Motor upgrade

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  • DBJr
    Senior Member
    • Jul 2012
    • 108

    #1

    Motor upgrade

    Thinking about upgrading the motor in my Proboat Blackjack 24 to a Leopard 3650 2750kv motor.

    I was just wondering if this is too high of a KV for 3S. Comes out to roughly 34,650 unloaded RPM with a fully charged 3S pack. Might be around 26,000-27,000 RPM in the water. I currently run an Octura M440 prop which works very well on this boat.

    I run a Dynamite 3S 5000mAh 50C lipo in this boat so I'd think it'd be able to handle the increased power.
    Current boats
    Aquacraft Cajun Commander, Aquacraft Mini Alligator Tours - brushless, ProBoat Blackjack 9, ProBoat Impulse 9, ProBoat Recoil 17, ProBoat Blackjack 24, ProBoat Shockwave 26 BL V3
  • Navherc130
    Senior Member
    • Sep 2013
    • 151

    #2
    I would guess no. I run a HK 3180kv with 3s and a seaking 120 in my BBY oval master 24. Its a mono. Although I run a 435 prop currently, but have run a 640 with success.

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