{"title":"Rocket Engine Bulk Packs","description":"\u003cp\u003eShop Estes model rocket engine bulk packs at Muncle Mikes. Choose by the complete manufacturer designation and the requirements of the exact rocket, not by a similar-looking engine or a partial name.\u003c\/p\u003e\u003ch2\u003eMatch the complete designation\u003c\/h2\u003e\u003cp\u003eCompare every letter, number and suffix with the engines approved in the rocket manufacturer's instructions. Check whether the selected pack contains one designation or an explicitly listed combination.\u003c\/p\u003e\u003ch2\u003eCount engines separately from kits and equipment\u003c\/h2\u003e\u003cp\u003eRead the quantity and itemized contents before ordering. A bulk engine pack should not be assumed to include rocket kits or a launcher. Follow the supplied handling, storage and use instructions.\u003c\/p\u003e\u003cp\u003eReview \u003ca href=\"\/es\/collections\/model-rocket-kits\"\u003erocket-kit requirements\u003c\/a\u003e, compare \u003ca href=\"\/es\/collections\/rocket-kit-bulk-packs\"\u003ekit bulk packs\u003c\/a\u003e, or return to \u003ca href=\"\/es\/collections\/model-rockets\"\u003eall model-rocketry products\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"estes-blast-off-engine-bulk-pack-1672","title":"Estes Blast-Off® Engine Bulk Pack #1672","description":"\u003cp\u003e\u003cstrong\u003eEstes Blast-Off® Engine Bulk Pack #1672\u003c\/strong\u003e is an Estes model rocket engine for model rocketry, STEM activities, and launch-day use.\u003c\/p\u003e\u003cp\u003eThe Estes Blast-Off® Bulk Pack is the ultimate value for rocketeers who want more launches, more excitement, and more opportunities to push their rockets sky-high. This carefully curated assortment brings together our top-selling engines, giving you the perfect balance of power and performance for a wide variety of model rockets. With a mix of A, B, and C class engines, this pack ensures you’ll have the right power for any flight day. The A8-3 engines are ideal for smaller, lighter rockets and lower altitude flights, while the B6-4 provides a step up in performance with reliable thrust and altitude. For those ready to go even higher, the C6-3 and C6-5 deliver impressive flights that soar hundreds of feet, thrilling rocket fans of all ages. Having this variety on hand means you’re ready for any rocket in your fleet, from beginner builds to more advanced flyers. Beyond the engines themselv\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 1672\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST1672\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046644408632,"sku":"EST1672","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/1672-Blast-Off-Engine-Bulk-Pack-1.jpg?v=1790553232"},{"product_id":"estes-c11-3-engine-bulk-pack-1726","title":"Estes C11-3 Engine Bulk Pack #1726","description":"\u003cp\u003e\u003cstrong\u003eEstes C11-3 Engine Bulk Pack #1726\u003c\/strong\u003e is an Estes model rocket engine for model rocketry, launch-day use, and hobby programs.\u003c\/p\u003e\u003cp\u003eThe C11-3 Engine Bulk Pack gives you twelve ready-to-fly C-class motors engineered for consistent lifts and eye-catching altitudes. Each motor produces a strong but controllable burst of thrust and a 3-second delay that works well with medium-weight rockets — ideal for weekend hobbyists, family launch days, and solo flyers who want exciting flights without stepping up to larger, more complex powerplants. Beyond raw numbers, the C11-3 shines because of its reliability and repeatability. Whether you’re testing trim changes, teaching a new builder the basics, or simply chasing higher flights, these engines reduce the variability that can spoil a flight day. The familiar, crisp ignition and predictable delay let you tune recovery systems with confidence so recovery is clean and repairs are minimal. Technically tuned for mid-to-high altitude performance, the C11-3 offers a total impulse of 10\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 1726\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST1726\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046644539704,"sku":"EST1726","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/1726-C11-3-Engine-Bulk-Pack-1.jpg?v=1790553238"},{"product_id":"estes-b6-4-engine-bulk-pack-1783","title":"Estes B6-4 Engine Bulk Pack #1783","description":"\u003cp\u003e\u003cstrong\u003eEstes B6-4 Engine Bulk Pack #1783\u003c\/strong\u003e is an Estes model rocket engine for model rocketry, launch-day use, and hobby programs.