Estes 1606 B6-4 Model Rocket Engine Pack – 3 Engines with Starters & Plugs Features a sturdy aluminum backing

Features a sturdy aluminum backing

The kit provides an inexpensive way to get involved in the quadcopter arena

Operates with AC adapter (included) or batteries (not included)

number of samples: 1 sample/20s

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

Estes 1606 B6-4 Model Rocket Engine Pack – 3 Engines with Starters & Plugs Features a sturdy aluminum backingPLEASE 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