====== Variable-speed Engine ====== {{tag> needs_review untagged unlocated}} {{rsz_motor_leftside.jpg?400|}} // // ===== Description ===== A motor that can change speed by rotating the dial on the side Instructions Plug it in to start the engine, rotate the dial on the side to change the speed * ===== Purpose ===== ===== Apparatus ===== ===== Setup ===== ===== Notes ===== Cannot be used until outfitted with a ground wire Updated: May 4th, 2015 // Demo room information // | **Location** | ---- | | **Maker** | Unknown | | **Current State** | Working |