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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 3 engines, 4 starters and 4 plugs.
- Total Impulse: 5.00 N-sec
 - Time Delay: 6 Seconds
 - Max Lift Weight: 2.5 oz (71 g)
 - Max Thrust: 12.10 Newtons (2.7 lbs)
 - Thrust Duration: 0.80 Seconds
 - Length: 2.8 in. (7 cm)
 - Diameter: 18 mm
 - Weight: .64 oz. (18.1 g)
 - Propellant Weight: 0.23 oz (6.5 g)