Power your rockets with Estes 18mm standard engines—our most popular and widely used motor size. Perfect for beginner and intermediate flyers, these engines deliver dependable thrust for a wide range of Estes model rocket kits. Whether you're launching a Ready-to-Fly model or a build-it-yourself kit, 18mm rocket engines offer balanced power, safe launches, and consistent performance.
Choose from a variety of engine classes to match your rocket and flight goals. The 18mm size includes A, B, and C engine classifications, each offering different levels of thrust and altitude potential. Whether you're aiming for a short, low-altitude flight with an A8-3 or a high-reaching adventure with a C6-5, you’ll find the perfect engine for your mission in this collection.
Compatible with most Estes rockets and launch systems. These standard engines are designed to work with a wide selection of Estes kits, from beginner models to more advanced builds. Each engine pack includes igniters and recovery wadding plugs, making it easy to prep for flight with minimal setup time.
Ideal for classrooms, youth programs, and hobby launches. Estes 18mm engines are trusted by educators and hobbyists alike for their proven reliability and safety. Whether you're conducting a STEM activity or enjoying a backyard launch, these engines provide the perfect balance of power, altitude, and ease of use.
