{"product_id":"estes-18-mm-b6-4-standard-rocket-engine","title":"Estes  18 mm B6-4 Standard Rocket Engine","description":"\u003cp\u003eThis is a pack of three Estes B6-4 Model Rocket Engines. The Estes B6-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than four ounces, including the engine. Each includes three engines, three igniters and four igniter plugs. \u003c\/p\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEngine Type:\u003c\/b\u003e B6-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTotal Impulse (N-sec):\u003c\/b\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTime Delay (Sec):\u003c\/b\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Lift Wt. (Oz\/g):\u003c\/b\u003e 4.0\/113\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Thrust (Newtons\/Lbs):\u003c\/b\u003e 12.1\/2.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThrust Duration (Sec):\u003c\/b\u003e 0.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInitial Weight (Oz\/g):\u003c\/b\u003e 0.71\/20.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePropellant Weight (Oz\/g):\u003c\/b\u003e 0.22\/6.24\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"2297","offers":[{"title":"One Size","offer_id":42620493135932,"sku":"e7443341-c5c3-40bc-9191-56ebb67921b6","price":120.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/4536\/6588\/files\/7f7ca8e7661d498c891c9880cb8b94fe.jpg?v=1741387667","url":"https:\/\/semonus.com\/products\/estes-18-mm-b6-4-standard-rocket-engine","provider":"ShopSimon","version":"1.0","type":"link"}