\u003c\/p\u003e\u003cp\u003eThe Estes B6-4 Engine Bulk Pack is a trusted choice for rocketeers who want dependable power and altitude in their launches. Known as a medium impulse engine, the B6-4 strikes the perfect balance of thrust and delay, making it a versatile option for rockets of many sizes. If you’re looking for engines that can handle larger or heavier rockets while still delivering impressive flights, this bulk pack is a great fit. Beyond their power, B6-4 engines are known for their consistency. They provide smooth launches, reliable deployments, and repeatable performance that keeps each launch day running smoothly. This makes them ideal not just for casual rocketeers, but also for groups or educators who need engines that perform consistently across multiple launches. With enough supplies to launch 24 rockets, Estes bulk packs are convenient and cost-effective. The included starters, plugs, and recove\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 1783\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST1783\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046644670776,"sku":"EST1783","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/1783-B6-4-Engine-Bulk-Pack.jpg?v=1790553243"},{"product_id":"estes-b6-0-b6-6-engine-bulk-pack-1784","title":"Estes B6-0\/B6-6 Engine Bulk Pack #1784","description":"\u003cp\u003e\u003cstrong\u003eEstes B6-0\/B6-6 Engine Bulk Pack #1784\u003c\/strong\u003e is an Estes model rocket engine for model rocketry, launch-day use, and hobby programs.\u003c\/p\u003e\u003cp\u003eThe B6-0 \/ B6-6 Engine Bulk Pack is designed specifically for two-stage model rocket launches. The B6-0 serves as the booster engine, firing without delay for a clean separation, while the B6-6 takes over with a timed delay for upper-stage deployment and recovery. Together, they deliver the dramatic flight profile that makes staging one of the most exciting aspects of model rocketry. These engines are carefully matched to provide reliable ignition, smooth staging, and consistent performance. That means predictable altitudes, safer recoveries, and confidence for both new and experienced rocketeers. For families, hobbyists, or school programs, the combination ensures a fun, repeatable flight experience every time. Convenience is built into every bulk pack. With engines, starters, plugs, and recovery wadding included, you’ll spend less time gathering supplies and more time preparing rockets\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 1784\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST1784\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046644703544,"sku":"EST1784","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/1784-B6-0-B6-6-Engine-Bulk-Pack.jpg?v=1790553245"},{"product_id":"estes-1-2a3-4t-engine-bulk-pack-1788","title":"Estes 1\/2A3-4T Engine Bulk Pack #1788","description":"\u003cp\u003e\u003cstrong\u003eEstes 1\/2A3-4T Engine Bulk Pack #1788\u003c\/strong\u003e is an Estes model rocket engine for model rocketry, launch-day use, and hobby programs.\u003c\/p\u003e\u003cp\u003eThe Estes 1\/2A3-4T Engine Bulk Pack is designed for rocketeers who love launching mini rockets with maximum fun. This 1\/2A impulse engine is small but mighty, delivering exciting flights that are perfect for beginners and groups who want to see their rockets soar while still staying within a visible flight path. Despite being a mini engine, the 1\/2A3-4T packs plenty of power and offers reliable performance. It’s an excellent choice for younger rocketeers or group activities where keeping rockets in sight makes launches more engaging and manageable. Estes engines are precision manufactured for consistent results, giving you peace of mind with every countdown. Bulk packs are a smart way to prepare for group launches or multiple flights in one session. Each pack comes with all the essentials you’ll need for 24 launches, including engines, starters, plugs, and recovery wadding. With everythi\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 1788\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeartland item number:\u003c\/strong\u003e EST1788\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046644736312,"sku":"EST1788","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/1788-1-2-A3-4T-Engine-Bulk-Pack.jpg?v=1790553246"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/collections\/1672_EDU_BlastOffPack.png?v=1790992254","url":"https:\/\/munclemikes.com\/es\/collections\/rocket-engine-bulk-packs.oembed","provider":"Muncle Mikes","version":"1.0","type":"link"}