{"product_id":"estes-a3-4t-engine-flight-pack-10058","title":"Estes A3-4T Engine Flight Pack #10058","description":"\u003cp\u003e\u003cstrong\u003eEstes A3-4T Engine Flight Pack #10058\u003c\/strong\u003e is an Estes model rocket engine flight pack for model rocketry, launch-day use, and hobby programs.\u003c\/p\u003e\u003cp\u003eThe Estes A3-4T Flight Pack delivers a balanced combination of performance and control, making it an excellent option for lightweight model rockets. With a total impulse of 2.50 N-sec and a 4-second delay, the A3-4T is ideal for small, streamlined rockets needing a gentle but reliable boost. Its short thrust duration of 0.6 seconds provides a quick lift-off while leaving plenty of time for a safe recovery sequence. This engine can lift rockets weighing up to 2.0 oz (57 g), making it best suited for mini engine-powered models with 13mm engine mounts. It reaches impressive speeds and altitudes with a max thrust of 6.8 newtons, delivering a strong initial push before handing off to recovery deployment. The 4-second time delay offers sufficient coasting time for many light rockets before the ejection charge fires. The compact design, just 1.8 inches in length and weighing only 0.28 oz, ensur\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 10058\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST10058\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":53046643753272,"sku":"EST10058","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010058-A3-4T-FP-Bag.png?v=1790553207","url":"https:\/\/munclemikes.com\/products\/estes-a3-4t-engine-flight-pack-10058","provider":"Muncle Mikes","version":"1.0","type":"link"}