1/2A-Class Model Rocket Engine

An 1/2A-class model rocket engine is a single-use engine designed to launch a model rocket. 1/2A-class rocket engines typically have the following properties:

• Total Impulse of .63-1.25 Newton-seconds
• Length of 2 3/4"
• Diameter of 1/2" (to fit inside a BT-5 rocket, or engine mount kit) (exceptions are the mini-engines)

Catalog Items

1/2A6-2 Model Rocket Engine (3) $5.49

1/2A3-2T MINI Model Rocket Engine (4) $5.49

1/2A3-4T MINI Model Rocket Engine (4) $5.49

Related Topics

• Model Rocket Engine Naming Convention