{"product_id":"estes-b6-4-engines-standard-model-rocket-engine-3-pack","title":"Estes B6-4 Engines – Standard Model Rocket Engine 3-Pack","description":"\u003ch3\u003eEstes B6-4 Engines – Balanced Power for Mid-Size Rockets\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEstes B6-4 engine\u003c\/strong\u003e is a versatile option for standard model rockets, offering a balance of thrust and delay for smooth, controlled flights. Designed for rockets up to \u003cstrong\u003e4.0 oz\u003c\/strong\u003e, it provides reliable performance with a \u003cstrong\u003e4-second delay\u003c\/strong\u003e for proper recovery system deployment.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStandard \u003cstrong\u003e18 mm engine size\u003c\/strong\u003e compatible with many Estes rockets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-second delay\u003c\/strong\u003e for controlled parachute deployment\u003c\/li\u003e\n\u003cli\u003eDesigned for rockets up to \u003cstrong\u003e4.0 oz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBalanced thrust for mid-altitude flights\u003c\/li\u003e\n\u003cli\u003eConsistent and reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/6901\/3784\/files\/B6-rocket-engine-thrust-curve-chart.jpg?v=1776380532\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat’s Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e3 × B6-4 rocket engines\u003c\/li\u003e\n\u003cli\u003e4 × starters\u003c\/li\u003e\n\u003cli\u003e4 × starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0752\/6901\/3784\/files\/010021-B6-4-Engines-Plugs-Ignitors.jpg?v=1776380532\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e B6-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 18 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelay Time:\u003c\/strong\u003e 4 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Rocket Weight:\u003c\/strong\u003e Up to 4.0 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Impulse:\u003c\/strong\u003e ~5.0 N-sec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Thrust:\u003c\/strong\u003e ~12.1 N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrust Duration:\u003c\/strong\u003e ~0.8 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModel rocket launches\u003c\/li\u003e\n\u003cli\u003eSTEM and educational projects\u003c\/li\u003e\n\u003cli\u003eMid-size rocket flights\u003c\/li\u003e\n\u003cli\u003eHobby and recreational use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatible Rockets\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRascal™ \u0026amp; HiJinks™ Launch Set\u003c\/li\u003e\n\u003cli\u003eHi-Flier®\u003c\/li\u003e\n\u003cli\u003eTandem-X™ Launch Set\u003c\/li\u003e\n\u003cli\u003eAlpha III®\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eImportant Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePhysical address required for delivery\u003c\/li\u003e\n\u003cli\u003eUse only with compatible rockets and launch systems\u003c\/li\u003e\n\u003cli\u003eFollow all applicable safety guidelines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":51962428293400,"sku":"10021","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/6901\/3784\/files\/010021-B6-4-Rocket-Engines.png?v=1776380505","url":"https:\/\/alpha3dlab.com\/products\/estes-b6-4-engines-standard-model-rocket-engine-3-pack","provider":"Alpha 3D Lab","version":"1.0","type":"link"}