E-Class Model Rocket Engine
Catalog Listings
Rocket Engines

The E-class model rocket engine is for launching fairly large model rockets, and these engines come in two different variations. This is the largest that black-powder based model rocket engines can be safely manufactured.

Single Use

Catalog Listings
Rocket Engines
  • Made by Estes, intended for Estes model rockets
  • Total Impulse of 20.01-40.00 Newton-seconds
  • Length of 3 3/4"
  • Diameter of 1" (to fit inside a BT-20 rocket, or engine mount kit).

Reloadable

Catalog Listings
Rocket Engines
  • Made by Aerotech, intended for highly qualified rocket builders.
  • Total Impulse of 20.01-40.00 Newton-seconds
  • Diameter of 1" (24mm) (to fit inside a BT-20 rocket, or engine mount kit).
  • or, Diameter of 1.13" (29mm) (to fit a 29mm engine mount kit).

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