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If you are looking to make a cool Water Bottle Launcher that can launch 2 liter pop bottles with some good force have a look at this one at Science Toy Maker. Have a look here for full build instructions. "2-liter soda bottles turned water rockets are as shrieking good a time as a water park and a lot easier to build! They streak into the air faster than the eye can track while dousing everyone in the launch area with water. Occasionally, my middle school students host and teach classes of elementary school kids from across the street to make a take-home science project, and we always finish off with a couple of launches. Years later, when I teach those now-middle school kids, they never remember me, but invariably remember the water rockets!"
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October 18th, 2008
that. looks. awesome.
good job. the video is extremely well put together and very clear on all instructions.
October 18th, 2008
[...] hackedgadgets, DIY Page A+Featured DIYs, bottle rocket launcher, Consumer, Cool, Design, DoItYourself!, [...]
October 19th, 2008
Anyone have any ideas on how to modify this to launch 5 gallon jugs from a water cooler?
October 20th, 2008
Funny and technically interesting but what a waste of water…
October 20th, 2008
[...] [via] Read More LightCap Transforms Your Trendy Nalgene Bottle Into A FireflyHyperdog Ball Launcher: [...]
May 4th, 2009
umm yeah very nice info. very cool and well can u make a water bottle rocket go any higher not a soda bottle.Kay thanks.
July 22nd, 2009
Did this and it works well. I made two changes/improvements though.
1. Instead of a 2 inch 1 1/2″ pvc sleeve used to hold the bottle locking mech in place I used a 1 1/4″ coupler. No need to cut a little off of a long pvc piece.
2. Instead of melting and mushing the pvc to make a bulge I cut the top threaded piece off of a 2 liter bottle and slid it down to the line where you would otherwise melt and bulge. Then I added a rubber O ring gasket and carefully glued the cut off lid in place with epoxy.
October 15th, 2010
To launch a 5 gallon jug, you would probably need to increase the bulge with a coupler or multiple layers of melted plastic such that you had a graduated bump to create a seal on the larger opening of a 5 gallon jug’s mouth.
March 18th, 2011
Dear Group,
I enjoyed reading your website and reviewing your material about launching bottle rockets.
I would like to inform you of a new design for a bottle rocket launcher that features a patented internal spring loaded release mechanism. It firmly locks the bottle in place before pressurization and allows the user to release the bottle with a gentle pull of a nylon cord at an appropriate time. I personally feel it is superior to any release mechanism on the market. It is ready to use immediately.
You can learn more about this launcher by going to “ez-launch.com” on the internet and reviewing the various screen views. If I can be of any assistance to you, please let me know at blastoff@ez-launch.com.
Sincerely,
Dallas E. Murdoch DDS
blastoff@ez-launch.com
May 12th, 2011
[...] PVC Pipe Water Bottle Launcher Written by: Alan Parekh at 10:23 am. Filed under Cool Gadgets, DIY Hacks [...]
August 18th, 2011
doesn’t anybody use PVC pipe for plumbing anymore? LOL
August 30th, 2011
[...] PVC Pipe Water Bottle Launcher [...]