Estes B4-2 Engines #10018

Estes B4-2 Engines #10018 is an Estes model rocket engine for powered model-rocket flight and launch-day use.

Engineered for straightforward, repeatable performance, the Estes B4-2 provides the reliable thrust you want from a standard model rocket engine. Its balanced burn delivers predictable altitude and recovery timing, making it an ideal choice for beginners learning flight dynamics as well as experienced fliers who appreciate consistent results. What makes the B4-2 stand out is its combination of ease of use and dependable manufacturing quality. The casing and propellant formulation produce clean, steady thrust with consistent delay timing, which reduces variability between flights. That consistent performance helps you tune recovery systems, estimate apogee, and teach flight concepts with confidence. The B4-2 is versatile in application. Use it for small display flights, classroom demos, club launches, and friendly competitions where predictable, safe performance matters. Its size and impu

Product details

• Manufacturer part number: 10018
• Heartland item number: EST10018

Use only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.