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Quantity
1
Description
The Estes 1/2A3‑2T is a single-stage 13 mm mini engine for lightweight model rockets. With 1.25 N‑s impulse, 8.3 N peak thrust, and a 2‑second delay, it delivers quick and reliable launches. Packs include 4 engines, 4 igniters, and 4 plugs. ...