F15-0 Engines (29 mm)

The Estes F15-0 engine is a powerful booster stage engine designed to take your multi-stage rockets to impressive altitudes. With a long thrust duration and no delay, this engine delivers continuous power from ignition until burnout—perfect for staging to an upper engine for continued flight. It’s a 29 mm engine that packs a punch, ideal for larger models and ambitious rocketeers looking for high-thrust launches and extended performance.

What sets the F15-0 apart is its exceptional thrust duration of 3.45 seconds, providing sustained lift and helping rockets gain serious altitude before the second stage kicks in. The engine’s high total impulse and maximum thrust of 25.26 Newtons make it a reliable choice for boosting heavier rockets without sacrificing speed or stability. Whether you're flying for fun or competition, the F15-0 helps deliver a dramatic and effective first-stage launch.

Compatible with 29 mm engine mounts, this booster engine fits seamlessly into a range of Estes multi-stage rockets, including those in the Pro Series II line. Designed with performance and precision in mind, the F15-0 supports long, powerful flights and smooth transitions to upper-stage ignition—giving hobbyists a dependable option for high-performance missions. No tools or modifications required to get started—just load it, launch it, and let it soar.

Each pack comes with two F15-0 engines, two starters, and four starter plugs, so you're ready for multiple launches right out of the package. These engines are a perfect choice for experienced flyers looking to add intensity to their staging sequences and push the limits of altitude and flight duration.

ATTENTION: Estes Industries, 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 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.