Collection: Large (24mm) Engines

Large Model Rocket Engines – 24mm

High-Thrust 24mm Engines for Powerful Model Rocket Launches

Power up your flights with Estes 24mm model rocket engines. Designed for larger rockets and higher altitudes, these engines deliver more thrust and longer burn times than standard 18mm motors. Ideal for intermediate and advanced flyers, 24mm engines are the perfect upgrade for rocketeers ready for bigger, more thrilling launches.

Compatible with select Estes rockets and custom builds. These larger engines are built to fuel rockets designed for high performance and heavier payloads. Whether you're flying Pro Series II kits or modified models with 24mm motor mounts, these engines provide the reliable, high-energy propulsion you need.

Available in multiple engine classes and power levels. From D to E engines, Estes offers a range of 24mm options to match your altitude goals and rocket specs. Each pack includes essential components like igniters and plugs, making prep quick and efficient for your next launch.

Trusted power for ambitious launches. Estes 24mm engines are tested for safety, consistency, and performance—so you can launch with confidence. Explore the collection and stock up on the engines that deliver maximum power for your most exciting missions.