{"product_id":"estes-a3-4t-engines-10013","title":"Estes A3-4T Engines #10013","description":"\u003cp\u003e\u003cstrong\u003eEstes A3-4T Engines #10013\u003c\/strong\u003e is an Estes model rocket engine for powered model-rocket flight and launch-day use.\u003c\/p\u003e\u003cp\u003eThe Estes A3-4T engine is a single-stage mini model rocket engine built for lightweight rockets and designed to deliver consistent, reliable performance. With a total impulse of 2.50 N-sec and a peak thrust of 6.80 newtons (1.5 lbs), this 13 mm diameter engine provides a solid boost for rockets weighing up to 2.0 ounces (57 g). Its 4-second delay allows for a steady coast before the ejection charge activates, helping ensure a controlled flight and dependable recovery system deployment. With a thrust duration of 0.60 seconds, the A3-4T delivers a quick, moderate-power lift-off that’s ideal for rockets requiring a longer delay before ejection. Whether you're launching a favorite kit or testing a new build, the A3-4T supplies reliable thrust and timing that supports a predictable flight path, perfect for hobbyists looking for dependable performance from a mini engine. Each engine pack inclu\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 10013\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST10013\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046642245944,"sku":"EST10013","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010013-A3-4T-Bag.png?v=1790553159","url":"https:\/\/munclemikes.com\/es\/products\/estes-a3-4t-engines-10013","provider":"Muncle Mikes","version":"1.0","type":"link"}