The Estes A8-3 model rocket engine (item 10017) is built for lightweight, standard-size rockets weighing under 3.0 ounces including the motor. This single-stage engine delivers steady A-class thrust from liftoff, followed by a 3-second delay to time parachute or streamer deployment.
Key Features
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Consistent Power: Single-stage A-class performance for lightweight model rockets.
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Perfect Timing: Built-in 3-second delay for reliable recovery system deployment.
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Complete Ignition Kit: Pack includes 3 single-use engines, 4 starters (igniters), and 4 starter plugs.
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Universal Standard Fit: 18mm diameter, 2.75 in (7.0 cm) length, fits standard BT-20 body tubes.
Specifications
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Product Number: Estes 10017
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Engine Type: A8-3 single stage
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Diameter: 18 mm (0.69 in)
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Length: 7.0 cm (2.75 in)
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Max Rocket Weight: Less than 3.0 oz (85 g) including motor
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Certification: NAR certified
More from Estes
Browse more kits, motors, and launch gear in our Model Rocketry collection, or check the manufacturer's technical data on the Estes Rockets website.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.