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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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Almost

Discussion about Compressors, hose, pipes, fittings, launchers, release mechanisms, and launch tubes.
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bugwubber
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Almost

Post by bugwubber » Fri Oct 03, 2014 8:34 pm

A pyro guy in the local rocket club had gotten his rocket stuck in a tree about 60ft up. Volunteered to help him get it down with this setup but alas the weather did not cooperate- it rained the day I was available.
tmp_4237-20141001_0010161385982773.jpg
Was all set to record onboard video and everything. Oh well. Part of it did come down with the rain but cardboard doesn't deal well with water.
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U.S. Water Rockets1
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Re: Almost

Post by U.S. Water Rockets1 » Sat Oct 04, 2014 11:07 pm

bugwubber wrote:A pyro guy in the local rocket club had gotten his rocket stuck in a tree about 60ft up. Volunteered to help him get it down with this setup but alas the weather did not cooperate- it rained the day I was available.
tmp_4237-20141001_0010161385982773.jpg
Was all set to record onboard video and everything. Oh well. Part of it did come down with the rain but cardboard doesn't deal well with water.
Nice looking split collar launcher you made there!


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Re: Almost

Post by Blenderite » Sun Oct 05, 2014 1:18 pm

You could have just cut the tree down. Would have been less stuff to get ready :D


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Re: Almost

Post by bugwubber » Sun Oct 05, 2014 2:44 pm

DogLover wrote:You could have just cut the tree down. Would have been less stuff to get ready :D
Except now I'm a little bit closer to having a sweet Ghostbusters Halloween costume.


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Re: Almost

Post by rumnass » Tue Oct 07, 2014 5:13 pm

that could easily be modified into a very cool tool
h20rescuegear_002.jpg
what range can you get with a small line attached , not to safe rockets but to save swimmers with a stranded boat
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Re: Almost

Post by bugwubber » Tue Oct 07, 2014 6:48 pm

rumnass wrote:that could easily be modified into a very cool tool
h20rescuegear_002.jpg
what range can you get with a small line attached , not to safe rockets but to save swimmers with a stranded boat
Oh you mean something like this?

http://www.resqmax.com/line-thrower/line-thrower.php

Although this is using 3000psi canisters. Can't imagine that puppy is cheap.

I'd imagine we could easily hit 100yds. I was launching at 60psi the last time I tried this.

Only forgot once to put the face shield down...


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Re: Almost

Post by U.S. Water Rockets1 » Sun Oct 12, 2014 7:03 pm

bugwubber wrote:
rumnass wrote:that could easily be modified into a very cool tool
h20rescuegear_002.jpg
what range can you get with a small line attached , not to safe rockets but to save swimmers with a stranded boat
Oh you mean something like this?

http://www.resqmax.com/line-thrower/line-thrower.php

Although this is using 3000psi canisters. Can't imagine that puppy is cheap.

I'd imagine we could easily hit 100yds. I was launching at 60psi the last time I tried this.

Only forgot once to put the face shield down...

We were able to send a rocket with fishing line attached to it about 100 feet over a tree. We used the fishing line to pull a rope over the tree and then used the rope to shake the tree and dislodge a stuck water rocket.


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Re: Almost

Post by bugwubber » Tue Oct 14, 2014 9:41 am

U.S. Water Rockets1 wrote:
bugwubber wrote:
rumnass wrote:that could easily be modified into a very cool tool
h20rescuegear_002.jpg
what range can you get with a small line attached , not to safe rockets but to save swimmers with a stranded boat
Oh you mean something like this?

http://www.resqmax.com/line-thrower/line-thrower.php

Although this is using 3000psi canisters. Can't imagine that puppy is cheap.

I'd imagine we could easily hit 100yds. I was launching at 60psi the last time I tried this.

Only forgot once to put the face shield down...

We were able to send a rocket with fishing line attached to it about 100 feet over a tree. We used the fishing line to pull a rope over the tree and then used the rope to shake the tree and dislodge a stuck water rocket.
I suppose a strong monofilament would be less of a drag on the rocket. Did you use a fishing reel to spool it off? I have some braided fishing line but it's black and didn't want to have to try and find that in the woods.


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