Estes B6-4 Model Rocket Engine Educator Pack (24)

The Estes B6-4 Educator Pack is a bulk engine pack designed for classroom programs, rocketry clubs, and group launch events. Featuring 24 B6-4 engines, this pack delivers consistent, reliable performance for medium-sized rockets with a 4-second delay — ideal for teaching the fundamentals of rocketry to students and groups.

• Total Impulse: 5.0 N-sec (Class B Engine)
• Thrust Duration: 0.7 seconds
• Delay Time: 4.0 seconds
• Maximum Lift Weight: Approximately 113 grams (4.0 oz)
• Optimal for: Group launches, classroom programs, and rocketry education events
• Recovery Delay: Moderate delay allows rockets to coast to near-peak altitude before deploying recovery system

Each B6-4 Educator Pack includes:

• 24 B6-4 engines
• Igniters and igniter plugs included
• Recovery wadding

Recommended Use: For use in rockets designed for B-class engines in educational and group settings. Ensure safe launch practices by following the NAR Safety Code and local regulations.