Pratt Hobbies, Inc.
Rocketry Catalog
Model Rocket Kits for Classes and Groups
Launch Systems and Accessories

For special
projects, we
offer:

Home Hybrid Rocket Motors HyperTEK Hybrid Rocket Motor Systems

HyperTEK J FX Fuel Grain

The 54mm HyperTEK J fuel grain is used with all HyperTEK I, J and K motor systems. FX grains produce slightly more thrust, and much more flame and smoke.
Email Friend	Price: $44.00	OutofStock
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Pratt Hobbies

Herndon, VA 20171