Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 Crafted with precision for versatility

Crafted with precision for versatility and dependability

and fun to collect palm size

Use with Item 53571 TRF Damper Set (Fluorine Coated) is recommended

Wire Length: 5"

are attached beneath the wings

Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 Crafted with precision for versatilityThe Estes 1 2A3 4T engine is a mini, single stage engine built for lightweight model rockets up to 1. 0 ounce. With a total impulse of 1. 25 N sec, a maximum thrust of 8. 3 newtons, and a brief 0. 3 second thrust duration, it's designed for quick, reliable flights in smaller models. Each 1 2A3 4T engine pack includes four engines, four starters, and four starter plugs providing hobbyists with the essentials for multiple launches. Its compact size and