{"product_id":"estes-b4-4-engines-3pk","title":"Estes B4-4 Engines\/3pk","description":"\u003cp\u003eExplore the Estes B4-4 Engines\/3pk at MegaHobby. This model rocket engine pack is selected by its complete engine designation, not simply by the letter class.\u003c\/p\u003e\u003ch2\u003eProduct features and specifications\u003c\/h2\u003e\u003cp\u003eThe Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine.\u003c\/p\u003e \u003cp\u003eEach 3-pack package includes:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e3 engines\u003c\/li\u003e \u003cli\u003e4 starters\u003c\/li\u003e \u003cli\u003e4 plugs\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e1602 B4-4 Rocket Engine 3-Pack is compatible with majority of Estes rocket kits including: \u003c\/p\u003e \u003cul\u003e \u003cli\u003e1225 Alpha\u003c\/li\u003e \u003cli\u003e1292 Wizard\u003c\/li\u003e \u003cli\u003e1261 Baby Bertha\u003c\/li\u003e \u003cli\u003e1946 Boosted Bertha\u003c\/li\u003e \u003cli\u003e1948 Big Bertha\u003c\/li\u003e \u003cli\u003e1949 Viking\u003c\/li\u003e \u003cli\u003e2008 Generic 2X\u003c\/li\u003e \u003cli\u003e2021 Cadet\u003c\/li\u003e \u003cli\u003e2056 US Army Patriot\u003c\/li\u003e \u003cli\u003e2092 Mongoose\u003c\/li\u003e \u003cli\u003e2169 Dragonite\u003c\/li\u003e \u003cli\u003e2178 Hi-Flier\u003c\/li\u003e \u003cli\u003e2452 Athena\u003c\/li\u003e \u003cli\u003e2483 Phantom Blue\u003c\/li\u003e \u003cli\u003e7000 Bull Pup 12D\u003c\/li\u003e \u003cli\u003e7220 Crossfire ISX\u003c\/li\u003e \u003cli\u003e7245 Comanche-3\u003c\/li\u003e \u003cli\u003e7259 Nike-X\u003c\/li\u003e \u003cli\u003e7281 Corvetter\u003c\/li\u003e \u003cli\u003e7284 Starship\u003c\/li\u003e \u003cli\u003e7291 Space Corps Centurion\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003cbr\u003e\u003c\/p\u003e \u003ch2\u003eSelect the exact recommended engine\u003c\/h2\u003e\u003cp\u003eMatch the full engine code, physical size and application to the rocket manufacturer’s instructions. Different delays and booster designations are not interchangeable choices. Check the listed pack contents before ordering and confirm which launch supplies are already included.\u003c\/p\u003e\u003ch2\u003eExplore Estes at MegaHobby\u003c\/h2\u003e\u003cp\u003eBrowse \u003ca href=\"\/collections\/estes\"\u003eEstes rockets and supplies\u003c\/a\u003e and \u003ca href=\"\/collections\/estes-rocket-engines\"\u003eEstes Model Rocket Engines\u003c\/a\u003e. Explore the wider \u003ca href=\"\/collections\/model-rocketry\"\u003eModel Rocketry collection\u003c\/a\u003e, then find \u003ca href=\"\/collections\/tools-supplies\"\u003ebuilding tools\u003c\/a\u003e and finishing materials in the \u003ca href=\"\/collections\/paint-store\"\u003ePaint Store\u003c\/a\u003e.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":67890666831946,"sku":"EST1602","price":9.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/3066\/5546\/files\/1602_B4-4.png?v=1793683421","url":"https:\/\/megahobby.com\/products\/estes-b4-4-engines-3pk","provider":"Mega Hobby","version":"1.0","type":"link"}