StratoFins will guide your rocket to lofty heights with straight flights instead of tumbling through the air. They are made of durable plastic and screw-on to a 2 liter soda bottle or smaller as well as FTC rockets.
- Compatible with 95% of all available launchers either homemade or commercial.
- Works with various styles: cable ties, rubber stopper, expanding tube, nozzle, or O-ring.
- No tools or glue required for assembly, simply screw-on to a 2 liter soda bottle or smaller.
- StratoFins kit includes 1 attachment ring and 3 fins.
These fins are compatible with 95% of all available launchers either homemade or commercially available in the marketplace including those employing a rubber stopper (4M), an expanding tube (AntiGravity), nozzle (Quest), O-ring (Aquapod), or cable ties because it replicates the threaded portion of the bottle beyond the fins. A water rocket with StratoFins attached can be launched with or without a parachute attached since it doesn't nose dive, but instead tumbles gently back to the ground provided the nose cone is not permanently attached. Great item for people of all ages for fun, science projects, school classes, parties, etc.