Estes C6-3 Engines – Standard Model Rocket Engine 3-Pack

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Estes C6-3 Engines – High Power with Short Delay The Estes C6-3 engine delivers strong thrust for medium-sized model rockets, making it a reliable choice when you need more power a nd quicker recovery deployment. The 3-second delay is ideal for flights where a faster parachute deployment is preferred. Key Features Standard 18 mm engine size compatible with many Estes rockets High-thrust performance for medium-size rockets 3-second delay for quicker recovery deployment Designed for rockets up to 4.0 oz Consistent and reliable flight performance What’s Included 3 × C6-3 rocket engines 4 × starters 4 × starter plugs Specifications Engine Type: C6-3 Size: 18 mm Delay Time: 3 seconds Recommended Rocket Weight: Up to 4.0 oz Total Impulse: ~10.0 N-sec Use Case: Single-stage model rockets Applications Model rocket launches STEM and educational projects Medium-size rocket flights Hobby and recreational use Compatible Rockets Xarconian Cruiser™ NASA SLS Blue Origin New Shepard Space Shuttle Important Notes Physical address required for delivery Use only with compatible rockets and launch systems Follow all applicable safety guidelines Show more