White wire succses story!!!!

Discussion in 'Electronics & Lighting for Motorized Bicycles' started by BSA, Jan 5, 2009.

  1. BSA

    BSA Guest

    I've got the white wire to power my headlamp.

    Single 6V/3W bulb
    plugs gapped 0.025"

    and it works really well!!!!:grin5:

    pics to come.

    BSA
     
  2. cooltoy

    cooltoy Member

    So does the light get brighter as you rev her up?
    Just wondering
     
  3. BSA

    BSA Guest

    Yes it is a bit dim at idle but brightens up with any reving at all really.

    BSA
     
  4. Mountainman

    Mountainman Active Member

    ride that lit up THING

    that's very cool BSA
    and many have been asking for an easier softer way to attain a good light
    --------------- without using batteries ---------------

    that little wattage bulb shouldn't be taking much from your elect
    power to spark plug -- have you noticed any drain (loss of power) ?

    have fun as you ride that lit up THING
     
  5. cooltoy

    cooltoy Member

    do you use an on/off switch? I'm just wondering if starting would be easier with the light off.
     
  6. BSA

    BSA Guest

    No not as such, although you will need an on off switch as starting cold with the light on is very difficult, you will need to increase the idle speed and make sure that the bike is plenty warmed up if you want to turn the light on while idling if you see what I mean.

    BSA
     
  7. Mountainman

    Mountainman Active Member

    worth a little trade off I would think

    well I think that does tell us that you may be loseing
    a little juice to the bulb there BSA
    but - let's face it -- having a steady burning light -- is a great THING
    worth a little trade off I would think

    ride the heck out of that lit up at night MB THING
     
  8. bluegoatwoods

    bluegoatwoods Well-Known Member

    We're happy for you. But does 3 Watts make very much light?
     
  9. SirJakesus

    SirJakesus Guest

    I've seen a vid on uToob with a guy that did the same thing with low wattage front and rear lamps. It worked well enough for him to be seen, probably even during the day. It didn't look like enough light to ride at 20+ mph but something is better than nothing. If Simonator had a simple system like that on his first MB test run at night he wouldn't have been creamed by an SUV. You'd be surprised how much more space and respect the cagers will give you if you're lit up during the day. I say its a must have.
     
  10. bluegoatwoods

    bluegoatwoods Well-Known Member

    And even if it doesn't give all of the light that one might wish, then you just add one or two battery operated lights. Now you've got light and you have backup in case one fails.
    That's bound to happen if you ride much.
     
  11. creamed_Emu

    creamed_Emu New Member

    white wire problem solved

    Hey guys, just read about your troubles. i put together a rectifier and cap and measured the output. 7 to 12vdc Any load kills the spark. Seems the positive half cycle charges the CDI module and the negative half triggers it. any loading on the negative disrupts the CDI, so im using a single diode to load the positive half of the cycle, charging a 6v 4Ah battery, running a 1w led lamp, charging My nokia. No trouble starting, no negative effects when riding. The setup has been running for 100km now with no problems. Hope this helps

    Ben.
     
  12. ZnsaneRyder

    ZnsaneRyder Member

    Ben, that helps a lot and answers some of our questions! If you are charging a 6V battery, that's nice to know that there's enough power to do that!
     
  13. nadroj

    nadroj Member

    any more info on this, do you have to ground the neg on the battery to the motor. what is the part number of the diode?
     
  14. heathyoung

    heathyoung Member

    A normal power diode - IN4001/IN4007 would be fine.
     
  15. creamed_Emu

    creamed_Emu New Member

    any power diode that can handle at least an amp will do, as heathyoung said. Earth the battery's negative somewhere to the motor. Wrap the diodes around a small screwdriver or coathanger to give it little spirals for stress relief against vibration. Hope this helps, ben
     
  16. nadroj

    nadroj Member

    yes that helps, did you make a bridge rectifier? I was thinking that may be the best way to go to help keep the battery better charged
     
  17. creamed_Emu

    creamed_Emu New Member

    a bridge would load down the negative too much to give a reliable spark. Im working on a circuit to modify the spark timing, and noticed the cdi shunts all power greater than approx 2v on the negative cycle. This can be avoided with a few components allowing you to extract every last watt from that white wire. Ill post my progress as it happens or PM me if you'd like to help out. Ben.
     
  18. impression

    impression Member

    could i trouble you for a mspaint diagram of the wiring ?

    i'm keen to go with the following

    White > Battery > light

    and also put a solar panel in aswell to charge the battery during daylight hours and have the white wire charge the battery when the bike runs.

    I got White > light going, but the bike won't start, i guess it's putting too much strain on it, this is why i want it to 'drip' charge a 6v battery aswell as the solar to help that way i'd have enough juice in the battery for the ride home when it's dark :)
     
  19. duivendyk

    duivendyk Guest

    BSA, do you have a multimeter (volt/amp/ohm?.
     
  20. BSA

    BSA Guest

    yup read about 4.5 volts at idle ad 6volts if you give it some gas.

    BSA
     
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