{"title":"Estes C-Class Model Rocket Engines","description":"\u003cp\u003eShop verified Estes C-class model rocket engines by exact C6 or C11 designation, delay code, diameter, package type, and manufacturer part number. The page also includes verified mixed-class engine packs when they contain C motors.\u003c\/p\u003e\u003ch2\u003eDo not choose by impulse letter alone\u003c\/h2\u003e\u003cp\u003eC-class motors can differ in average thrust, delay, physical diameter, and intended use. The correct choice comes from the exact rocket's manufacturer-approved motor list—not from the letter C by itself. Booster motors, short-delay motors, and longer-delay motors perform different jobs in the flight sequence.\u003c\/p\u003e\u003ch2\u003eCheck C6 versus C11 requirements\u003c\/h2\u003e\u003cp\u003eReview the motor diameter and full designation shown on each product page. C6 and C11 products should not be substituted without explicit approval for the rocket and configuration. Match the exact package and part number before ordering.\u003c\/p\u003e\u003cp\u003eSee all \u003ca href=\"\/collections\/estes-model-rocket-engines\"\u003eEstes model rocket engines\u003c\/a\u003e, browse \u003ca href=\"\/collections\/model-rocket-kits\"\u003eindividual rocket kits\u003c\/a\u003e, or compare \u003ca href=\"\/collections\/model-rocket-launch-sets\"\u003ecomplete launch sets\u003c\/a\u003e. Shipping restrictions may apply to motor orders.\u003c\/p\u003e","products":[{"product_id":"estes-c6-5-engines-10024","title":"Estes C6-5 Engines #10024","description":"\u003cp\u003e\u003cstrong\u003eEstes C6-5 Engines #10024\u003c\/strong\u003e is a three-pack of standard 18 mm single-stage model-rocket engines with a five-second delay.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 Estes C6-5 engines\u003c\/li\u003e\n\u003cli\u003e4 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eUse this motor only when the complete \u003cstrong\u003eC6-5\u003c\/strong\u003e designation appears in the current instructions for the exact rocket. The rocket, launch system, controller batteries and recovery wadding are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046642573624,"sku":"EST10024","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010024-C6-5-Engines-Plugs-Ignitors.jpg?v=1790553171"},{"product_id":"estes-c11-3-engines-10025","title":"Estes C11-3 Engines #10025","description":"\u003cp\u003e\u003cstrong\u003eEstes C11-3 Engines #10025\u003c\/strong\u003e is a two-pack of 24 mm model-rocket engines with a three-second delay.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 Estes C11-3 engines\u003c\/li\u003e\n\u003cli\u003e2 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eUse this motor only when the complete \u003cstrong\u003eC11-3\u003c\/strong\u003e designation appears in the current instructions for the exact rocket. The rocket, launch system, controller batteries and recovery wadding are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046642639160,"sku":"EST10025","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010025-C11-3-Rocket-Engines-Bag.jpg?v=1790553172"},{"product_id":"estes-c11-5-engines-10026","title":"Estes C11-5 Engines #10026","description":"\u003cp\u003e\u003cstrong\u003eEstes C11-5 Engines #10026\u003c\/strong\u003e is a two-pack of 24 mm model-rocket engines with a five-second delay.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 Estes C11-5 engines\u003c\/li\u003e\n\u003cli\u003e2 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eUse this motor only when the complete \u003cstrong\u003eC11-5\u003c\/strong\u003e designation appears in the current instructions for the exact rocket. The rocket, launch system, controller batteries and recovery wadding are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046642671928,"sku":"EST10026","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010026-C11-5-Engines-Plugs-Ignitors.jpg?v=1790553173"},{"product_id":"estes-c11-7-engines-10039","title":"Estes C11-7 Engines #10039","description":"\u003cp\u003e\u003cstrong\u003eEstes C11-7 Engines #10039\u003c\/strong\u003e is a two-pack of 24 mm model-rocket engines with a seven-second delay.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 Estes C11-7 engines\u003c\/li\u003e\n\u003cli\u003e2 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eUse this motor only when the complete \u003cstrong\u003eC11-7\u003c\/strong\u003e designation appears in the current instructions for the exact rocket. The rocket, launch system, controller batteries and recovery wadding are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046643032376,"sku":"EST10039","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010039-C11-7-Engines-Plugs-Ignitors.jpg?v=1790553187"},{"product_id":"estes-c6-0-engines-10047","title":"Estes C6-0 Engines #10047","description":"\u003cp\u003e\u003cstrong\u003eEstes C6-0 Engines #10047\u003c\/strong\u003e is a three-pack of standard 18 mm booster motors for exact-compatible staged model rockets.