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1/2A3-4T Engine Bulk Pack


The Estes 1/2A3-4T is perfect for launching a small, lightweight rocket and can be used over and over again without breaking the bank. The Estes 1/2A3-4T is from the Estes Mini line of engines that have become so popular over the last decade. are. These engines have one of the lowest cost-per-flights of any rocket engine available anywhere.

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

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SKU: 001788 Categories: , , Tag:

This bulk pack is bought nearly as often by hobbyists as it is by educators due to the value of the Estes Mini engines. These engines are perfect for a day filled with flying! Use this bulk pack to easily compare design changes on those small model rockets.

This bulk pack includes everything you need to launch and recover a model rocket 24 times!

Included in this bulk pack:

  • 24 1/2A3-4T engines
  • 30 Estes starters
  • 24 Starter plugs
  • 75 Squares of recovery wadding

1.75 in. (4.4 cm)


13 mm

Estimated Weight

.23 oz. (6.5 g)


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