{"product_id":"1-4a3-3t-engines-13-mm-4-pack-bag","title":"1\/4A3-3T ENGINES 13 MM 4-PACK BAG","description":"\u003ch2\u003e1\/4A3-3T ENGINES 13 MM 4-PACK BAG\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGrades: 4–12+\u003c\/li\u003e\n\u003cli\u003eNumber of Students: 1–30\u003c\/li\u003e\n\u003cli\u003eNumber of Lessons: NA\u003c\/li\u003e\n\u003cli\u003eHours of Content: NA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003eHighlights:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ecom__heading ecom-db\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003eCurriculum or Lesson Topics:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ecom__heading ecom-db\"\u003e\u003cstrong\u003eFlight Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnderstand how the 1\/4A3-3T Engines deliver lift, acceleration, and a smooth flight profile from launch to recovery.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eWhat 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.\u003c\/p\u003e\n\u003cp\u003eDespite 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.\u003c\/p\u003e\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cspan\u003eSmall 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.\u003c\/span\u003e\u003c\/dt\u003e\n\u003cdt\u003e\u003c\/dt\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e4 × 1\/4A3-3T Engines\u003c\/dd\u003e\n\u003cdd\u003e4 × Starters\u003c\/dd\u003e\n\u003cdd\u003e4 × Starter Plugs\u003c\/dd\u003e\n\u003cdd\u003e\u003c\/dd\u003e\n\u003cdd\u003e\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003eTechnology Requirements\/Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReview the full specifications for the 1\/4A3-3T Engines, including impulse, thrust duration, delay, and physical dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0516\/9142\/1854\/files\/Technical_Specifications.jpg?v=1784821779\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003eSpecial Notes and Considerations:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE:\u003c\/strong\u003e\u003cspan\u003e You must have a physical address for delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eATTENTION:\u003c\/strong\u003e \u003cem\u003eEstes 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.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":50964177453303,"sku":"ECC-10010","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0516\/9142\/1854\/files\/010010-1-4-A3-3T-Model-Rocket-Engines-Package.webp?v=1784821570","url":"https:\/\/stemfinity.com\/products\/1-4a3-3t-engines-13-mm-4-pack-bag","provider":"STEMfinity","version":"1.0","type":"link"}