Xiechang controllers, custom wound motors...a full on custom "Factory" assault on the P1 kart track..... Building a 1-off...
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