Estes C11-0 booster engines give your two stage rockets the strong, reliable push they need to separate cleanly and climb higher. Ideal for rockets weighing up to 6 ounces including engines, these boosters are compact but powerful.
Made for hobbyists who want predictable, repeatable results, the C11-0 offers a clean burn and consistent thrust that makes staging easier and flights more successful. Pair them with standard Estes 24 mm engines for dependable two stage performance.
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Note: You must have a physical address for delivery.