Estes 1/2A6-2 Engines #10016

Estes 1/2A6-2 Engines #10016 is an Estes model rocket engine for powered model-rocket flight and launch-day use.

The Estes 1/2A6‑2 engine is a single-stage, standard 18 mm engine tailored for rockets weighing under 2 oz (57 g) including engine, perfect for lightweight beginner models and small-field flights. Each package includes three engines, four igniters, and four starter plugs, so you’re ready to launch multiple rockets straight out of the box. With a total impulse of 1.25 N‑s, a peak thrust of 8.90 N (2.0 lb), and a brief thrust duration of just 0.30 s, the 1/2A6‑2 delivers smooth yet dependable lift-off for small-scale rockets. After engine burn-out, the 2-second delay allows the rocket to coast to apogee before ejection, producing a controlled and safe recovery without overstressing your model. Measuring 2.75″ in length and sized at 18 mm diameter, this engine complements a wide range of Estes beginner kits like Alpha III®, Hi‑Flier®, Wizard™, and Astron Constellation™, providing ideal perf

Product details

• Manufacturer part number: 10016
• Heartland item number: EST10016

Use only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.