The Estes E12-6 engine is a high-thrust workhorse designed for mid- to large-sized model rockets. With a powerful boost and a 6-second delay, it’s perfect for flights where altitude and performance matter most. This engine is ideal for heavier rockets that need extra force off the launch pad while still ensuring safe and timely recovery system deployment.

Capable of lifting rockets weighing up to 14 ounces, the E12-6 provides reliable, sustained thrust for models that require extended coasting before ejection. The longer delay makes it especially well-suited for rockets with sleek, efficient designs that benefit from more time to climb after burnout. Whether you're flying a Pro Series II rocket or another advanced model, the E12-6 delivers dependable, high-altitude flights.

Each package includes 2 engines, 2 igniters, and 4 reusable starter plugs, giving you everything you need for two full launches. Estes' precision-engineered engines are rigorously tested for quality and performance, giving you peace of mind when it’s time to launch. Just pair it with the right launch pad and controller, and you’re ready for a powerful takeoff.

Whether you're upgrading from D-class motors or optimizing for longer coast times, the E12-6 is the go-to engine for rocketeers ready to push their rockets to greater heights. It's the ideal choice for experienced flyers who want big performance in a versatile, easy-to-use format.

Compatible Rockets:
Hi-Flier XL
Big Daddy
Pro Series II Vogel
Saturn 1B

ATTENTION: Estes Industries, LLC and Echo Six LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC and Echo six LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

These engines cannot be sent to post office boxes. Please be sure to provide a PHYSICAL ADDRESS when purchasing E and F sized engines.

E and F sized engines cannot be shipped to Alaska, Hawaii, Puerto Rico or Guam.