The Estes A3-4T Engine Flight Pack is a must-have offering for any retailer or distributor catering to model rocket enthusiasts. Engineered for lightweight, mini-engine-powered rockets, the A3-4T delivers a total impulse of 2.50 N-sec with a short 0.6-second thrust duration—providing a quick boost and smooth coasting phase before ejection. Its 4-second delay supports stable deployments for rockets weighing up to 2.0 oz (57 g).

With a compact 13mm diameter and a length of just 1.8 inches, the A3-4T is built for small, precision flight. It delivers a max thrust of 6.8 newtons, making it a reliable choice for entry-level and advanced builders alike who are flying mini rockets. Whether launching from a backyard or at a club event, this engine provides consistent results and clean performance.

This flight pack includes everything your customers need for multiple launches—4 A3-4T engines, 4 starters, 4 starter plugs, and 12 sheets of recovery wadding. By bundling essentials in one convenient package, this product reduces friction at the register and encourages repeat purchases from satisfied fliers.

Offering the A3-4T Engine Flight Pack allows your inventory to appeal to a wide range of hobbyists looking for accessible, ready-to-launch mini engine options. It’s an ideal product for retailers seeking high-turn, low-footprint items that keep customers coming back for more flights.

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.