This is a pack of three Estes B6-6 Model Rocket Engines. The Estes B6-6 engine is an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine in lightweight rockets. Each package includes three engines, three igniters and four igniter plugs.

Specifications:

• Engine Type: B6-6
• Total Impulse (N-sec): 5.0
• Time Delay (Sec): 6
• Maximum Lift Wt. Oz/g): 2.5/71
• Maximum Thrust (Newtons/Lbs): 12.1/2.7
• Thrust Duration (Sec): 0.8
• Initial Weight (Oz/g): 0.78/22.1
• Propellant Weight (Oz/g): 0.22/6.24