{"product_id":"b6-4-model-rocket-engine-fp-flight-pack","title":"B6-4 Model Rocket Engine Flight Pack","description":"\u003cp\u003eReady to boost your mid-sized model rockets? The Estes B6-4 Engine Flight Pack delivers consistent performance with a 4-second delay and 0.8-second thrust duration-great for rockets up to 4.0 oz. With a total impulse of 5.00 N-sec, it offers a reliable balance of power and stability for hobbyists of all skill levels.\u003cbr\u003e\u003cbr\u003eEach pack includes 3 B6-4 engines, 4 starters, 4 plugs, and 12 sheets of recovery wadding. It's everything you need for multiple launches, all in one convenient kit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003e3 B6-4 Engines\u003c\/li\u003e\n\u003cli\u003e4 Starters\u003c\/li\u003e\n\u003cli\u003e4 Starter Plugs\u003c\/li\u003e\n\u003cli\u003e12 Sheets of Recovery Wadding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-iag81uutdh\"\u003e\n\u003cdiv class=\"ecom__element element__heading ecom-element ecom-html ecom-type-deffault\"\u003e\n\u003ch2 class=\"ecom__heading ecom-db\"\u003eOverview\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-bpdbfpj6h6 short-description\"\u003e\n\u003cdiv class=\"ecom-element ecom-product-single ecom-product-single__description\"\u003e\n\u003cdiv class=\"ecom-product-single__description-wrapper\"\u003e\n\u003cdiv class=\"ecom-product-single__description-container\" data-show-type=\"full\"\u003e\n\u003cdiv class=\"ecom-product-single__description--paragraph\"\u003e\n\u003cdiv class=\"ecom-html-des\"\u003e\n\u003cp\u003eThe Estes B6-4 Engine Flight Pack is an ideal upgrade for rocketeers ready to launch mid-size model rockets with reliable power and performance. With a total impulse of 5.00 N-sec and a thrust duration of 0.8 seconds, these engines are built to deliver strong takeoffs and smooth mid-flight transitions for a wide range of rocket kits. Each engine is equipped with a 4-second delay, allowing for optimal coast time before deployment.\u003c\/p\u003e\n\u003cp\u003eCapable of lifting rockets up to 4.0 ounces (113 grams), the B6-4 engine is perfect for mid-weight models that require a balance of power and stability. Whether you're experimenting with new designs or flying a trusted favorite, this engine offers consistent launches and dependable ejection timing. The max thrust of 12.10 newtons (2.7 lbs) gives your rocket the punch it needs to get airborne fast.\u003c\/p\u003e\n\u003cp\u003eEach flight pack comes with everything you need for multiple launches: 3 B6-4 engines, 4 starters, 4 starter plugs, and 12 sheets of recovery wadding. With all components conveniently included, you can spend more time building and flying, and less time gathering materials. The recovery wadding helps protect your parachute or streamer from the engine’s ejection charge, ensuring your rocket is ready for its next flight.\u003c\/p\u003e\n\u003cp\u003eIf you're looking to elevate your next launch with a tried-and-true engine that delivers solid performance, the B6-4 is a go-to favorite among hobbyists. With its balanced power and ideal delay, it’s a versatile choice for a wide range of rocket designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eATTENTION:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eEstes Industries, LLC and Echo Six LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC and Echo six LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"ecom-block ecom-core core__block elmspace ecom-jarn3n4g13 hide-on-mobile\"\u003e\n\u003cdiv class=\"ecom__element element__heading ecom-element ecom-html ecom-type-deffault\"\u003e\n\u003ch2 class=\"ecom__heading ecom-db\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp class=\"ecom__heading ecom-db\"\u003eTotal Impulse: 5.00 N-sec\u003cbr\u003eTime Delay: 4 Seconds\u003cbr\u003eMax Lift Weight: 4.0 oz (113 g)\u003cbr\u003eMax Thrust: 12.10 Newtons (2.7 lbs)\u003cbr\u003eThrust Duration: 0.80 Seconds\u003cbr\u003eLength: 2.8 in. (7 cm)\u003cbr\u003eDiameter: 18 mm\u003cbr\u003eWeight: .63 oz. (17.9 g)\u003cbr\u003ePropellant Weight: 0.23 oz (6.5 g)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":52446346838316,"sku":"EST10055","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/7863\/0444\/files\/est10055.jpg?v=1766460259","url":"https:\/\/www.echosixhobbies.com\/products\/b6-4-model-rocket-engine-fp-flight-pack","provider":"Echo Six Hobbies","version":"1.0","type":"link"}