Estes 1606 B6-4 Model Rocket Engine Pack – 3 Engines with Starters & Plugs frequency steps: 1 Hz 10

frequency steps: 1 Hz 10 Hz 100 Hz 1 kHz and 10 kHz

Features a sturdy aluminum backing

Maximum Estimated Altitude: 1600 ft

Supports secure and simple pairing and the multipoint feature allows two phones to be connect

Estes 1606 B6-4 Model Rocket Engine Pack – 3 Engines with Starters & Plugs frequency steps: 1 Hz 10PLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes B6 4 engine pack includes 3 engines, 4 starters, and 4 starter plugs The B6 4 is a single stage engine that delivers high altitude flights Recommended for use with the Rascal & HiJinks, Hi Flier, AstroCam, Tandem X, or other compatible rocket kits This item will ship by