Estes A8-3 Engines – Standard Model Rocket Engine 3-Pack

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Estes A8-3 Engines – Reliable Power for Standard Rockets The Estes A8-3 engine is a trusted option for launching standard model rockets. Designed for lightweight rockets, it delive rs consistent thrust with a 3-second delay to ensure proper recovery system deployment. Key Features Standard 18 mm engine size compatible with many Estes rockets 3-second delay for controlled parachute deployment Designed for rockets under 3.0 oz Consistent and reliable flight performance Suitable for hobby and STEM applications What’s Included 3 × A8-3 rocket engines 4 × starters 4 × starter plugs Specifications Engine Type: A8-3 Size: 18 mm Delay Time: 3 seconds Recommended Rocket Weight: Under 3.0 oz Estimated Max Altitude: Up to 500 ft Applications Model rocket launches STEM and educational projects Beginner and hobby use Compatible Rockets Rascal™ & HiJinks™ Launch Set Alpha® Alpha III® Important Notes Physical address required for delivery Use only with compatible rockets and launch systems Follow all applicable safety guidelines Show more