Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 These are carbon fiber-reinforced nylon

These are carbon fiber-reinforced nylon plastic C parts for the M-07 chassis

and fun to collect palm size

making learning accessible and enjoyable

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

Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 These are carbon fiber-reinforced nylonThe 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