{"product_id":"010029-estes-e12-4-engines-24mm","title":"010029 Estes E12-4 Engines - 24mm","description":"\u003cp\u003e\u003cstrong\u003e010029 Estes E12-4 Engines \u003cbr\u003e24mm\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Estes E12-4 is a powerful 24mm engine designed for reliable model rocket flights. With 30.00 N-sec of total impulse and a 4-second delay, it provides a strong, balanced boost for mid-size rockets while ensuring smooth, realistic flight sequences.\u003c\/p\u003e\n\u003cp\u003ePerfect for rockets up to 17 ounces, the E12-4 delivers both power and precision for single stage and upper stage flights. A dependable choice for hobbyists who want excitement, altitude, and consistent performance in every launch.\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e- 2 E12-4 Engines\u003c\/dd\u003e\n\u003cdd\u003e- 2 Starters\u003c\/dd\u003e\n\u003cdd\u003e- 4 Starter Plugs\u003c\/dd\u003e\n\u003c\/dl\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.\u003c\/p\u003e\n\u003cp\u003eE and F sized engines cannot be shipped to Alaska, Hawaii, Puerto Rico or Guam.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Impulse\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e30.00 N-sec\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eTime Delay\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e4 Seconds\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eMax Lift Weight\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e17.0 oz (482 g)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eMax Thrust\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e30.60 Newtons (6.9 lbs)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eThrust Duration\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e2.70 Seconds\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e3.8 in. (9.7 cm)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e24 mm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e2.16 oz. (61.2 g)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003ePropellant Weight\u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e1.3 oz (36.9 g)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu x1c1uobl x1eb86dx x78zum5 x1c4vz4f x2lah0s xjqpyvm x120eax6\"\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x78zum5 x15zctf7 xamitd3\"\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu x18d9i69 x1c1uobl x78zum5 xdt5ytf x1iyjqo2 x2lah0s xl56j7k x1n2onr6 x1mqs8db x1n327nk x1gabggj\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x6s0dn4 xl5lk40 x78zum5 x1mqs8db x15zctf7\" role=\"presentation\"\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl x6s0dn4 xl5lk40 x78zum5 x1mqs8db x15zctf7\" role=\"presentation\"\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl\" aria-hidden=\"false\"\u003e\n\u003cstrong\u003ePlease Note: \u003c\/strong\u003ePhotos may not be of the same packaging, but nothing will be sold older than what is received from our distributor. \u003c\/div\u003e\n\u003cdiv class=\"html-div xdj266r x14z9mp xat24cr x1lziwak xexx8yu xyri2b x18d9i69 x1c1uobl\" aria-hidden=\"false\"\u003e\u003cbr\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\u003cp class=\"p2\"\u003e\u003cmeta charset=\"utf-8\"\u003eModelRocketGuy.com will only ship this item by US Postal Service. \u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":45221343100962,"sku":"010029","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/2263\/1202\/files\/010029-E12-4-Bag.png?v=1775979606","url":"https:\/\/modelrocketguy.com\/products\/010029-estes-e12-4-engines-24mm","provider":"@ModelRocketGuy","version":"1.0","type":"link"}