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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.

My Most Recent Project

Discussions about rockets, construction materials, adhesives, nozzles, nosecones and fin design.
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Blenderite
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My Most Recent Project

Post by Blenderite » Mon Sep 09, 2013 3:51 pm

I have been kinda quiet for a while. I have been working on a special project, one I have been wanting to do for a long time. While it is not quite finished, I think I can share a photo and some information about it.
IMG_0789[1].JPG
For those of you from Pluto, or some country outside of the US that has never been interested in the US space program, that is a 1:48th scale model of a Space Shuttle, Endeavor to be specific.

It was made out of 3 sheets of Dollar Tree Foam Board, hot glue, Elmer's glue, and paper. I am still working on putting in the electronics. It will have a 2 1.5 liter bottles inside, spliced of course. The graphics I got from here: http://axmpaperspacescalemodels.com

I have done a little glide test and it works great. Got a 25' glide from a little toss. I am very happy with that.

I have to order a new receiver and then I can finish with all the electronics.

At some point, I hope to eventually have a mock fuel tank and functional boosters.
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"Get it right, then go for GREATNESS!"

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Spaceman Spiff
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Re: My Most Recent Project

Post by Spaceman Spiff » Mon Sep 09, 2013 7:08 pm

DogLover wrote:I have been kinda quiet for a while. I have been working on a special project, one I have been wanting to do for a long time. While it is not quite finished, I think I can share a photo and some information about it.
IMG_0789[1].JPG
For those of you from Pluto, or some country outside of the US that has never been interested in the US space program, that is a 1:48th scale model of a Space Shuttle, Endeavor to be specific.

It was made out of 3 sheets of Dollar Tree Foam Board, hot glue, Elmer's glue, and paper. I am still working on putting in the electronics. It will have a 2 1.5 liter bottles inside, spliced of course. The graphics I got from here: http://axmpaperspacescalemodels.com

I have done a little glide test and it works great. Got a 25' glide from a little toss. I am very happy with that.

I have to order a new receiver and then I can finish with all the electronics.

At some point, I hope to eventually have a mock fuel tank and functional boosters.


WOW! That's really nice looking. I can't wait to hear how it goes.

I am curious how you developed the shape and how you covered the skin. It looks like you made cross sections and then paper covered it, but that's just a guess. I hope you will do a build log of the project.


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"What goes up, must come down"

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Blenderite
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Re: My Most Recent Project

Post by Blenderite » Tue Sep 10, 2013 10:05 am

The link I supplied in the first post was to a site that has free paper models available to be printed and assembled. I simply printed out the parts at regular size. Cut them out and then made copies at 300%. Obviously I had to cut some so that they would fit a 8.5" x 11" piece of paper. Then I cut those out and traced them onto the foam board. I then cut out the foam and assembled it, making a few slight modifications. My brother then gave me the idea of gluing the patterns to the foam to produce a realistic look.

I just ordered the new receiver last night from Hobby King. Hopefully it will be here by the end of the month. Right now I am working on the control surfaces.

I also need to figure out a design for a good internal grip launcher, as not enough if the bottle is sticking out to use a Clark's Cable Tie system. Any ideas are appreciated. Drawings and even better.

I will update as things progress.


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"Get it right, then go for GREATNESS!"

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bugwubber
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Re: My Most Recent Project

Post by bugwubber » Tue Sep 10, 2013 3:40 pm

I've been trying out a new product- Rustoleum Never Wet. Stuff is freaky with the way it repels water. Might make a good seal coat for your paper model which looks excellent by the way!


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Nick B
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Re: My Most Recent Project

Post by Nick B » Tue Sep 10, 2013 7:37 pm

that foamboard is great for making slope soaring planes.


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U.S. Water Rockets1
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Re: My Most Recent Project

Post by U.S. Water Rockets1 » Sat Sep 14, 2013 10:54 pm

bugwubber wrote:I've been trying out a new product- Rustoleum Never Wet. Stuff is freaky with the way it repels water. Might make a good seal coat for your paper model which looks excellent by the way!
We've been using it since before it arrived in stores. It's pretty amazing stuff. We've been updating our box fins design to use regular cardboard. It doesn't get wet even when it falls in the lake. You can pretty much get rid of all the heavy corriflute, if you use this stuff. It's eerie how well it repels water. We've also been using it to protect our electronics, since this has always been an issue for us because we land our rockets in the water. Most people don't have to waterproof their electronics and cameras, so this use of the stuff may not be of much interest to any other teams. It does work well for this but it does cause problems for electrical connectors like the SD card connector and USB ports. So you have to be very careful not to gum things up with it.
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ptx
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Re: My Most Recent Project

Post by ptx » Sun Sep 15, 2013 7:50 am

DogLover wrote:I have been kinda quiet for a while. I have been working on a special project, one I have been wanting to do for a long time. While it is not quite finished, I think I can share a photo and some information about it.

IMG_0789[1].JPG

For those of you from Pluto, or some country outside of the US that has never been interested in the US space program, that is a 1:48th scale model of a Space Shuttle, Endeavor to be specific.

It was made out of 3 sheets of Dollar Tree Foam Board, hot glue, Elmer's glue, and paper. I am still working on putting in the electronics. It will have a 2 1.5 liter bottles inside, spliced of course. The graphics I got from here: http://axmpaperspacescalemodels.com

I have done a little glide test and it works great. Got a 25' glide from a little toss. I am very happy with that.

I have to order a new receiver and then I can finish with all the electronics.

At some point, I hope to eventually have a mock fuel tank and functional boosters.
Hi DL,
from someone almost from Pluto this looks a great project. Very nice!
Will the flaps be moveable?


ptx

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Blenderite
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Re: My Most Recent Project

Post by Blenderite » Mon Sep 16, 2013 11:16 am

nunopt wrote:
Hi DL,
from someone almost from Pluto this looks a great project. Very nice!
Will the flaps be moveable?
It has elevons, which is a mix of ailerons and elevators. No flaps.


-Blenderite

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

"Get it right, then go for GREATNESS!"

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rstaff3
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Re: My Most Recent Project

Post by rstaff3 » Fri Jun 13, 2014 10:44 pm

Excellent project! This build was one of the motivators to build mine (however I had forgotten where I'd seen it.) A guy in one of my clubs has converted a Guillows Shuttle, like the one I'm using, for RC flight. I'm RC illiterate so I'll settle for a simple glider :)



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U.S. Water Rockets1
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Re: My Most Recent Project

Post by U.S. Water Rockets1 » Sat Jun 14, 2014 9:51 pm

I hope we see more of this project in the future. There are a lot of things going on in rocketry in general these days that could be applied to water rockets. There are so many people involved in this hobby that are eager to learn from these kinds of experiments. Most of the stuff online is older designs and could use some new innovative people to stir things up.


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