The Estes B4-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine.

Each package includes 3 engines, 4 starters and 4 plugs.

Specifications
Total Impulse: 5.00 N-sec
Time Delay: 2 Seconds
Max Lift Weight: 4.0 oz (113 g)
Max Thrust: 13.20 Newtons (3.0 lbs)
Thrust Duration: 1.10 Seconds
Length: 2.8 in. (7 cm)
Diameter: 18 mm
Weight: .66 oz. (18.7 g)
Propellant Weight: 0.27 oz (7.6 g)

SKU EST-1601
Barcode # 0047776016019
Brand Estes
Shipping Weight 0.1000kg
Shipping Width 0.100m
Shipping Height 0.050m
Shipping Length 0.200m
Shipping Cubic 0.001000000m3

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