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2 Liter Bottle Water Rocket & Pressurization Plug: This system stores the pressurized water and air and, on Launch Pad Clamp release, allows the 2 Liter Bottle to generate thrust projecting the 2 Liter Bottle housing into the air.

This Bottle Water Rocket Launcher Design has 3 major system components: I would have said common sense, but common sense is definitely not common. Use good sense on how, where, and if to use this approach if you are unsure, do not use it. Do your own engineering work and analysis of the approach for your specific implementation to determine validity, safety, and assume accountability for the outcome of your engineering assessment assess and mitigate the risks specific to your scenario and skill level. In no event shall the Author of this “Instructable” be liable for any damages whatsoever (including, without limitation, lost profits, business interruption, lost information, damaged electronic equipment and circuits, damage to property) or be liable for any personal harm / pleasure / death whatsoever (including intentional or unintentional, without limitation, cuts, scratches, lacerations, punctures, bruises, inhalation, swallowing, or insertions) arising out of the use of or inability to use this “Instructable”, even if the Author of this “Instructable” has been advised of the possibility of such damages or personal risks. The Author of this “Instructable” does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within this “Instructable” post.

I am hoping, like I did with other designs I found, someone will see this design, identify refinement opportunities, and be inspired to improve on it.ĭisclaimer: This “Instructable” is provided “As Is” without any express or implied warranty of any kind including warranties of merchantability, noninfringement, or fitness for a particular purpose. Although staging / clamping and safety check would be done by an experience adult / young adult prior to pressurizing, it was important to me that each participant had the opportunity to be involved in the act of pressuring and releasing the Water Rocket.

The design needed to allow children 6-17 and adults of all ages to pressurize and launch the system from a safe distance (~20 feet).Not only did this mean it needed to be rugged enough to last, but it had to have a system that allowed for quick resets. Scaling to 100+ repeated launches in a day with the ability to turn around and do it again the next day. The design needed to survive rapid repeated use in a very short amount of time.

I had some very distinctive goals with this Water Rocket Launcher system that I personally felt the other designs did not fulfill. You will need to decide if this design provides you the characteristics that warrant the potential additional costs over alternative designs. Second, depending on where you buy your parts and what stuff you have on hand, this may not be the cheapest design either. This design actually took inspiration from several of the designs that NASA had posted. First, I know this is not the first 2 Liter Bottle Water Rocket launching system ever designed. This is my design for a 2 Liter Bottle Water Rocket and Launcher Pad.