B6-4 Model Rocket Engine FP (Flight Pack)
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4 out of 5 stars
Description
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 thrust duration-great for rockets up to 4.0 oz. With a total impulse of 5.00 N-sec, it offers a reliable balance of power and stability for hobbyists of all skill levels.
Each pack includes 3 B6-...
Each pack includes 3 B6-...
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