010024 Estes C6-5 Engines - 18mm

010024 Estes C6-5 Engines18mm The Estes C6‑5 is a single-stage 18 mm engine designed for rockets under 4 oz. Offering 10 N‑s impulse, 15.3 N thrust, and a 5‑second delay, it delivers stable, mid-power flights. Each pack includes three engines, four igniters, and four plugs. Perfect for models like Antar™, Big Bertha®, AstroCam®, and Alpha III®, the C6‑5 provides reliable performance for educational, hobbyist, and small‑field launches. Includes: - 3 C6-5 Engines - 4 Starters - 4 Starter Plugs Technical Specifications Total Impulse10.00 N-sec Time Delay5 Seconds Max Lift Weight4.0 oz (113 g) Max Thrust15.30 Newtons (3.4 lbs) Thrust Duration1.60 Seconds Length2.8 in. (7 cm) Diameter18 mm Weight.85 oz. (24.1 g) Propellant Weight0.43 oz (12.2 g) Please Note: Photos may not be of the same packaging, but nothing will be sold older than what is received from our distributor.  This item will ship by US Postal Service only from ModelRocketGuy.com at this time.