Estes B Engines
B4-2 model rocket engine. 3 pack
3 B4-2 ENGINES FOR MODEL ROCKETS Also included: 3 igniters and 4 plugs
B4-4 model rocket engine. 3 pack
3 B4-4 ENGINES FOR MODEL ROCKETS Also included: 3 igniters and 4 plugs
B6-0 model rocket engine. 3 pack
3 B6-0 BOOSTER ENGINES FOR MODEL ROCKETS Also included: 3 igniters and 4 plugs
B6-2 model rocket engine. 3 pack
3 B6-2 ENGINES FOR MODEL ROCKETS Also included: 3 igniters and 4 plugs
B6-4 Model Rocket Engine Flight Pack
Ready to boost your mid-sized model rockets? The Estes B6-4 Engine Flight Pack delivers consistent performance with a 4-second delay and 0.8-second...
B6-6 model rocket engine. 3 pack
3 B6-6 ENGINES FOR MODEL ROCKETS Also included: 3 igniters and 4 plugs