The Estes C6ā5 engine is a single-stage, 18 mm standard engine crafted for rockets weighing less than 4 oz (113 g) including the motor. Perfect for mid-sized beginner and intermediate rockets, it offers a powerful yet controlled flight experience. Each pack includes three C6ā5 engines, four igniters, and four starter plugs, making it easy to launch multiple rockets with minimal prep.
This engine delivers a total impulse of 10 Nās, a sustained average thrust of 15.3 N (3.4 lb), and a burn duration of approximately 1.6 secondsāideal for achieving moderate altitude lift-offs. With a 5āsecond delay between burnout and ejection, it gives rockets ample time to coast to apogee for smooth recovery system deployment.
Measuring 2.8ā³ long and 18 mm in diameter, the C6ā5 fits a wide range of Estes rockets like Antarā¢, Big BerthaĀ®, AstroCamĀ®, and Alpha IIIĀ®. Weighing just 0.85 oz (24.1 g) with 0.43 oz (12.2 g) of propellant, this engine balances power and precision, delivering consistent flight trajectories every time.
Backed by Estesā legacy of quality and reliability, the C6ā5 is a go-to for educational programs, hobbyist launches, and model rocket enthusiasts seeking dependable mid-power performance. It ensures repeatable, safe, and exciting flights for a wide spectrum of flying environments.
ATTENTION: Estes Industries, LLC requires all purchasers and users of EstesĀ® 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 EstesĀ® products. Estes Industries, 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.