E16-4 Engines (29 mm) 663 so get an Alpha and

so get an Alpha and start flying today

Enhance your rocketry lessons with ready-to-use educational resources

and improve with each flight

It is designed to handle the lightweight materials most often used in model rocketry and classroom craft projects

Built for reliable flight performance

E16-4 Engines (29 mm) 663 so get an Alpha andThe E16 4 Engines (29 mm) by Estes Rockets deliver powerful and reliable performance for mid to high powered model rockets. Ideal for single stage flights or upper stages of multi stage designs, these engines provide an impressive total impulse of 33. 68 N sec and a 4 second delay for optimal parachute deployment. Whether you're launching larger rockets or experimenting with advanced models, the E16 4 is the perfect choice for rocketeers seeking