Estes Rockets A3-4T (4 ea) - Bagged

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  • Model: EST10013
  • Units in Stock: 0
  • UPC: 047776100138
  • Manufactured by: Estes Rockets
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Estes Rockets A3-4T (4 ea) - Bagged

The Estes A3-4T is a mini single-stage model rocket engine designed for rockets up to 2.0 ounces. With a peak thrust of 6.80 newtons, a 0.60-second thrust duration, and a 4-second delay, it delivers dependable performance for lightweight rocket flights.

Each pack includes four engines, four starters, and four starter plugs—so you have everything needed for multiple launches without purchasing ignition components separately.

Includes:

  • 4 A3-4T Engines
  • 4 Starters
  • 4 Starter Plugs

Technical Specifications:

Total Impulse 2.50 N-sec
Time Delay 4 Seconds
Max Lift Weight 2.0 oz (57 g)
Max Thrust 6.80 Newtons (1.5 lbs)
Thrust Duration 0.60 Seconds
Length 1.8 in. (4.6 cm)
Diameter 13 mm
Weight 0.28 oz. (7.9 g)
Propellant Weight 0.12 oz (3.3 g)



This product was added to our catalog on Thursday 19 June, 2025.


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