Robotic & Radio Control Toys › Estes Hydrogen Fuel Rocket › Evolution Engines

PLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions... PLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket s product description) to determine engine compatibility. Estes B6-2 engine pack - includes 3 engines 4 starters and 4 starter... more

This mini bulk pack provides 9 of the Estes B4-4 model engines which is suitab... This mini bulk pack provides 9 of the Estes B4-4 model engines which is suitable for use in rockets weighing roughly between 1 and 2 ounces which is typical of most rockets being 1 to 2 feet tall. Estes model rocket engines are the standard in the... more

This two engine combo pack is to be used with two stage rockets and comes with... This two engine combo pack is to be used with two stage rockets and comes with all the rocket engine supplies you need to launch 12 rockets. Includes 24 rocket engines (12 B6-0 and 12 B6-6) 30 model rocket starters 24 reusable starter plugs and 75... more

PLEASE NOTE: These are large (29mm diameter) engines that will only fit certai... PLEASE NOTE: These are large (29mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket s product description) to determine engine compatibility. Estes F15-6 engine... more

Includes 24 Engines 30 Starters and 24 Plugs. The B6-4 is a medium impulse eng... Includes 24 Engines 30 Starters and 24 Plugs. The B6-4 is a medium impulse engine that delivers high altitude flights - works great for launching larger heavier rockets too. Please verify that these engines are compatible with your model rocket... more

PLEASE NOTE: These are large (24mm diameter) engines that will only fit certai... PLEASE NOTE: These are large (24mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket s product description) to determine engine compatibility. Estes E12-4 engine... more

PLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions... PLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket s product description) to determine engine compatibility. Estes A8-3 engine pack - includes 3 engines 4 starters and 4 starter... more

Estes 1/4 A3-3T mm Single (4) HAZS EST1502 Estes s model rocket engines are si... Estes 1/4 A3-3T mm Single (4) HAZS EST1502 Estes s model rocket engines are simply the best! We have been making rocket engines for over 50 years. Estes developed the first machine to mass produce solid propellant model rocket engines which gave... more

These are not the E22 batch engines! The Estes C11-5 engine is for flights in ... These are not the E22 batch engines! The Estes C11-5 engine is for flights in rockets weighing less than 6 ounces including the engines. Each package includes 2 engines 2 starters and 4 starter plugs. more

Get Ready for Lift-Off If you re new to rocketry the Tri-Flyer is your perfect... Get Ready for Lift-Off If you re new to rocketry the Tri-Flyer is your perfect starting point. It s designed to be simple and exciting so you can have a blast right from the beginning! Rocket Basics Size: The Tri-Flyer stands about 2 feet tall and... more

Estes® D12-3 Model Rocket Engines (4 pk) Single stage model rocket engines De... Estes® D12-3 Model Rocket Engines (4 pk) Single stage model rocket engines Designed for rockets with 14 oz. maximum lift weight 24 mm diameter 4 engines 4 starters 8 plugs Can not be shipped to a P.O. Box ENGINES FOR MODEL ROCKETS 4 - D12-3 Engines... more

The Estes A3-6T mini engine is a specially produced 13mm model rocket engine t... The Estes A3-6T mini engine is a specially produced 13mm model rocket engine that has a 6-second delay. Enjoy watching your rocket soar at its highest heights for an extra 6 seconds before it starts the descent with this incredible mini engine. Each... more

Take your model rocketry to the next level with the Estes F15-8 engine—a pow... Take your model rocketry to the next level with the Estes F15-8 engine—a powerful choice for single-stage rockets that need long-duration thrust and a delayed recovery system deployment. This engine is designed for impressive altitude and... more

The Estes A3-2T mini engine is a specially produced 13mm model rocket engine t... The Estes A3-2T mini engine is a specially produced 13mm model rocket engine that has a 2-second delay. Enjoy watching your rocket soar at its highest heights for an extra 2 seconds before it starts the descent with this incredible mini engine. Each... more

A simple build and mini engine powered! Give us about an afternoon of your tim... A simple build and mini engine powered! Give us about an afternoon of your time and we will give you a fun rocket build! Standing over 21 inches tall watch the Indicator reach 200 feet on an A10-3T engine! ADDITIONAL INFORMATION Length 21.2 in.... more

E2X - Easy to AssembleLength: 18.5 in. (47 cm)Diameter: .98 in. (25 mm)Estimat... E2X - Easy to AssembleLength: 18.5 in. (47 cm)Diameter: .98 in. (25 mm)Estimated Weight: 2.6 oz. (72.7 g)Plastic Fins Self-stick Decals 12 in (30.5 cm) Parachute Recovery Recommended Engines: Without egg: B6-4 (first launch) C6-5. With egg:... more