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  1. #1
    RC Qualifier
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    Oct 2005
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    GR, MI
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    675

    battery plugs spark when i plug them in

    is this common? Every thing works fine.....

  2. #2
    RC Champion
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    Yes it's normal.
    Stop busting my canards!

  3. #3
    RC Turnbuckle Jr.
    Join Date
    Jun 2010
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    Miami, Fl
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    All my plugs do the same thing, pretty normal.

  4. #4
    RC Qualifier
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    Oct 2005
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    ok, whew. I bumped up to 5s lat night and the spark was larger LOL

  5. #5
    RC Qualifier
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    Apr 2010
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    Northern Michigan
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    840
    I believe it's from the capacitors charging up. More voltage bigger spark.

  6. #6
    RC poster
    Join Date
    Apr 2012
    Location
    High Point, NC
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    13
    For those of you that know, does the switch on the ESC have anything to do with this?

    I think my switch is defective. It doesn't turn off the ESC. It is always on when the batteries are plugged in.

  7. #7
    RC Turnbuckle Jr. 87 GN's Avatar
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    Mar 2010
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    kansas
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    8,657
    switch has nothing to do with the spark..
    I leave my switch on all the time. In time you will need to bypass it anyways..

    BrianG.....
    http://www.scriptasylum.com/rc_speed/nospark.html
    Would you go flip my truck back over??

  8. #8
    RC Racer
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    Mar 2012
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    Shelter Island, Alaska
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    181
    That switch is not working right, i just leave mine on and just unplug the batteries. My switch is actually taped over to keep it from going off when i flip. The spark with 6s is really big and I was afraid it'd light the truck on fire!

  9. #9
    RC Champion
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    Quote Originally Posted by 87 GN View Post
    switch has nothing to do with the spark..
    I leave my switch on all the time. In time you will need to bypass it anyways..

    BrianG.....
    http://www.scriptasylum.com/rc_speed/nospark.html
    FYI: You aren't supposed to use a pre-charge resistor on any of the Mamba line of ESCs. It even says so on that page.
    http://scriptasylum.com/rc_speed/

  10. #10
    RC Racer
    Join Date
    Apr 2012
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    Roan Mountain, TN
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    The best thing to do is if you plan on using a 4s or bigger battery. Get a 2s and plug it in and power up the system and drive it for about two min then stop unplug and install the bigger lipo and it should do a kind of pre charge on the caps. And for future info you are charging the capacitor not the resistor. The resistor is use to slow the voltage to the ESC.

  11. #11
    RC Champion
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    Quote Originally Posted by Mist_Raider View Post
    That switch is not working right, i just leave mine on and just unplug the batteries. My switch is actually taped over to keep it from going off when i flip. The spark with 6s is really big and I was afraid it'd light the truck on fire!
    HeHe, It might if your truck is made out of cotton balls and kindling.

  12. #12
    RC Racer
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    Mar 2012
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    Quote Originally Posted by BL-Bob View Post
    HeHe, It might if your truck is made out of cotton balls and kindling.
    lol It's made of more like duct tape and super glue!

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