ESTES Engines for Model Rockets 1/4A3-3T Engines (EST1502)

ESTES Engines for Model Rockets 1/4A3-3T Engines (EST1502)

16.95 16.95 16.95 CAD1997-01-06 00:00:005.0 5.0 True16.95

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SKU: 047776015029

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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001502 - 1/4A3-3T Engines Description

The Estes 1/4A3-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets.  

Each package includes

  • 4 - 1/4A3-3T Engines
  • 4 - Starters
  • 4 - Starter Plugs

Technical Specs

  • Length: 1.75 in. (4.4 cm)
  • Diameter: .50 in. (13 mm)
  • Estimated Weight: .21 oz. (6 g)
  • Total Impulse: 0.625 N-sec
  • Time Delay: 3 Seconds
  • Estimated Max Lift Weight: 1.0 oz (28 g)
  • Max Thrust: 4.90 Newtons (1.1 lbs)
  • Thrust Duration: 0.25 Seconds
  • Initial Weight: 0.21 oz (5.9 g)
  • Propellant Weight: 0.05 oz (1.3 g)
  • Quantity Per Pack: 4