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Thread: 2 Batts, 2 ESCs, 1 reciever

  1. #1
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    Default 2 Batts, 2 ESCs, 1 reciever

    Setting up a twin electric boat. I have two batteries, two ESCs and one receiver. I planned to use a servo splitter so I can control both motors simultaneously.

    I am powering the receiver with the ESCs. My concern is this. Will combining both ESCs with the splitter double the input voltage to the receiver and fry it?

  2. #2
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    In a word, YES! I would highly recommend disabling the BEC's in both ESC's and adding an onboard battery for the receiver/servo. As an alternative, on twin motor setups in airplanes, the BEC of ONE of the esc's is disabled when using a Y connector to the throttle channel of the receiver. Only ONE BEC is needed to run the receiver and servo.
    Mini Cat Racing USA
    www.minicatracingusa.com

  3. #3
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    YES I agree 100% with what sailr said... just disable both bec's and run a rxr pack.... you will have alot less heartache......

  4. #4
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    Would not just pulling the red wire out of the plug that goes to one reciever work ?
    It would be alot easier in his light duty scale boat he is building

  5. #5
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    Quote Originally Posted by eboat View Post
    Would not just pulling the red wire out of the plug that goes to one reciever work ?
    It would be alot easier in his light duty scale boat he is building
    Red wire from ESC A cannot touch red wire from ESC B. So red wire needs to be disconnected on either A or B on the ESC or Y splitter before the join.
    FighterCatRacing Team CHING BLING - Ching Bling. Brilliant, Advanced Sparkle for your hull.

  6. #6
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    Ok that was my question. So just cut the red wire going to the receiver from one of the ESCs?

    These are the ESCs I'm using. They have a built in switch also.
    http://www.offshoreelectrics.com/pro...rod=dh-prb2314

  7. #7
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    Quote Originally Posted by FighterCat57 View Post
    Red wire from ESC A cannot touch red wire from ESC B. So red wire needs to be disconnected on either A or B on the ESC or Y splitter before the join.

    That is what I said take the red wire out that goes to one ESC

  8. #8
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    These ESCs have brown-red-orange wires. So take out the red (center) of one of the ESCs?

  9. #9
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    Quote Originally Posted by ScarabChris View Post
    These ESCs have brown-red-orange wires. So take out the red (center) of one of the ESCs?
    Yep. Center Red of one ESC.
    FighterCatRacing Team CHING BLING - Ching Bling. Brilliant, Advanced Sparkle for your hull.

  10. #10
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    Perfect, thanks guys! I didn't want to have to carry another battery in the boat.

    Making progress on the build, check for updates in the boat building thread within the next day or so.

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