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A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel (the engine of the rocket) is constructed from thin plastic or other non metallic materials (usually a used plastic soft drink bottle) weighing 1,500 grams or less. The water is forced out by compressed air. It is an example of Newton's third law of motion.


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Begining Launcher

Discussion about Compressors, hose, pipes, fittings, launchers, release mechanisms, and launch tubes.
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Benchthis
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Joined: Thu Jun 19, 2014 8:16 pm

Begining Launcher

Post by Benchthis » Thu Jun 19, 2014 8:22 pm

Hello All,

Using my summer days (mostly weekends) to spent time with my 8 year old grandson since he enjoys science. When my kids were younger, we had my two sons attend a science camp for a week where they built and launch water bottle rockets at the park. I recall it being very fun at the time and wanted my grandson to have the experience as well. The more I read your website, the more interested I became and wanted to give it a go as well. Any suggetions on building a do it yourself launcher that a Grandfather and son could build together!

Thanks in advance!

~Benchthis



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mazuzuri
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Joined: Mon Jun 16, 2014 10:12 am

Re: Begining Launcher

Post by mazuzuri » Thu Jun 19, 2014 9:19 pm

Hey nice to hear you are planning some quality time with your grandson.
Although i am a new user her as well and rather new to building water rockets myself, i have found U.S water rockets website is a great place to go.
It is from their site that i am using tutorials they have made, most of it is simple fairly cheap and easy to make, on top of that they have some great step by step tutorials for all the basics needed.
Just go over to the left hand side were the menu is and you will se a button for construction & tutorials.

http://www.uswaterrockets.com/index.htm

Hope this helps, and i hope you have a lot of fun.

Mazuzuri



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Jamie5335
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Joined: Sun Jun 02, 2013 1:15 pm

Re: Begining Launcher

Post by Jamie5335 » Fri Jun 20, 2014 9:07 am

Hello Benchthis,

When it comes to constructing a launcher there are loads of different types. There is the Cable tie release which as Mazzuri said is on USWater Rockets Website.

I use the Gardena launcher which uses Garden Hose adaptors as nozzles on rockets to give a cool sustained burn up to apogee (9mm nozzle):
DSC09018 C.jpg
What is great about this type of launcher is that you can also make an adaptor to launch with 15mm nozzles as well meaning you get the higher altitudes like you get with the Cable Tie Launcher:
New Launcher.jpg
There are various tutorials around the web just type 'Gardena Launcher' into Google and browse the surrounding web page if this specific type of launcher takes your fancy.
DSC01148 c.jpg
Jamie B
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U.S. Water Rockets1
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Joined: Sat Feb 03, 2007 3:24 pm

Re: Begining Launcher

Post by U.S. Water Rockets1 » Sat Jun 21, 2014 10:21 pm

mazuzuri wrote:Hey nice to hear you are planning some quality time with your grandson.
Although i am a new user her as well and rather new to building water rockets myself, i have found U.S water rockets website is a great place to go.
It is from their site that i am using tutorials they have made, most of it is simple fairly cheap and easy to make, on top of that they have some great step by step tutorials for all the basics needed.
Just go over to the left hand side were the menu is and you will se a button for construction & tutorials.

http://www.uswaterrockets.com/index.htm

Hope this helps, and i hope you have a lot of fun.

Mazuzuri
Thank you for all of the kind words about our website and our tutorials! It is great to know that we were helpful in your build!


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Little-Acorn
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Joined: Tue May 27, 2014 6:45 pm

Re: Begining Launcher

Post by Little-Acorn » Sun Jun 22, 2014 11:12 pm

Benchthis wrote:Hello All,

Using my summer days (mostly weekends) to spent time with my 8 year old grandson since he enjoys science. When my kids were younger, we had my two sons attend a science camp for a week where they built and launch water bottle rockets at the park. I recall it being very fun at the time and wanted my grandson to have the experience as well. The more I read your website, the more interested I became and wanted to give it a go as well. Any suggetions on building a do it yourself launcher that a Grandfather and son could build together!

Thanks in advance!

~Benchthis
Hi Benchthis,

I put one together for our Cub Scout pack, and it's been working pretty well. I wrote about it in this forum, look under "Heavy-duty wood-frame rocket launcher".

I included a parts list and the how-to-build-it instructions. It's mostly Home Depot material, with a few parts from the local hobby shop and one from NAPA auto parts.

The parts list includes inventory (SKU) numbers for Home Depot and NAPA. Just walk in with the parts list, show it to the clerk, and he'll show you where each one is.

Good luck, whichever one you decide to build! :D



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Blenderite
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Joined: Mon Apr 09, 2012 3:49 pm

Re: Begining Launcher

Post by Blenderite » Tue Jul 22, 2014 6:00 am

Jamie5335 wrote:Hello Benchthis,

When it comes to constructing a launcher there are loads of different types. There is the Cable tie release which as Mazzuri said is on USWater Rockets Website.

I use the Gardena launcher which uses Garden Hose adaptors as nozzles on rockets to give a cool sustained burn up to apogee (9mm nozzle):
DSC09018 C.jpg
What is great about this type of launcher is that you can also make an adaptor to launch with 15mm nozzles as well meaning you get the higher altitudes like you get with the Cable Tie Launcher:
New Launcher.jpg
There are various tutorials around the web just type 'Gardena Launcher' into Google and browse the surrounding web page if this specific type of launcher takes your fancy.
DSC01148 c.jpg
Jamie B
Maybe it's just because I didn't use the Gardena brand, but I had lots of problems with leaks with that style of launch pad. I would be interested in hearing if people that used the store brand "Gardena" connectors had similar issues or not.

I have had much better success with a simple Clarks Cable tie system. Just make sure you don't cut the groove for the o-ring too deep! I did that a few times. DOH:


-Blenderite

Check out my YouTube channel: https://www.youtube.com/c/Blenderite

"Get it right, then go for GREATNESS!"

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ptx
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Joined: Wed Feb 27, 2013 6:00 pm

Re: Begining Launcher

Post by ptx » Mon Aug 11, 2014 1:43 pm

I built my launcher with the help of the people from this forum.
Just search for "Portable Launcher Project" at "Water Rocket Compressors and Launchers".
Hope it is useful.


ptx

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