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Power your model rocketry adventures with authentic Estes rocket engines spanning 1/4A through E impulse classes and essential launch accessories for safe, successful flights. This collection features popular motors including A8-3 engines, B6-2 engines, and C6-5 flight packs plus launch controllers and altitude trackers manufactured to exacting safety standards. Visit the official Estes Rockets website for specifications.
Estes has established itself as America's leading manufacturer of model rocket engines and accessories, delivering reliable propulsion systems and essential launch equipment that have powered millions of successful flights since 1958. With decades of engineering excellence and unwavering commitment to safety, Estes rocket motors provide consistent thrust profiles, reliable ignition, and predictable performance across multiple impulse classes from 1/4A micro motors through E-class engines suitable for larger rockets and multi-stage designs. Each engine undergoes rigorous quality control testing ensuring dimensional accuracy, propellant consistency, and ejection charge reliability that make Estes the trusted choice for first-time rocketeers through experienced enthusiasts pursuing altitude records and complex flight profiles.
The 1/4A class provides the lowest total impulse suitable for ultra-lightweight rockets and indoor flying. The 1/4A3-3T Engines 10010 and 1/4A3-3T Engines 1502 feature 3-second delay for lightweight rockets with quick ascent and recovery deployment.
The 1/2A class delivers reliable performance for beginner rockets and lightweight designs. The 1/2A3-2T Engines 10011 provides 2-second delay for quick-ascending lightweight rockets. The 1/2A3-4T Engines 10035 offers 4-second delay for higher flights. The 1/2A3-4T Engine Bulk Pack 001788 provides economical multi-pack option. The 1/2A6-2 Engines and 1/2A6-2 Model Rocket Engines 1593 feature higher average thrust with 2-second delay.
The A class represents the most popular beginner engine size with versatile performance. The A8-3 Engines 10017, A8-3 Engines 1598, and A8-3 Engine Flight Pack 7957 provide 3-second delay for standard beginner rockets. The A8-3 Engine Bulk Pack 1781 offers economical quantity. The A8-0 Engines and A8-0 Engines 10045 feature zero delay for booster stage applications. The A8-5 Engines and A8-5 Engines 1599 provide 5-second delay for higher altitude flights. The A10 series includes A10-0T Rocket Engine 10044, A10-0T Engines 1510, A10-3T Engines 10015, A10-3T Engines 1511, and A10-PT Engines 1505 with higher average thrust. The A3-2T Engines 001506 provides lower thrust with 2-second delay.
The B class delivers increased total impulse for heavier rockets and higher flights. The B4-2 Engines 001601 and B4-2 Engines 010018 feature 2-second delay with moderate thrust. The B4-4 Rocket Engines 10019 provides 4-second delay. The B6 series includes B6-0 Bagged Rocket Engines 10046 and B6-0 Engines for booster stages. The B6-2 Engines 001605 and B6-2 Rocket Engines 10020 provide 2-second delay. The B6-4 Engines 10021, B6-4 Engine Flight Pack, and B6-4 Engine Flight Pack 010055 offer 4-second delay. The B6-4 Engine Bulk Pack 1783 and B6-0/B6-6 Engine Bulk Pack 24-pack provide economical quantities.
The C class provides substantial total impulse for larger rockets and impressive altitude capability. The C6-5 Engine Flight Pack 10056 delivers 5-second delay for high-altitude flights with standard C-class power.
The E class represents the highest power available in standard Estes engines for maximum altitude and heavy payloads. The E12-8 Engines 10041 provides 8-second delay with substantial total impulse for large rockets and high-altitude attempts.
Essential launch equipment ensures safe ignition and reliable launches. The Mini Launch Pad and Controller 002464 provides complete launch system with safety key, launch button, and adjustable pad for rockets up to 4 ounces.
Altitude measurement tools document flight performance. The Altitrak Altitude Tracker 002232 enables accurate altitude measurement through triangulation method with sighting tube and angle measurement. The Altimeter 2246 provides electronic altitude recording with digital display.
Recovery parachutes ensure safe landings and rocket reusability. Options include 6-inch Printed Parachute, 9 Inch Printed Parachute 002268, 12 inch Printed Parachute 2264, 15-inch Printed Parachute, 18-inch Printed Parachute, and 24-inch Printed Parachute.
Launch rods provide stable guidance during initial ascent. The 1/8 inch Two-Piece Launch Rod 2243 accommodates lightweight rockets. The 3/16 inch Two-Piece MAXI Launch Rod 2244 provides heavier-duty option for larger rockets.
Engine mounting hardware enables custom rocket construction. The Regular Engine Mount Kit 3158 includes engine tube, hook, and mounting ring for standard 18mm engines. The 24 mm to 29 mm Engine Adapter enables larger engines in 24mm motor mounts. The 24mm Motor Retainer Set 009751 provides reusable engine retention.
The Kerbal Val & Moondog Desktop Display 000500 provides display model from the Kerbal Space Program collaboration.
Every Estes rocket engine features precision-manufactured propellant grains ensuring consistent burn rates and thrust profiles, reliable ignition systems with standardized igniters for dependable starts, quality-controlled ejection charges providing proper recovery deployment, and comprehensive safety testing meeting National Association of Rocketry certification standards. The engines are designed for use with proper launch equipment including safety keys, adequate launch distance, and appropriate recovery systems. Quality control processes ensure consistent performance across production batches with dimensional accuracy and propellant consistency.
Build your complete model rocketry system with Estes engines spanning 1/4A through E impulse classes, launch controllers ensuring safe ignition, altitude trackers documenting flight performance, recovery parachutes enabling reusability, and construction hardware for custom rocket building. Visit the official Estes Rockets website for detailed specifications, safety guidelines, engine selection charts, altitude prediction tools, and the complete product catalog from this legendary American rocket manufacturer that has been inspiring future scientists and engineers for over 65 years through safe, reliable model rocketry products that make the dream of spaceflight accessible to enthusiasts of all ages.