A-Class Model Rocket Engine
Catalog Listings
Rocket Engines

An A-class model rocket engine is a single-use engine designed to launch a model rocket. A-class rocket engines have the following properties:

  • Total Impulse of 1.26-2.50 Newton-seconds
  • Length of 2 3/4"
  • Diameter of 1/2" (to fit inside a BT-5 rocket, or engine mount kit)

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