Taming my brushless Mini V

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  • wparsons
    replied
    Make sure the prop is sharpened and balanced well, that will help with torque roll a bit too. You could also shift your battery to the left to help fight it rolling right.

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  • G1ST
    replied
    Yeah torque roll has been my nemesis with this boat.
    It'll all fall in to place.
    The fun is in the process.
    thanks
    Greg

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  • TomM
    replied
    Anything under around 27,000 would be okay. Just watch temperatures and torque roll. Be gentle, its a small boat and requires finess to drive

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  • G1ST
    replied
    I probably should go with a X427 since I have 3100 kv to contend with.
    I can always prop up.
    I just want to get up into the correct rev range.
    Greg

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  • TomM
    replied
    I run a x430. Temps are very mild. Never has a problem at all, i could prop it up a little bit, but then I'd be risking torque rolling

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  • G1ST
    replied
    Originally posted by TomM View Post
    3100 kv is very high. Chances are that could be attributimg to your problems. With mine i have a 2700kv on 3 cell and even then it starts to get a little bit hairy as higher speeds. The .098 flex cable conversion should help because it will give you a greater selection of props to choose from.
    Tom what prop are you running on yours?
    Greg

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  • G1ST
    replied
    I figured it was probably way too much motor.
    Hopefully I'll get to order a 2 cell battery and some small props when payday rolls around.
    Thanks fpr the input
    Greg

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  • martin
    replied
    A 380 brushless motor on 3s is way to much on this size boat. Martin.

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  • TomM
    replied
    Originally it comes with a brushed motor. The stock esc can handle the 7.4v lipo, but the outdrive normally melts the u-joints when you hook up a 3s lipo.

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  • martin
    replied
    Sounds like the motor has been replaced with to powerfull motor, Arnt the original fitted with a 3000kv to run on 7.4v. Martin.

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  • TomM
    replied
    3100 kv is very high. Chances are that could be attributimg to your problems. With mine i have a 2700kv on 3 cell and even then it starts to get a little bit hairy as higher speeds. The .098 flex cable conversion should help because it will give you a greater selection of props to choose from.

    Leave a comment:


  • G1ST
    replied
    Sorry
    It's a Proboat Mini V. About 14".


    All I have right now is 3 cell batteries.

    Greg

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  • martin
    replied
    Just realized its a surface drive as you stated you added a water pick up to one side of the shaft. Martin.

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  • martin
    replied
    Do you know what hull it is & what size is it, Is it sub surface drive & what props are you using. Martin.

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  • tim v
    replied
    try 2 cell

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