Estes B6-4 Engine Bulk Pack #1783

Estes B6-4 Engine Bulk Pack #1783 is an Estes model rocket engine for model rocketry, launch-day use, and hobby programs.

The Estes B6-4 Engine Bulk Pack is a trusted choice for rocketeers who want dependable power and altitude in their launches. Known as a medium impulse engine, the B6-4 strikes the perfect balance of thrust and delay, making it a versatile option for rockets of many sizes. If you’re looking for engines that can handle larger or heavier rockets while still delivering impressive flights, this bulk pack is a great fit. Beyond their power, B6-4 engines are known for their consistency. They provide smooth launches, reliable deployments, and repeatable performance that keeps each launch day running smoothly. This makes them ideal not just for casual rocketeers, but also for groups or educators who need engines that perform consistently across multiple launches. With enough supplies to launch 24 rockets, Estes bulk packs are convenient and cost-effective. The included starters, plugs, and recove

Product details

• Manufacturer part number: 1783
• Heartland item number: EST1783

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