Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 and fun to collect palm

and fun to collect palm size

Crafted with precision for versatility and dependability

Carbon fiber transmission brace

The Celestial Explorer by Estes Rockets is the ultimate choice for beginner rocketeers eager to experience the thrill of model rocketry

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

Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 and fun to collect palmThe 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