An A8-3 engine is the best bet for students to launch their rockets and see the entire flight profile.
- Estes engine bulk packs are convenient and include everything students need to prepare rockets for launching
Estes model rocket engine bulk packs are available in four total impulse ranges: A½A (mini engine), A, B, or C (standard engines). These packs may be used for the rocket bulk packs or other Estes rockets. Whether you are launching rockets at school with students, at a youth group activity, or rocket club monthly launch, Estes engine bulk packs are a must.