The E16-8 Engine (29 mm) by Estes Rockets is a high-powered model rocket engine designed for single-stage and upper-stage flights. Delivering a total impulse of 33.68 N-sec and an 8-second delay for optimal parachute deployment, this engine is perfect for rockets needing a longer coast phase to achieve maximum altitude. Capable of lifting rockets up to 14 ounces (396 grams), the E16-8 provides powerful thrust and reliable performance for advanced rocketry enthusiasts. Each pack includes two engines, two starters, and four starter plugs, making it easy to gear up for multiple launches.