Estes C11-5 Model Rocket Engines, 24mm Single-Stage Motors, 2-Pack
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Estes C11-5 Model Rocket Engines, 24mm Single-Stage Motors, 2-Pack
- C11-5 Model Rocket Engines – Genuine Estes 24 mm single-stage motors designed for compatible mid-sized model rockets.
- 10.00 N-sec Total Impulse – Each engine produces up to 22.10 N (4.9 lb) maximum thrust with a thrust duration of approximately 0.80 seconds.
- 5-Second Delay – C11-5 configuration provides a five-second delay between powered flight and the ejection event.
- For Rockets Up to 5 Oz – Estes specifies a maximum lift weight of 5.0 oz (142 g); always verify the recommended motor for your specific rocket.
- Complete 2-Pack – Includes 2 C11-5 engines, 2 starters, and 4 starter plugs.
Power your next model rocket flight with Estes C11-5 Model Rocket Engines. Designed for mid-sized model rockets that need more thrust than standard 18 mm motors provide, each C11-5 is a 24 mm single-stage engine delivering 10.00 N-sec of total impulse with a 5-second delay before recovery-system ejection. Each package includes two C11-5 engines, two starters, and four starter plugs, providing the components needed to power two compatible model rocket flights. Always use only with model rockets specifically designed for the C11-5 engine and follow all Estes safety instructions.
Frequently Asked Questions
What size rocket do I need for the C11-5 engine?
The C11-5 is designed for model rockets with a maximum lift weight of 5.0 oz (142 g). Always verify the recommended motor for your specific rocket before purchasing to ensure compatibility.
How much thrust does the C11-5 engine produce?
Each C11-5 produces a maximum thrust of 22.10 N (4.9 lb) with approximately 0.80 seconds of thrust duration and a total impulse of 10.00 N-sec.
What is the ejection delay time on the C11-5?
The C11-5 has a 5-second delay, which is the time between the end of powered flight and the ejection charge firing to deploy the recovery system.
Is this a 24mm engine and what comes in the 2-pack?
Yes, the C11-5 is a 24 mm single-stage motor. The 2-pack includes 2 engines, 2 starters, and 4 starter plugs—everything needed for two flights.
Can I use the C11-5 in any model rocket?
No—only use the C11-5 in model rockets specifically designed for this engine. Always follow Estes safety instructions and verify your rocket's motor compatibility before flight.
