{"product_id":"b4-4-model-rocket-motors-6-pack","title":"B4-4 Model Rocket Motors – Six Pack","description":"\u003cp data-end=\"1685\" data-start=\"1311\"\u003eB4-4 model rocket motors offer moderate thrust with a longer delay, making them suitable for slightly heavier rockets and improved altitude control. These \u003cstrong data-end=\"1515\" data-start=\"1492\"\u003emodel rocket motors\u003c\/strong\u003e provide a balanced flight profile with a smooth boost phase followed by a timed delay that allows the rocket to reach peak altitude before deploying the recovery system.\u003c\/p\u003e\n\u003cp data-end=\"1979\" data-start=\"1687\"\u003eThis six-pack of \u003cstrong data-end=\"1725\" data-start=\"1704\"\u003erocket engines UK\u003c\/strong\u003e customers trust is ideal for schools, clubs and hobby rocketeers progressing beyond beginner motors. B4-4 engines are commonly recommended for mid-size rocket kits and educational projects where consistent performance and reliable recovery are required.\u003c\/p\u003e\n\u003cp\u003e As a standard 18mm single-stage engine, this is designed for larger, heavier rockets.\u003c\/p\u003e\n\u003cp\u003eThe Klima B4-4 six pack contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 B4-4 Engines\u003c\/li\u003e\n\u003cli\u003e6 Electronic igniters\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rocketry For Schools","offers":[{"title":"Default Title","offer_id":49956307566929,"sku":"","price":34.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/8656\/1617\/files\/b4-4-model-rocket-motors-six-pack.jpg?v=1767970857","url":"https:\/\/rocketryforschools.co.uk\/products\/b4-4-model-rocket-motors-6-pack","provider":"Rocketry For Schools","version":"1.0","type":"link"}