Estes 1/2A3-4T Engines #10035

Estes 1/2A3-4T Engines #10035 is an Estes model rocket engine for powered model-rocket flight and launch-day use.

The Estes 1/2A3-4T engine is a dependable choice for launching lightweight model rockets. Designed as a mini engine with a 13 mm diameter, it delivers a total impulse of 1.25 N-sec and a peak thrust of 8.3 newtons. This quick-thrust, single-stage engine is ideal for smaller rockets that weigh up to 1.0 ounce at liftoff, giving them a powerful and reliable start to flight. With a time delay of 4 seconds before ejection, it allows for stable coasting and safe deployment of recovery systems. Built with precision for modelers who value consistency, the 1/2A3-4T features a compact size of just 1.8 inches in length and weighs only 0.23 ounces. Despite its small stature, it packs a sharp burst of thrust lasting 0.3 seconds, perfect for short, fast flights in light rocket models. The engine’s performance is tuned to work with Estes’ mini engine-powered kits, providing dependable launches every t

Product details

• Manufacturer part number: 10035
• Heartland item number: EST10035

Use only as directed by Estes and follow all package safety, age, launch-site, and supervision requirements.