ESC XL-2.5 Waterproof TRA3024R Product Type_Playing Cards filling in around castings and

filling in around castings and as an adhesive

Open or closed hatches and torpedo doors

You can even add flooring

Not according to this guy

ESC XL-2.5 Waterproof TRA3024R Product Type_Playing Cards filling in around castings andDetails: This is the Traxxas XL 2. 5 Electronic Speed Control, with Low Voltage Detection. Designed and engineered by Traxxas, the XL 2. 5 Brushed Electronic Speed Control provides smooth throttle control with 380 size and smaller mini motors and is completely waterproof for all weather R C driving fun. This high performance ESC is packed with impressive specifications and features that are normally only found on expensive high end replacement units.