{"product_id":"estes-a3-4t-engines","title":"ESTES A3-4T Engines","description":"\u003cp\u003eThe Estes A3-4T is a mini single-stage engine built for rockets up to 2.0 ounces—ideal for hobby and specialty retail. With a peak thrust of 6.80 newtons and a 4-second delay, it delivers consistent performance for lightweight rocket flights.\u003c\/p\u003e\n\u003cp\u003eEach retail pack includes four engines, four starters, and four starter plugs—offering a convenient, all-in-one engine option for customers seeking dependable Estes quality.\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e- 4 A3-4T Engines\u003c\/dd\u003e\n\u003cdd\u003e- 4 Starters\u003c\/dd\u003e\n\u003cdd\u003e- 4 Starter Plugs\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e\u003cstrong\u003ePLEASE NOTE:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYou must have a physical address for delivery.\u003c\/p\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-3cytodr3g9l\" data-core-is=\"block\"\u003e\n\u003cdiv class=\"ecom__element element__heading ecom-element ecom-html\" data-stopdrag=\"true\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-3cytodr3g9l\"\u003e\n\u003cdiv class=\"ecom__element element__heading ecom-element ecom-html ecom-type-deffault\"\u003e\n\u003cdiv\u003eOverview\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-935yj497y5t short-description\"\u003e\n\u003cdiv class=\"ecom-element ecom-product-single ecom-product-single__description\"\u003e\n\u003cdiv class=\"ecom-product-single__description-wrapper\"\u003e\n\u003cdiv class=\"ecom-product-single__description-container\" data-show-type=\"full\"\u003e\n\u003cdiv class=\"ecom-product-single__description--paragraph\"\u003e\n\u003cdiv class=\"ecom-html-des\"\u003e\n\u003cp\u003eThe Estes A3-4T engine is a mini single-stage model rocket engine designed for lightweight rockets, making it a valuable addition to any retail model rocketry lineup. 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 delivers consistent, reliable performance for rockets up to 2.0 ounces (57 g). The 4-second delay before ejection provides hobbyists with dependable recovery system deployment and stable flight paths.\u003c\/p\u003e\n\u003cp\u003eWith a thrust duration of 0.60 seconds, the A3-4T is ideal for rockets requiring moderate thrust and a longer coast phase before ejection. Its predictable performance and proven reliability make it a popular choice among model rocketeers, offering retailers a strong-selling option for customers flying lightweight rockets with mini engines.\u003c\/p\u003e\n\u003cp\u003eEach retail pack contains four A3-4T engines, four starters, and four starter plugs—providing a complete launch solution for consumers. The inclusion of starters and plugs simplifies purchasing and makes these packs an easy choice for hobby shops looking to offer all-in-one solutions on their shelves. With trusted Estes quality, these retail-ready packs support both individual sales and repeat purchases.\u003c\/p\u003e\n\u003cp\u003eThe A3-4T engine’s balanced thrust, consistent performance, and convenient packaging make it a reliable, high-turn product for retailers stocking model rocketry essentials. Backed by Estes’ reputation for quality, it’s a proven engine choice that supports customer satisfaction and store loyalty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATTENTION:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eEstes Industries, LLCand Echo Six 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 and Echo Six 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\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-935yj497y5t short-description\" data-core-is=\"block\"\u003e\n\u003cdiv class=\"ecom-element ecom-product-single ecom-product-single__description\"\u003e\n\u003cdiv class=\"ecom-product-single__description-wrapper\"\u003e\n\u003cdiv class=\"ecom-product-single__description-container\" data-show-type=\"full\"\u003e\n\u003cdiv class=\"ecom-product-single__description--paragraph\"\u003e\n\u003cdiv class=\"ecom-html-des\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eTotal Impulse:\u003c\/strong\u003e\u003cbr\u003e2.50 N-sec\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cbr\u003e1.8 in. (4.6 cm)\u003cbr\u003e\u003cstrong\u003eTime Delay:\u003c\/strong\u003e\u003cbr\u003e4 Seconds\u003cbr\u003e\u003cstrong\u003eDiameter:\u003c\/strong\u003e\u003cbr\u003e13 mm\u003cbr\u003e\u003cstrong\u003eMax Lift Weight:\u003cbr\u003e\u003c\/strong\u003e2.0 oz. (57 g)\u003cbr\u003e\u003cstrong\u003eWeight:\u003cbr\u003e\u003c\/strong\u003e.28 oz. (7.9 g)\u003cbr\u003e\u003cstrong\u003eMax Thrust:\u003c\/strong\u003e\u003cbr\u003e6.80 Newtons (1.5 lbs)\u003cbr\u003e\u003cstrong\u003ePropellant Weight:\u003cbr\u003e\u003c\/strong\u003e0.12 oz. (3.3 g)\u003cbr\u003e\u003cstrong\u003eThrust Duration:\u003c\/strong\u003e\u003cbr\u003e0.60 Seconds\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCompatible Rockets:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"related-product\"\u003e\n\u003cdiv class=\"related-product-image\"\u003e\u003cimg src=\"https:\/\/b2b.estesrockets.com\/cdn\/shop\/products\/7303_StarHopper_BagRocket_medium.png?v=1692731719\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"related-product-name\"\u003e\u003ca href=\"https:\/\/www.echosixhobbies.com\/collections\/kits\/products\/star-hopper%E2%84%A2\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eStar Hopper™\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"related-product\"\u003e\n\u003cdiv class=\"related-product-name\"\u003e\n\u003cdiv class=\"related-product\"\u003e\n\u003ca href=\"https:\/\/b2b.estesrockets.com\/products\/space-corps-lunar-scout-rocket\"\u003e\n\u003cdiv class=\"related-product-image\"\u003e\u003cimg src=\"https:\/\/b2b.estesrockets.com\/cdn\/shop\/products\/7290047776072909PT01_medium.jpg?v=1692731555\"\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003cdiv class=\"related-product-name\"\u003e\u003ca href=\"https:\/\/www.echosixhobbies.com\/collections\/kits\/products\/space-corps%E2%84%A2-lunar-scout%E2%84%A2\"\u003eSpace Corps™ Lunar Scout™\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/b2b.estesrockets.com\/products\/mini-honest-john\"\u003e\n\u003cdiv class=\"related-product\"\u003e\n\u003cdiv class=\"related-product-image\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"related-product\"\u003e\n\u003cdiv class=\"related-product-image\"\u003e\u003cimg src=\"https:\/\/b2b.estesrockets.com\/cdn\/shop\/products\/2446047776024465PT05_medium.jpg?v=1692730398\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"related-product-name\"\u003e\u003ca href=\"https:\/\/www.echosixhobbies.com\/collections\/kits\/products\/mini-honest-john\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMini Honest John\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Echo Six Hobbies","offers":[{"title":"Default Title","offer_id":47964894691569,"sku":"EMR-010013","price":19.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/0784\/8945\/files\/010013-A3-4T-Bag.webp?v=1774726963","url":"https:\/\/retrogamingofdenver.com\/products\/estes-a3-4t-engines","provider":"Retro Gaming of Denver","version":"1.0","type":"link"}