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  1. < $20 eZip hub replacement

    eZip rear hub replacement $19.99 shipped


    http://www.bikeforums.net/attachment.php?attachmentid=399052&d=1407925770
    399052
  2. $14.99 w/free shipping...

    $14.99 w/free shipping

    http://www.bikeforums.net/attachment.php?attachmentid=398470&d=1407657692
    Before purchasing, I emailed to confirm left and right thread. (- recommended procedure!)
    Seller...
  3. Thread: Efficiency

    by DrkAngel
    Replies
    7
    Views
    1,447

    Speed vs Range

    Speed vs Range

    Everyone likes more speed!
    Well ... most everyone.

    What most don't realize is the cost of more speed.
    Pulled from the ebikes.ca simulator, I noted the various ranges supplied...
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    Each cell should be clearly marked-branded ......

    Each cell should be clearly marked-branded ... including a unique serial number.
    Pay with PayPal, and if not genuine, you can get your money back.

    Samsung and Panasonic both produce batteries in...
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    Actually, most any motor can push their peak...

    Actually, most any motor can push their peak power and efficiency point past the 50% of peak rpm point ...
    Simple!
    Just reduce the amperage of the controller.

    It is not a function of any better...
  6. Well, 1st off, 36V x 20Ah @10mph on flat paved...

    Well, 1st off, 36V x 20Ah @10mph on flat paved road should give you ~70 mile motor only capability ... without any pedal assist!
    See - Speed vs Range
    At that speed even a slight pedal assist should...
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    Cast vs Forged

    Cast aluminum (alloy) dropouts are liable to break under front hub torques.
    However ...
    Forged aluminum forks (dropouts specifically) are capable of much greater abuse.

    See eHow.com - Aluminum...
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    Bicycle Safety - The Math of Speed - Index

    Prologue ...

    The purpose of Bicycle Safety -The Math of Speed is to numerically illustrate the relationship of a cyclists speed vs the quantity and velocity of passing vehicles. Further, it...
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    Charging

    Back to Index

    Imax B6 1- 6s cells Lipo NiMh Balance Battery RC Charger $22.77
    Great little tool!...
  10. Replies
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    4,167

    Wiring Connectors Circuits

    Back to Index

    Belden tinned copper tubular braid/ground strap 5/16" X 20' $12.99
    10-9gauge Tinned Copper Braid - Great for connecting cells, solders nicely 30-50A continuous recommended...
  11. Replies
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    4,167

    Metering

    Back to Index


    Sorry! - Just click on pictures to go to, where available.

    Thought I'd post up some of the bargains I've found!
    This one seemed impressive enough to post, added a few others...
  12. Thread: Aerodynasmics

    by DrkAngel
    Replies
    0
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    1,318

    Aerodynasmics

    Either for speed or range, it is important to consider aerodynamics ... and road load.
    I found some nice charts-graphs that really help!

    Basic aerodynamic shapes - w/drag coefficients...
  13. Thread: Efficiency

    by DrkAngel
    Replies
    7
    Views
    1,447

    Aerodynamics

    Bicycle type, (largely aerodynamics), determines the amount of power to acquire various speeds.
    http://endless-sphere.com/forums/download/file.php?id=122487

    Frontal area is not as much a factor...
  14. Replies
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    Lighting

    Back to Index

    Lighting Roundup

    Cheap Turn, Tail, brake LED w/"horn" - $5.54
    Not good enough for daylight use but "good" for night and lower brightness days.
    I upgraded LEDS - project not...
  15. Replies
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    Hut! Hut!

    Keeping pace with traffic would be ideal!

    Most of my eaBikes are capable of 20+mph-motor only, with some motor and pedal assist till near 30mph.
    Perfect for "in city" traffic - .
    "Blending" with...
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    Tires

    Back to Index


    Tires

    Might have just found my new - Best Bargain Tire!

    Schwinn - 26" x 2.125" heavy ... and it doesn't look too impressive ...
    But!
    Kevlar Belted!
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    View Post

    Apparently, Currie has discontinued the SLA equipped eZip Trailz model in favor of the eZip Trailz Commuter.

    Downside? $749 ... up from $449!

    Upside?
    10Ah SLA replaced by 9.6Ah Li-ion = 200%...
  18. Replies
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    844

    eZip Trailz goes Li-ion

    Oh no!
    Looks like Currie is discontinuing the SLA equipped Trailz!

    Now available are the Trailz, with 9.6Ah Li-ion battery for ~$749.

    Walmart eZip Trailz

    Amazon.com eZip Trailz
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    Insurance

    I was more concerned with the danger of using bicycle components at motorcycle speeds, torques etc.
    Even if you upgrade, reinforce, overbuild every component ... you'll, likely, not come close to...
  20. Thread: Efficiency

    by DrkAngel
    Replies
    7
    Views
    1,447

    eaBike vs eBike vs eMotorcycle

    Yes ... both of you ...
    Something to consider ...
    What do you expect of an eBike?
    See - eaBike vs eBike vs eMotorcycle
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    eMotorcycle

    Enough power that the cyclist becomes a passenger.
    Larger motor provides enough acceleration and speed that trying to pedal becomes hazardous.

    Near 30mph, a proper pedaling position becomes an...
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    947

    eBike

    Typically the motor is the driving force.
    Pedal assist is possible and recommended to increase acceleration or to extend range.

    But pedaling is not required.
    In fact ... at higher speeds,...
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    eaBikes

    Electric assist bike.
    Self-explanatory!
    A bicycle with additional power when wanted or needed.

    The most common and popular. Pedal use is a major motivation factor.

    Electric motor assist is...
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    eaBike vs eBike vs eMotorcycle

    There are differing expectations and uses of eBikes.

    I, personally, would like to sub-categorize "eBikes", into 3 categorizes.

    1. eaBikes - electric assist bikes
    <750 watt output motor ?...
  25. Thread: Efficiency

    by DrkAngel
    Replies
    7
    Views
    1,447

    50A vs 30A Controller

    I've always recommended restrained throttle combined with pedal assist, from a dead stop ...

    For those incapable of throttle restraint, I recommend a reduced amperage controller.

    Full throttle...
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