{"product_id":"estes-1-4a3-3t-engines-4pk-1","title":"Estes B6-4 Engines\/3pk EST10021","description":"\u003cp\u003eExplore the Estes B6-4 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 B6-4 engine is a versatile and dependable choice for launching standard-size model rockets. Designed for rockets weighing less than 4.0 ounces, it provides a solid boost with a 4-second delay for smooth parachute deployment.\u003c\/p\u003e\n\u003cp\u003eIdeal for beginner to intermediate rocketeers, the B6-4 delivers a balanced combination of altitude and recovery timing, perfect for educational launches, club events, or weekend flights.\u003c\/p\u003e\n\u003cdl\u003e\n\u003cdt\u003eIncludes:\u003c\/dt\u003e\n\u003cdd\u003e3 × B6-4 Engines\u003c\/dd\u003e\n\u003cdd\u003e4 × Starters\u003c\/dd\u003e\n\u003cdd\u003e4 × Starter Plugs\u003c\/dd\u003e\n\u003c\/dl\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":67890663325770,"sku":"EST10021","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/3066\/5546\/files\/010021-B6-4-Engines-Package.webp?v=1793683274","url":"https:\/\/megahobby.com\/products\/estes-1-4a3-3t-engines-4pk-1","provider":"Mega Hobby","version":"1.0","type":"link"}