The Estes C11-7 engine is a single stage engine designed for model rocket flight. This engine is a 24mm diameter engine designed for rockets with a maximum lift weight of less than 4 ounces. Each package includes 2 engines, 2 starters and 4 starter plugs.

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.