B4-2 Engines (EST1601)

B4-2 Engines (EST1601)

Standard 18mm Engines for Model Rockets

17.95 17.95 17.95 CAD1997-01-06 00:00:001.0 1.0 17.95

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SKU: 047776016019

Safety Warning This product may contain sharp points, small parts that are choking hazards, or other elements that are not suitable for children.


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001601 - B4-2 Engines Description

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
  • 3 starters
  • 4 plugs
Technical Specs
  • Length: 2.8 in. (7 cm)
  • Diameter: .7 in. (18 mm)
  • Estimated Weight: .66 oz. (18.7 g)
  • Total Impulse: 5.00 N-sec
  • Time Delay: 2 Seconds
  • Estimated Max Lift Weight: 4.0 oz (113 g)
  • Max Thrust: 13.20 Newtons (3.0 lbs)
  • Thrust Duration: 1.10 Seconds
  • Initial Weight: 0.66 oz (18.6 g)
  • Propellant Weight: 0.27 oz (7.6 g)
  • Quantity Per Pack: 3