B6-6 Engines

The Estes B6-6 engine is designed to support advanced model rocketry lessons and experiments, particularly those involving multi-stage launches or high-altitude flights in lightweight rockets. With a 6-second delay and dependable thrust, this engine provides students with an excellent opportunity to explore the principles of aerodynamics, momentum, and recovery system timing in a hands-on, visual format.

Delivering 5.00 N-sec of total impulse and up to 12.10 Newtons of peak thrust, the B6-6 helps students observe real-world applications of Newton’s laws and projectile motion. Its 0.80-second thrust duration followed by a long coasting phase makes it especially useful for studying altitude optimization and flight timing. Educators can integrate this engine into lessons focused on data collection, modeling, or design iterations with ease.

The standard 18 mm diameter and lightweight profile—just 0.64 oz (18.1 g)—allow compatibility with many Estes rocket kits used in the classroom. Its manageable size and flight profile make it suitable for structured, supervised launches while giving students a challenge that builds on foundational rocketry skills. Propellant weight of 0.23 oz (6.5 g) is ideal for maintaining safe yet exciting flight characteristics.

With Estes’ proven quality and performance, the B6-6 is a dependable engine for educators building inquiry-driven programs. Whether it’s supporting physics curriculum, STEM camps, or competitive rocket teams, this engine delivers the power and predictability needed for meaningful learning outcomes.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® 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 Estes® 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.