Single Soda Bottle Water Rocket Launcher


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Single Soda Bottle Rocket Launcher Plans

A must-have project for anyone wanting awesome and cheap backyard entertainment, science project, cub scouts, anyone looking for a new hobby or anyone that loves model rockets but wants an inexpensive alternative to the usual “fire-in-the-hole” engine rockets!

Soda Bottle Rocket Plans Launch Just Like the Angled Bottle Rocket Launcher



  • Design, build and launch rockets made out of 1 or 2-liter soda pop bottles hundreds of feet using water and air from a bike pump or compressor.
  • High-quality launcher plans made out of durable inexpensive PVC tubing
  • Unlike some launcher plans, this one has a launch tube that allows for a slower release of fuel (water/air) and allows for longer “thrust” time. It also gives your soda bottle rocket more stability during the initial take-off.
  • No additional expense since the fuel is water and air! Absolutely NO O-rings that break and need replacement.
  • Launcher supports air pressures as high as 100 psi. These Soda Rockets really fly high.
  • The unique trigger mechanism allows for high-pressure launches (tested @ 100 psi) without rockets prematurely leaving the launcher.
  • Great for fun, science projects, school classes, parties, etc. and will most likely draw a crowd of onlookers. Encourages creativity with rocket building out of household materials. The need to build bigger and better rockets is unavoidable for most people.
  • Encourages creativity with rocket building out of household materials. The need to build bigger and better rockets is unavoidable for most people.

This launcher is designed for homemade water rockets constructed from plastic soda pop bottles. The bottles are one of those rare miracles of serendipity: although designed for something else altogether, they are perfect for making water rockets. Designed to hold liquids at high pressures, they are very lightweight and have a conveniently located ring molded around the neck that’s handy for holding the bottle down while being pressurized. The only thing that could make them better is to have the fins and nose cone molded-in for you!

The rockets made from these bottles are very powerful. A standard 2-liter pop bottle 1/3 full of water, pumped to 80 psi and then released, will eject all its water in less than one-tenth of a second, and at that point (“burnout”) will only be about 2 meters off the ground. Amazingly, its velocity at burnout is around 76 meters per second. That’s over 170 miles per hour! This means the average acceleration during thrust is 111 gs! WOW!?Safety rule # 1: Never get in the way of one of these rockets…

A plain bottle is of course aerodynamically hopeless, and tumbles fluffily after burnout, rarely going higher than 60 or 70 feet. But if you add fins and nose weight, transforming the bottle into an aerodynamically stable rocket?then all that initial thrust can be transformed into truly amazing altitudes of over 300 feet. You really have to see it to believe it.

You will find that this is a fun activity for anyone to get involved in. Designing and building rockets made out of empty 2-liter bottles allow the creative side in anyone to come out (adults included!). The thrill of having your first “successful” flight keeps you coming back for more. Looking for a new hobby, then you gotta get one of these launchers!


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