Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 Wire Length: 5"

Wire Length: 5"

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

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Carbon fiber transmission brace

Estes Rockets - 1/2A3-4T Model Rocket Engines, (4pk) RGRC2491 Wire Length: 5"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