How To Make “Screw-Lock” Sugar Rockets

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How To Make “Screw-Lock” Sugar Rockets that lock and load within seconds, and have a built in parachute ejection charge, so you can get your rockets back safely.

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Randomizer Rocket:
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Music by Scott & Brendo “Kitten Air” Instrumental

Project Inspired By: A previous project on making Sugar Rockets ( I wanted a way to lock and load them into a homemade rocket, so they’d eject a parachute in a way that was light weight for the rocket, but still safe.


This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Although sugar rockets are the slowest burning of all rocket fuels, this project should not be attempted without adult supervision, proper permits, adequate training, and at a location far away from people, property, and anything flammable. Misuse, or careless use, of rocket propellants may result in serious injury, wildfire, and in extreme cases, death. Ignition of an incendiary or explosive material may not be legal in your area. Check local laws and inquire with local rocketry clubs on how to safely make and launch sugar rockets. Have fun, but always think ahead, and remember that every project you try is at YOUR OWN RISK.

Project History & More Info:

I’m really excited to share my passion for building and launching rockets with completely home-made equipment. In my opinion, it’s the best way to learn about how rocketry really works.

In a previous project ( I made rocket motors using PVC, sugar, kitty litter, and stump remover.

They worked so well they made me want to design a rocket they could be used with, and my friend Ritchie Kinmont with was instrumental in making that project actually happen.

I made this tutorial to be a more comprehensive sugar motor tutorial, going over all the things you’d need to do to make a successful motor that will work with the “Randomizer” rocket, and addressing some of the issues and challenges I’ve faced in the past with failed attempts.

The ‘Screw-Lock” version features threaded PVC risers, that allow the motors to quickly be changed, for faster turn-around times, and they have built in ejection charges for popping out the parachute at apogee.

I played around with ejection charges in the “Redneck Rocketry” video (

I realize most people aren’t very excited by building rockets, but for those who are, I hope you feel the same sense of wonder and awe as I did in building this series.

Most rocket clubs won’t let you fly sugar motors, except on special experimental launch days. However, the “Randomizer” rocket can also be used with commercial “Estes” D12-3 and E9-6 black power motors. So if you go with those, there’s a good chance they’ll let you fly your rocket at any club launch.

The rocket can fly over 1,000 feet high, and depending on the winds, can stay in the air for around 5 minutes while it floats back to the ground, so it’s important to be super cautious where, and when, you launch to avoid doing any damage.

Rockets are not toys, and this video is mainly for educational and demonstrational purposes. If you’re going to attempt making a rocket yourself, I highly suggest you check local laws and inquire with local rocketry clubs on how to safely make and launch them.