Estes 10035 1/2A3-4T Bagged Rocket Engines with Starters and Plugs (4 Pack) Winch Accessory Athearn RTR 1802 HO Scale

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Estes 10035 1/2A3-4T Bagged Rocket Engines with Starters and Plugs (4 Pack) Winch Accessory Athearn RTR 1802 HO ScaleEstes 10035 1 2A3 4T Bagged Rocket Engines with Starters and Plugs 4 Pack 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, its designed for quick, reliable flights in smaller models. Each 1 2A3 4T engine pack includes four engines, four starters, and four starter plugsproviding