010025 Estes C11-3 Engines - 24mm coupler Skill Level Advanced Length 21

Skill Level Advanced Length 21

or simply enjoy the thrill of launching a high-altitude rocket

Streamer Recovery System

You will get tracking information separately if that is the case

Skill Level 4

010025 Estes C11-3 Engines - 24mm coupler Skill Level Advanced Length 21010025 Estes C11 3 Engines 24mm The Estes C11 3 Engines deliver powerful, reliable thrust for mid sized model rockets. With a total impulse of 10. 00 Ns and a 3 second delay, theyre perfect for heavier rockets that need a strong boost without reaching extreme altitudes. Ideal for intermediate and advanced rocketeers, the C11 3 bridges the gap between B and D engines, offering controlled, consistent flights and smooth recoveries. Each pack includes 2