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The Estes F15-8 engine is a high-thrust, single-stage engine designed to deliver long-burning power for mid-size and heavy rocket flights. With an 8-second delay, it's a strong choice for rockets that climb high and need time for stable coasting before deploying recovery systems.
Built for performance, the F15-8 features a 29 mm diameter and delivers over three seconds of thrust for an extended, dramatic boost phase. Whether you're looking to push your rocket higher or experiment with heavier builds, this engine brings the power to make it happen.
Take your model rocketry to the next level with the Estes F15-8 engine—a powerful choice for single-stage rockets that need long-duration thrust and a delayed recovery system deployment. This engine is designed for impressive altitude and high-performance launches, making it a favorite among seasoned rocketeers and hobbyists pushing the limits of what their rockets can do.
With its extended 3.45-second thrust duration and robust 29 mm diameter casing, the F15-8 is ideal for rockets that need a sustained boost phase. The 8-second delay gives your rocket time to coast and stabilize after burnout, ensuring smoother deployments and potentially higher peak altitudes. It’s particularly well-suited for heavier or drag-intensive models that require a longer burn and post-thrust coasting phase before recovery activation.
Made with high-quality composite propellant, the F15-8 delivers 49.61 N-sec of total impulse and a peak thrust of 25.26 Newtons, providing an exciting and visually dramatic liftoff experience. Its versatility and performance make it a go-to option for rocketeers building mid-power designs that aren’t quite ready for E-engine limitations but aren’t stepping up to G-class power yet.
Whether you're refining a custom build or launching a trusted favorite, the Estes F15-8 engine gives you the duration, strength, and delay timing to fine-tune your mission and push for higher, more precise flights. It's everything you'd expect from Estes—quality, reliability, and performance that stands up to every launch.