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 Estes C6-0 booster engines\u003c\/li\u003e\n\u003cli\u003e4 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBooster-only compatibility\u003c\/h2\u003e\u003cp\u003eThe C6-0 has no timed delay and is intended for the booster stage of a compatible staged rocket. Use it only when the exact current instructions list \u003cstrong\u003eC6-0\u003c\/strong\u003e and identify the approved upper-stage motor. The rocket, launch system, controller batteries and recovery supplies are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046643425592,"sku":"EST10047","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010047-C6-0-Engines-Plugs-Ignitors.jpg?v=1790553198"},{"product_id":"estes-c11-0-engines-10048","title":"Estes C11-0 Engines #10048","description":"\u003cp\u003e\u003cstrong\u003eTwo-pack of Estes C11-0 24 mm booster engines for exact-compatible staged model rockets.\u003c\/strong\u003e This is the current Estes #10048 retail pack.\u003c\/p\u003e\u003ch2\u003eWhat is included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2 Estes C11-0 booster engines\u003c\/li\u003e\n\u003cli\u003e2 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRecovery wadding, the rocket, launch pad, controller and controller batteries are not included.\u003c\/p\u003e\u003ch2\u003eBooster-only compatibility\u003c\/h2\u003e\u003cp\u003eThe C11-0 has no timed delay and no recovery-system ejection charge. Estes identifies it as a 24 mm booster motor for compatible staged rockets up to the stated motor limits. Use it only when the exact current rocket instructions list \u003cstrong\u003eC11-0\u003c\/strong\u003e. Do not use it as a standard single-stage motor.\u003c\/p\u003e\u003ch2\u003eStill required\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA compatible staged rocket whose instructions approve C11-0\u003c\/li\u003e\n\u003cli\u003eAn approved upper-stage motor selected from the exact instructions\u003c\/li\u003e\n\u003cli\u003eThe correct launch pad, rod and electrical controller\u003c\/li\u003e\n\u003cli\u003eController batteries, recovery supplies and a suitable launch field\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMotor shipping\u003c\/h2\u003e\u003cp\u003eA physical delivery address is required. Model rocket motors can have carrier, service and destination restrictions; available delivery options are confirmed for the shipping address at checkout.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53046643458360,"sku":"EST10048","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010048-C11-0-Engines-Plugs-Ignitors.jpg?v=1790553200"},{"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 a 24-engine mixed flight-supply pack for classrooms, clubs, camps and repeat launch days.\u003c\/p\u003e\u003ch2\u003eVerified package contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e6 A8-3 engines\u003c\/li\u003e\n\u003cli\u003e6 B6-4 engines\u003c\/li\u003e\n\u003cli\u003e6 C6-3 engines\u003c\/li\u003e\n\u003cli\u003e6 C6-5 engines\u003c\/li\u003e\n\u003cli\u003e30 starters\u003c\/li\u003e\n\u003cli\u003e75 sheets of recovery wadding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComplete the launch system\u003c\/h2\u003e\u003cp\u003eThe pack does not include rockets, a launch pad, a launch controller or controller batteries. Match each complete motor designation to the current instructions for the exact rocket. A physical delivery address is required, and carrier, service or destination restrictions may apply to model-rocket motors.\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 provides motors and launch consumables for 12 exact-compatible flights.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e12 Estes C11-3 engines\u003c\/li\u003e\n\u003cli\u003e20 starters\u003c\/li\u003e\n\u003cli\u003e16 starter plugs\u003c\/li\u003e\n\u003cli\u003e144 squares of recovery wadding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThe C11-3 is a 24 mm motor with a three-second delay. Use it only when the complete designation appears in the current instructions for the exact rocket. Rockets, launch equipment and controller batteries are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required. Carrier, service and destination restrictions can apply.\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-c6-3-engines-est10023","title":"Estes C6-3 Engines #10023","description":"\u003cp\u003e\u003cstrong\u003eEstes C6-3 Engines #10023\u003c\/strong\u003e is a three-pack of standard 18 mm single-stage model-rocket engines with a three-second delay.\u003c\/p\u003e\u003ch2\u003ePackage contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 Estes C6-3 engines\u003c\/li\u003e\n\u003cli\u003e4 starters\u003c\/li\u003e\n\u003cli\u003e4 starter plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eUse this motor only when the complete \u003cstrong\u003eC6-3\u003c\/strong\u003e designation appears in the current instructions for the exact rocket. The rocket, launch system, controller batteries and recovery wadding are not included.\u003c\/p\u003e\u003cp\u003eA physical delivery address is required.\u003c\/p\u003e","brand":"Estes","offers":[{"title":"Default Title","offer_id":53052942483768,"sku":"EST10023","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/010023-C6-3-Bag_accee0c9-f070-40b6-a758-8e639254992b.webp?v=1790762909"}],"url":"https:\/\/munclemikes.com\/collections\/estes-c-class-rocket-engines.oembed","provider":"Muncle Mikes","version":"1.0","type":"link"}