1/4A3-3T ENGINES 13 MM 4-PACK BAG

1/4A3-3T ENGINES 13 MM 4-PACK BAG Grades: 4–12+ Number of Students: 1–30 Number of Lessons: NA Hours of Content: NA   Highlights: The Estes 1/4A3-3T is a mini single stage model rocket engine built for lightweight rockets and big smiles. Each retail pack includes 4 engines, 4 starters, and 4 reusable starter plugs so you are ready to fly right away. Curriculum or Lesson Topics: Flight Performance Understand how the 1/4A3-3T Engines deliver lift, acceleration, and a smooth flight profile from launch to recovery. The Estes 1/4A3-3T engine is a compact single stage engine designed specifically for lightweight model rockets. This 4 pack gives hobbyists a convenient bundle that includes everything needed to power four quick flights, including engines, starters, and starter plugs, all in one purchase. What makes these mini engines great is their consistency. The 1/4A3-3T is engineered to produce steady, repeatable thrust so each flight behaves the way you expect. That reliability is ideal for new flyers learning the basics, for group events where predictable performance matters, and for experienced builders who want a small engine with dependable results. Despite its small size, this engine delivers real performance with a total impulse of 0.625 N-sec and a 3 second delay for reliable deployment timing. The short burn and low weight make it perfect for delicate airframes and foam or balsa builds where a gentle boost and soft recovery help keep rockets intact and ready to fly again. For safe and satisfying flights, pair the 1/4A3-3T with the recommended recovery gear and a proper launch setup. Always follow Estes safety guidelines and local launch rules. Add dependable mini power to your next project and enjoy smooth, repeatable launches.   What’s Included: Small but consistent, the 1/4A3-3T delivers a gentle, dependable boost that is perfect for training flights, classroom fun, and backyard hobby launches. If you want predictable flights and easy recovery for tiny rockets, this little engine punches above its weight. Includes: 4 × 1/4A3-3T Engines 4 × Starters 4 × Starter Plugs Technology Requirements/Specifications: Review the full specifications for the 1/4A3-3T Engines, including impulse, thrust duration, delay, and physical dimensions. Special Notes and Considerations: PLEASE NOTE: You must have a physical address for delivery. 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.