Estes A8-3 Model Rocket Engines - 3 Pack

The Estes A8-3 is a standard 18mm single-stage engine with a 3-second ejection delay, well suited to lightweight rockets up to about 3 ounces. Total impulse 2.50 N-s.

Each pack includes 3 A8-3 engines, 4 starters, and 4 starter plugs.

Ships via USPS Ground Advantage under our USPS hazmat authorization. A physical street address is required for delivery - rocket engines cannot be shipped to a PO Box. Follow the Estes safety code and all local rules, and supervise young rocketeers.