The Estes Rockets 1/2A6-2 is an 18 mm, single-stage model rocket engine for lightweight beginner rockets and small-field flights. It provides a short, controlled thrust phase followed by a 2-second delay before recovery-system ejection.
Engine Details
Specifications
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Material: Factory-made model rocket engine; the product record does not specify its material composition.
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Scale: 18 mm diameter and 2.75 in. length.
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Performance: 1.25 N-s total impulse, 8.90 N peak thrust, 0.30-second thrust duration, and 2-second delay.
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Model weight: Intended for rockets weighing under 2 oz (57 g), including the engine.
Package Contents
- 3 1/2A6-2 engines
- 4 igniters
- 4 starter plugs
Compatibility
Use this standard 18 mm engine with compatible Estes beginner kits such as Alpha III, Hi-Flier, Wizard, and Astron Constellation. Confirm the engine recommendation in your kit instructions before flight.
Further Information
Browse the Model Rocketry collection for related rockets and accessories. Visit Estes Rockets for manufacturer information.