Estes Rockets 1/2A3-4T Engines EST10012

    Description

    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
    Product form

    SKU: EST10012
    Barcode: 047776100350

    Unfortunately, this product is out of stock

    Out of stock, 1-2 Weeks, may vary due to availability

    $11.99

      • Guaranteed secure & safe checkout.

        shop pay
      • Free shipping on orders over $150
      Pay whenever you want

      Easily pay within 30 days after you have received your package.
      Read more

      Description

      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

      Recently viewed products

        © 2026 Auer Ace Hobbies, Powered by Shopify

          • American Express
          • Apple Pay
          • Diners Club
          • Discover
          • Google Pay
          • Mastercard
          • PayPal
          • Shop Pay
          • Visa

          Login

          Forgot your password?

          Don't have an account yet?
          Create account