Explore the Estes A3-4T Engines at MegaHobby. This model rocket engine pack is selected by its complete engine designation, not simply by the letter class.
Product features and specifications
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
Select the exact recommended engine
Match the full engine code, physical size and application to the rocket manufacturer’s instructions. Different delays and booster designations are not interchangeable choices. Check the listed pack contents before ordering and confirm which launch supplies are already included.
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Browse Estes rockets and supplies and Estes Model Rocket Engines. Explore the wider Model Rocketry collection, then find building tools and finishing materials in the Paint Store.
Shop Estes Products at MegaHobby
Shop Estes A3-4T Engines EST10013 at MegaHobby. Browse more products from Estes along with related hobby supplies, tools, paints, accessories, and modeling essentials.
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