A8-3 Engine Bulk Pack (24)

A8-3 Engine Bulk Pack (24)

$92.99
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A8-3 Engine Bulk Pack (24)
  • A8-3 Engine Bulk Pack (24)
A8-3 Engine Bulk Pack (24)

A8-3 Engine Bulk Pack (24)

$92.99
24-Pack Quantity Launches up to 24 rockets
3-Second Delay Optimal coasting before ejection charge
2.5 N-s Impulse Standard A-class rocket power
3.0 oz Max Lift Ideal for light model rockets
18mm Diameter Standard single stage engine size
Complete Launch Pack Includes starters and recovery wadding

In Stock
SKU: EST1781
Part #: 100025533
MFG: Estes
45+ YEARS IN BUSINESSServing since 1978
REPAIR SERVICESRC Cars, Planes, Boats, Drones & More
AUTHORIZED DEALERGenuine products from top brands
FAST SHIPPINGNext day shipping anywhere in the country.
EASY RETURNSIn-stock items returnable within 30 days
Rocket Power SimplifiedReliable propulsion for group launches

The Estes A8-3 Engine Bulk Pack is the ultimate solution for school projects, youth groups, and rocketry clubs looking for dependable propulsion. Designed for single-stage model rockets weighing under 3 ounces, this bulk pack provides high-flying power while allowing students to view the complete flight profile. Equip your next launch event with official Estes model rocket engines for an unforgettable STEM experience.

High-Flying PerformanceEverything needed for student rocketry

Designed for low-altitude, high-visibility flights, the Estes A8-3 Engine Bulk Pack comes fully loaded with all the essentials required to launch up to 24 model rockets. Each engine features an 18mm diameter with a short 3-second delay, making it ideal for lighter rockets to reach peak altitude before deploying their recovery systems safely. Included in this comprehensive model rocket engine bulk pack are 24 A8-3 engines, 30 starters, 24 reusable starter plugs, and 75 squares of flame-resistant recovery wadding. Perfect for group activities and educational settings, these reliable single stage rocket engines ensure smooth ignition, consistent thrust, and safe ejection charges across popular rockets like the Alpha, Wizard, and Viking.

Engine Performance DataDetailed specs and lift metrics
Completion Level Ready to Use (icon)
Engine Type Single Stage Motor (icon)
Engine Diameter 18 mm (icon)
Length 2.8 in. (7 cm) (icon)
Total Impulse 2.50 N-sec (icon)
Time Delay 3 Seconds (icon)
Max Lift Weight 3.0 oz (85 g) (icon)
Max Thrust 10.70 Newtons (2.4 lbs) (icon)
Thrust Duration 0.80 Seconds (icon)
Engine Weight 0.55 oz (15.6 g) (icon)
Propellant Weight 0.14 oz (4.1 g) (icon)
Pack Contents & DetailsAll included launch essentials
Engine Quantity24 A8-3 model rocket engines (icon)
Starters Included30 model rocket starters (icon)
Starter Plugs24 reusable starter plugs (icon)
Recovery Wadding75 squares of flame-resistant wadding (icon)
Rocket CompatibilityFits Alpha, Alpha III, Wizard, Generic E2X, and Viking (icon)
Ideal UsageClassrooms, youth groups, and rocketry clubs (icon)
Frequently Asked QuestionsEverything you need to know
What is included in the Estes A8-3 Engine Bulk Pack?

The Estes A8-3 Engine Bulk Pack includes 24 A8-3 rocket engines, 30 model rocket starters, 24 reusable starter plugs, and 75 squares of protective recovery wadding—everything required for 24 rocket launches.

What rockets are compatible with the Estes A8-3 Engine Bulk Pack?

The Estes A8-3 Engine Bulk Pack is ideal for lighter single-stage rockets under 3 oz total weight, including the Estes Alpha, Alpha III, Wizard, Viking, and Generic E2X bulk pack rockets.

What does the 'A8-3' designation mean for the Estes A8-3 Engine Bulk Pack?

In the Estes A8-3 Engine Bulk Pack, 'A' indicates the total impulse power class (2.5 N-sec), '8' represents the average thrust in Newtons, and '3' specifies the 3-second delay time between thrust burnout and the ejection charge.

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