Explore our wide selection of model rocket engines from trusted brands like Estes, perfect for beginners and seasoned rocketeers alike. Whether you're launching small starter rockets or high-performance models, our engines deliver consistent thrust, smooth flights, and safe recoveries. Choose from a variety of impulse classes including A, B, C, and beyond – all in stock and ready to ship. Every engine is packaged for safety and labeled for compliance with DOT and USPS regulations. Ignite your next launch with powerful performance and proven reliability.
Model Rocket Engines – Safe, Reliable, and Thrilling Launch Power
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Estes Rockets Estes Rockets 1614 | C6-5 Engines | For Estes Model Rockets
PLEASE NOTE: A physical delivery address is required. PO Boxes cannot be used. The Estes C6-5 engine is a single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Estes 1614 Pack package includes: 3 C6-5 Engines 4 starters 4 starter plugs ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. More Information Brand Estes Rockets Engine B6-4 Total Impulse 10.00 N-sec Time Delay 5 Seconds Max Lift Weight 4.0 oz (113 g) Max Thrust 15.30 Newtons (3.4 lbs) Thrust Duration 1.60 Seconds Dimensions Length: 2.8 in. (7 cm)Diameter: 18 mm Weight .85 oz. (24.1 g) Propellant Weight 0.43 oz (12.2 g) TCA Grading C-10 Mint - Brand New Availability In-Stock / Restockable MSRP $12.99 Item # 001614
£6.87
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Estes Rockets Estes Rockets 1606 | B6-4 Engines | For Estes Model Rockets
PLEASE NOTE: A physical delivery address is required. PO Boxes cannot be used. The Estes B6-4 Rocket Engine 3-Pack is a medium engine pack that delivers high altitude flights. As a standard 18mm single-stage engine, this is designed for larger, heavier rockets. Estes 1606 B6-4 Engine Bulk Pack package includes: 3 B6-4 Engines 4 starters 4 starter plugs B6-4 Rocket Engine 3-Pack is best used in the rocket kits below: 0651 Der Red Max 1225 Alpha 1256 Alpha III 1261 Baby Bertha 1292 Wizard 1329 Multi-Roc 1946 Boosted Bertha 1948 Big Bertha 1949 Viking 2008 Generic E2X 2021 Cadet 2056 US Army Patriot 2092 Mongoose 2113 Starbase 2126 Tech-Pak ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. More Information Brand Estes Rockets Engine B6-4 Total Impulse 5.00 N-sec Time Delay 4 Seconds Max Lift Weight 4.0 oz (113 g) Max Thrust 12.10 Newtons (2.7 lbs) Thrust Duration 0.80 Seconds Dimensions Length: 2.8 in. (7 cm)Diameter: 18 mm Weight .63 oz. (17.9 g) Propellant Weight 0.23 oz (6.5 g) TCA Grading C-10 Mint - Brand New Availability In-Stock / Restockable MSRP $11.99 Item # 001606
£6.11
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Estes Rockets Estes Rockets 001602 | B4-4 Engines | For Estes Model Rockets
PLEASE NOTE: A physical delivery address is required. PO Boxes cannot be used. The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each 3-pack package includes: 3 engines 4 starters 4 plugs 1602 B4-4 Rocket Engine 3-Pack is compatible with majority of Estes rocket kits including: 1225 Alpha 1292 Wizard 1261 Baby Bertha 1946 Boosted Bertha 1948 Big Bertha 1949 Viking 2008 Generic 2X 2021 Cadet 2056 US Army Patriot 2092 Mongoose 2169 Dragonite 2178 Hi-Flier 2452 Athena 2483 Phantom Blue 7000 Bull Pup 12D 7220 Crossfire ISX 7245 Comanche-3 7259 Nike-X 7281 Corvetter 7284 Starship 7291 Space Corps Centurion ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. More Information Brand Estes Rockets Engine B4-4 Total Impulse 5.00 N-sec Time Delay 4 Seconds Max Lift Weight 3.5 oz (99 g) Max Thrust 13.20 Newtons (3.0 lbs) Thrust Duration 1.10 Seconds Dimensions Length: 2.8 in. (7 cm)Diameter: 18 mm Weight .68 oz. (19.3 g) Propellant Weight 0.27 oz (7.6 g) TCA Grading C-10 Mint - Brand New Availability In-Stock / Restockable MSRP $11.99 Item # 001602
£5.34
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Estes Rockets Estes Rockets 1613 | C6-3 Engines | For Estes Model Rockets
PLEASE NOTE: A physical delivery address is required. PO Boxes cannot be used. The Estes C6-3 engine is a single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes: 3 C6-3 Engines 4 starters 4 starter plugs ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. More Information Brand Estes Rockets Engine C6-3 Total Impulse 10.00 N-sec Time Delay 3 Seconds Max Lift Weight 4.0 oz (113 g) Max Thrust 15.30 Newtons (3.4 lbs) Thrust Duration 1.60 Seconds Dimensions Length: 2.8 in. (7 cm)Diameter: 18 mm Weight .83 oz. (23.5 g) Propellant Weight 0.43 oz (12.2 g) TCA Grading C-10 Mint - Brand New Availability In-Stock / Restockable MSRP $12.99 Item # 001613 Made In United States of America
£6.87
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Estes Rockets Estes Rockets 001598 | A8-3 Engines | For Estes Model Rockets
PLEASE NOTE: A physical delivery address is required. PO Boxes cannot be used. The Estes A8-3 Rocket Engine is a single stage engine designed for model rocket flights. Estes 1598 contains an18 mm standard engine designed for flights in rockets weighing 3 ounces or less, including engine. Each package includes: 3 A8-3 Engines 4 starters 4 starter plugs Estes 1598 is best for beginner-build level rocket kits that uses18 mm standard engines such as: 1225 Alpha 1256 Alpha III 1261 Baby Bertha 1292 Wizard 1706 Orbis 3D ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. More Information Brand Estes Rockets Engine A8-3 Total Impulse 2.50 N-sec Time Delay 3 Seconds Max Lift Weight 3.0 oz (85 g) Max Thrust 10.70 Newtons (2.4 lbs) Thrust Duration 0.80 Seconds Dimensions Length: 2.8 in. (7 cm)Diameter: 18 mm Weight .55 oz. (15.6 g) Propellant Weight 0.14 oz (4.1 g) TCA Grading C-10 Mint - Brand New Availability In-Stock / Restockable MSRP $11.29 Item # 001598 Made In United States of America
£5.34
