Add an Expansion Chamber to an FTC Rocket Using the StratoCoupler

Screw an expansion chamber (1.0L, 1.5L, or 2.0L soda bottle) on top of an FTC rocket such as our StratoRocket to increase altitude. Our screw-on StratoCoupler with two O-rings makes it easy to create an airtight seal between the rocket fuselage and the expansion chamber (bottle). A weighted fall away nosecone made from a 2nd same size soda bottle is required. Do NOT exceed 120 PSI when employing an expansion chamber. The expansion chamber opens up a whole world of experimentation.
Referenced products available on our website: stratofins.com
StratoCoupler - stratofins.com/stratocoupler/
StratoLauncher IV (Standard, Deluxe, Ultimate) - stratofins.com/products/launc...
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[@Briaaanz]

Loving what you're doing!
Part of me misses the homegrown stuff, like a windup motor to deploy recovery, making your own connectors... but I realize water rocketry has grown past a lot of that. You make quality products and i appreciate it

[@StratoFins]

Thank you for your kind words. We keep trying to expand our water rocket product ecosystem by developing new products and techniques. The home-grown stuff is fun and our StratoLauncher IV still allows for all of that especially when it come so fin making and rocket design. Granted the Chute Release is superior to a Tommy Timer, which you might be referring to when it comes to chute deployment. Although the Chute Release is expensive, it pays for itself by safely and reliably returning what might be an expensive rocket that may contain several hundred dollars’ worth of gear like camera, altimeter, chute release, parachute, fins, nozzle, etc. Where the Chute Release really shines is on windy days and small fields when normally your rocket would drift too far while descending under parachute from a higher altitude and land in a tree or off the field and that expensive equipment could be lost. The Chute Release delays deployment to the 100 - 200 ft. range, which minimizes drift and it is easy to use.