F5B setup for Twister/Hawk etc. 1100Watt to 2300Watt drive for your F5B Twister and 3-5s LiPo. Goes to 3s 3500 or 4s 3000SLS 45C without lead addition. Hook the regulator in the fuselage against inside right side and the battery passes beside when pushed forward. Easier to launch a light setup, accelerates more brutally, less weight when landing. Stays up longer and climbs faster and is almost indestructible in the most daring maneuvers such as full throttle square loops. The best prop for a light hawk is the RF 15x16.On 4s preheat battery for 1 hour to 40 ° C!With this setup (preheated batteries) possible to climb rate of up to 60m / sec. are possibleThat means 216Km / h vertically.We recommend the Micro-Edition 5: 1N 4plus transmission for outputs over 1000 watts.