The Estes 1/2A6‑2 is a single-stage 18 mm engine ideal for model rockets under 2 oz. With 1.25 N‑s impulse, 8.9 N thrust, and a 2‑second delay, it provides smooth, controlled launches. Includes three engines, four starters, and four plugs.

Designed for educational use, backyard flights, and beginner kits, the 1/2A6‑2 delivers safe, consistent performance across smaller flying fields.

Includes:

3 × 1/2A6-2 Engines

4 × Starters

4 × Starter Plugs

PLEASE NOTE: You must have a physical address for delivery.