{"product_id":"e12-4-model-rocket-engines-3pk","title":"E12-4 Model Rocket Engines, (2pk)","description":"\u003cp\u003eThe Estes E12-4 engine delivers impressive power and reliability for your next launch, making it a top choice for rocketeers ready to step up from smaller engines. With a 24mm diameter and 30.00 N-sec of total impulse, this versatile engine provides consistent, exciting flights that never fail to thrill. Whether you're building new rockets or upgrading existing favorites, the E12-4 offers dependable thrust and excellent performance across a variety of models.\u003cbr\u003e\u003cbr\u003eEngineered with precision and designed for excitement, the E12-4 is perfect for upper stage flights but can also be used as a single stage engine. With a strong maximum thrust of 30.60 Newtons and a thrust duration of 2.70 seconds, it strikes the perfect balance between raw lift-off power and sustained acceleration. The 4-second delay adds an ideal pause before ejection, creating smooth, realistic flight sequences that mimic the real thing.\u003cbr\u003e\u003cbr\u003eCapable of lifting rockets up to 17 ounces, the E12-4 is an excellent choice for mid-size rockets that need just the right amount of strength to reach soaring altitudes. It's a versatile addition to your engine collection, giving you flexibility to experiment with different models and flight profiles while ensuring reliable ignition and performance every time you launch.\u003cbr\u003e\u003cbr\u003eEach E12-4 engine pack comes with everything you need to get flying quickly, including starters and starter plugs for easy setup. Whether you're preparing for a weekend launch or stocking up for multiple flights, the Estes E12-4 ensures that every mission begins with the perfect balance of power, timing, and excitement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATTENTION:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThese engines cannot be sent to post office boxes. Please be sure to provide a PHYSICAL ADDRESS when purchasing E and F sized engines.\u003cbr\u003e\u003cb\u003eNote: HAZMAT Shipping Restrictions Apply\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eE and F sized engines cannot be shipped to Alaska, Hawaii, Puerto Rico or Guam.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e2 E12-4 Engines\u003c\/li\u003e\n\u003cli\u003e2 Starters\u003c\/li\u003e\n\u003cli\u003e4 Starter Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-iag81uutdh\"\u003e\n\u003cdiv class=\"ecom__element element__heading ecom-element ecom-html ecom-type-deffault\"\u003e\n\u003ch2 class=\"ecom__heading ecom-db\"\u003eOverview\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-bpdbfpj6h6 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 E12-4 engine delivers impressive power and reliability for your next launch, making it a top choice for rocketeers ready to step up from smaller engines. With a 24mm diameter and 30.00 N-sec of total impulse, this versatile engine provides consistent, exciting flights that never fail to thrill. Whether you’re building new rockets or upgrading existing favorites, the E12-4 offers dependable thrust and excellent performance across a variety of models.\u003c\/p\u003e\n\u003cp\u003eEngineered with precision and designed for excitement, the E12-4 is perfect for upper stage flights but can also be used as a single stage engine. With a strong maximum thrust of 30.60 Newtons and a thrust duration of 2.70 seconds, it strikes the perfect balance between raw lift-off power and sustained acceleration. The 4-second delay adds an ideal pause before ejection, creating smooth, realistic flight sequences that mimic the real thing.\u003c\/p\u003e\n\u003cp\u003eCapable of lifting rockets up to 17 ounces, the E12-4 is an excellent choice for mid-size rockets that need just the right amount of strength to reach soaring altitudes. It’s a versatile addition to your engine collection, giving you flexibility to experiment with different models and flight profiles while ensuring reliable ignition and performance every time you launch.\u003c\/p\u003e\n\u003cp\u003eEach E12-4 engine pack comes with everything you need to get flying quickly, including starters and starter plugs for easy setup. Whether you’re preparing for a weekend launch or stocking up for multiple flights, the Estes E12-4 ensures that every mission begins with the perfect balance of power, timing, and excitement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATTENTION:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eEstes Industries, LLC and 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.\u003cbr\u003e\u003cbr\u003e\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\/details\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":52446345888044,"sku":"EST10029","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/7863\/0444\/files\/est10029.jpg?v=1766358013","url":"https:\/\/www.echosixhobbies.com\/products\/e12-4-model-rocket-engines-3pk","provider":"Echo Six Hobbies","version":"1.0","type":"link"}