Estes Rockets
F15-4 Engine Bulk Pack
F15-4 Engine Bulk Pack
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The Estes F15-4 engine is a single stage engine designed for model rocket flight. This engine is a 29mm diameter engine designed for rockets with a maximum lift weight of less than 21 ounces. This engine is powerful enough for a wide range of launches, providing up to 49.61 Newton-seconds of total impulse. All components are designed for reliability and to ensure maximum safety during flight.
Engine bulk packs come with rocket engine supplies you need to launch 8 rockets. Included are 8 rocket engines, 10 model rocket starters, and 8 starter plugs. Please note that recovery wadding is not included. Use the F15-4 engine to launch some of the largest rockets of the Estes model rocket family!
Live, Online Training and 1:1 Support!
Estes Education has been a leader in STEM education for over 60 years. We know that STEM is a vital interdisciplinary topic that requires hands-on and inclusive learning. Explore these supporting materials to take learning to new heights!
Should you have need, you can meet with a member of Education team for FREE, 1:1 online support to learn rocketry basics, how to apply our curriculum, and discover unique teaching strategies. Our team is eager to answer your questions!
Learn About Model Rocket Safety!
Not sure how to safely launch a rocket with your group? Head over to our dedicated Safety instructions page for videos, support, and more!