OVERVIEW Here's an ESC and brushless motor system that serves as an ideal upgrade for RC airplanes with an approx. wingspan of 29.5-35.5-inches (745mm) and with a weight between 20-24-ounces (567 - 680g). The system features a lightweight brushless 450-watt ESC that delivers a continuous 50-Amp output to the 1060kV outrunner-style brushless motor. The ESC and motor are prewired with 4mm gold bullet plugs and a standard receiver plug to connect to your radio system. Just solder up your favorite battery connector and use the included motor mount for quick and easy installation. The ESC can handle 2S-4S LiPos, and the combo includes a prop adaptor plate and prop cone.