13mm

13mm
  • 1/2A3-2T (4ea)

    1/2A3-2T (4ea)

    The Estes 1/2A3-2T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.  The 1/2A3-2T Engine is a powerful and reliable model rocket engine. Crafted with high-grade materials, these engines provide maximum thrust along with an optimal burn time. Try the 1/2A3-2T Engines for your next launch and experience the reliable, trustworthy performance. …

    $11.29 $8.47

    Stock Level: 99

    $11.29 $8.47

    Stock Level: 99
  • 1/2A3-4T (4ea)

    1/2A3-4T (4ea)

    The Estes 1/2A3-4T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs. 

    $11.29 $8.47

    Stock Level: 115

    $11.29 $8.47

    Stock Level: 115
  • 1/4A3-3T (4ea)

    1/4A3-3T (4ea)

    The Estes 1/4A3-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.

    $11.29 $8.47

    Stock Level: 123

    $11.29 $8.47

    Stock Level: 123
  • A10-0T (4ea)

    A10-0T (4ea)

    The Estes A10-0T engine is a booster stage engine designed for model rocket flight and has to be used with a mini engine. This engine is for flights in rockets weighing less than 4 ounces, including the engines. Each package includes 4 engines, 4 starters and 4 plugs.

    $11.29 $8.47

    Stock Level: 109

    $11.29 $8.47

    Stock Level: 109
  • A10-3T (4ea)

    A10-3T (4ea)

    The Estes A10-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.

    $11.29 $8.47

    Stock Level: 121

    $11.29 $8.47

    Stock Level: 121
  • A3-2T (4ea)

    A3-2T (4ea)

    The Estes A3-2T is a specially produced, 13mm model rocket engine that has a 2-second delay. Enjoy watching your rocket soar at its highest heights for 2 seconds longer before it starts the descent with this incredible mini engine. Use this engine with more than 15 of our rockets including the Star Hopper, The Gnome, The Firestreak, the Gryphon, the Mini Honest John, and more! Each package includes 4 engines, 4 starters, and 4 mini starter plugs. MAX THRUST: 6.8 N/1.5 LBS. THRUST DURATION: 0…

    $11.29 $8.47

    Stock Level: 93

    $11.29 $8.47

    Stock Level: 93
  • A3-4T (4ea)

    A3-4T (4ea)

    The Estes A3-4T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.

    $11.29 $8.47

    Stock Level: 111

    $11.29 $8.47

    Stock Level: 111
  • A3-6T (4ea)

    A3-6T (4ea)

    The Estes A3-6T is a specially produced, 13mm model rocket engine that has a 6-second delay. Enjoy watching your rocket soar at its highest heights for 6 seconds longer before it starts the descent with this incredible mini engine. Use this engine with more than 10 of our rockets including the Star Hopper, The Gnome, the Gryphon, the Mini Honest John, and more! Each package includes 4 engines, 4 starters, and 4 mini starter plugs. MAX THRUST: 6.8 N/1.5 LBS. THRUST DURATION: 0.6 SEC DELAY TI…

    $11.29 $8.47

    Stock Level: 176

    $11.29 $8.47

    Stock Level: 176
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