A8-3 Engine Bulk Pack
A8-3 Engine Bulk Pack Unboxed
001781 - A8-3 Engine Bulk Pack -2825
A8-3 Engine Bulk Pack

A8-3 Engine Bulk Pack


An A8-3 engine is your best bet for students to launch their rockets and see the entire flight profile.

Estes engine bulk packs are convenient and include everything your students need to prepare their rockets for launching.

PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.


Estes A8-3 Engine Bulk Pack is a single stage engine designed for model rocket flights weighing less than 3 ounces, including the engine.

These engine packs may be used for the rocket bulk packs or other Estes rockets. Whether you are launching rockets at school with students, at a youth group activity or rocket club monthly launch, Estes engine bulk packs are a must.

A8-3 Engine Bulk Pack comes with all the rocket engine supplies you need to launch 24 rockets. Included are-

  • 24 A8-3 rocket engines
  • 30 model rocket starters
  • 24 reusable starter plugs
  • 75 squares of recovery wadding

Use Estes 1781 engines to launch these bulk pack rockets -

  • 1756 Alpha Rocket Bulk Pack of 12
  • 1751 Alpha III Bulk Pack of 12
  • 1764 Generic E2X Bulk Pack of 12
  • 1754 Wizard Bulk Pack of 12
  • Viking Bulk Pack of 12

ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.


Technical Specifications

Technical Specifications

  • Total Impulse

2.50 N-sec
  • Time Delay

3 Seconds
  • Max Lift Weight

3.0 oz (85 g)
  • Max Thrust

10.70 Newtons (2.4 lbs)
  • Thrust Duration

0.50 Seconds
  • Length

2.8 in. (7 cm)
  • Diameter

18 mm
  • Weight

.55 oz. (15.6 g)
  • Propellant Weight

0.14 oz (4.1 g)
  • Having Trouble?

Check out our Help Center

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