1/2A3 4T Engines/4pk 13MM Bag

The 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 dependable performance make it an ideal
choice for hobbyists and educators seeking a reliable mini engine option.

Includes:

– 4 1/2A3-4T Engines

– 4 Starters

– 4 Starter Plugs