How to Make My RC Boat Fast

Written by jeff slater
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How to Make My RC Boat Fast
Your RC boat can cover water rapidly with a few choice upgrades. (Jupiterimages/ Images)

Remote control (RC) boating offers modelers a relaxing RC experience while delivering a satisfying rush. These model boats can achieve speeds of 100mph or more, and unlike helicopters or planes which require a minimum of four channels to attain controlled flight, RC boats need just two channels, throttle and left-right directional stability. This makes RC boating easily accessible, as most can drive a model boat on the first attempt. In the never ending quest for more speed, many hobbyists modify and tweak their boats to run as fast as possible.

Skill level:

Things you need

  • Sport propeller
  • Spoiler
  • High discharge batteries
  • Upgraded motor

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  1. 1

    Replace the stock factory propeller with a larger, more-efficient sport prop for your motor. The more water the prop can move the more thrust it will deliver. In addition, aftermarket props are typically made of high-strength lightweight materials, allowing them to spin faster and be more durable than many standard props.

  2. 2

    Add extra downforce and stability to your boat with a rear spoiler. Spoilers become extremely effective at high speeds, or in rough conditions which can easily cause your boat to "porpoise" or bounce out of the water.

  3. 3

    Connect a high-discharge lithium polymer battery on a brushless set-up for the ultimate in electric power. These batteries are designed to provide stable high-current power delivery at 35C (C ratings indicate the total sustained amps the battery can provide) rates or better, coaxing the most power possible out of the motor.

  4. 4

    Install a slightly larger motor than stock to take your boat to the next level. A boat that has a .28 cubic-inch engine can typically accept a .35 motor without any balance or weight issues.

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