This water rocket can also be launched without or with a parachute attached since this configuration does not nose dive, but instead tumbles gently back to the ground provided the nose cone isn’t permanently attached. With all fins in place screw the attachment ring onto a soda bottle until snug. Assemble StratoFins by sliding every fin down a separate slot on the attachment ring beginning from the top. The StratoFins kit includes 1 attachment ring and 3 fins along side an instruction sheet that provides information for creating a nose cone and several launching tips. ![]() StratoFins requires no tools or glue for assembly. These fins are compatible with 95% of all to be had launchers either homemade or commercially to be had on the market including those employing a rubber stopper (4M), an expanding tube (AntiGravity), nozzle (Quest), O-ring (Aquapod), or cable ties (H2O Thruster) because it replicates the threaded portion of the bottle beyond the fins. StratoFins are made of durable plastic and screw-on to a 2 liter soda bottle or smaller. StratoFins will guide your rocket to lofty heights with straight flights instead of tumbling through the air.
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