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Ghostbuster Style Water Gun

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Ghostbuster Style Water Gun

Unread postAuthor: TheTrooper » Sat Jun 14, 2008 8:23 pm

Heres my simple but powerful water gun!

Image
Here it is in a backpack, perfect for concealing it.

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The entire water gun.

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This is where the water is let through to a tiny hole in the very end.

Usually operates between 60-110 psi and supplies enough water for about 2-3 minutes of continuous spray.

I built most of this out of left overs from a previous sprinkler installation in my front yard so it was very cheap to make.

Specs:
2-liter soda bottle (will probably upgrade to 3-liter)
Operating Pressure: 60-110 psi
Built from 1/2 hose and 1/2 PVC parts
Ball valve operated
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Unread postAuthor: VH_man » Sat Jun 14, 2008 8:27 pm

thats pretty nice......

now all you need is to make the thing fit in your pocket and have a hose running up a sweatshirt or something.......

haha just kidding.

i like it though. reminds me of what i used to make when i was like 8 when i wanted a new supersoaker.
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Unread postAuthor: Stifler69 » Sat Jun 14, 2008 8:29 pm

HAHAHA that is sooo awesome,

2 questions ?
... how far have u been able to "shot" the water out ??
and after all the water is used but is it hard to fill it up again, like with it leaking ???

looks sooo cool again
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Unread postAuthor: STHORNE » Sat Jun 14, 2008 8:30 pm

very nice. but it would look cool with a custom handle.

over all, nice work!
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Unread postAuthor: TheTrooper » Sat Jun 14, 2008 8:31 pm

i like it though. reminds me of what i used to make when i was like 8 when i wanted a new supersoaker.


Thanks a lot...

Lol just kidding but it can put holes in dirt at 60 psi ( have not tested higher because i glued it that morning)

But Stifler69, i can probably shoot it 20-30 feet max at 60 psi, and i do have trouble filling it back up but not because it leaks but that water can only go so fast into a 1/2 pipe.
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Unread postAuthor: MrCrowley » Sat Jun 14, 2008 9:01 pm

Pretty nifty, you should have an external way to fill the bottle up with water while it's in your bag and have the schrader poke through the bag somewhere as well.
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Unread postAuthor: TheTrooper » Sat Jun 14, 2008 9:05 pm

I wish i could have the shrader poking through the bag but i would have to cut a hole :( and i do not want to do that. Also, How do you think i should fill it up externally? Like drill a hole in the top of bottle or something?
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Unread postAuthor: MrCrowley » Sat Jun 14, 2008 9:11 pm

Yeah you could do, but it would have to be in similar fashion to a pop in schrader to stop leaks.
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Unread postAuthor: TheTrooper » Sat Jun 14, 2008 9:12 pm

well maby a big brass fitting with a cap

Edit: nevermind it would still be to small
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Unread postAuthor: VH_man » Sat Jun 14, 2008 9:14 pm

why not just use a ball valve????
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Unread postAuthor: MrCrowley » Sat Jun 14, 2008 9:16 pm

I meant the seal with the bottom of the bottle, you'll need something sturdy and air tight. A ball valve probably could get ripped off too easily. That's why a larger version of a pop in schrader, without the schrader would work well because it's flexible.
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Unread postAuthor: TheTrooper » Sat Jun 14, 2008 9:16 pm

Well i guess where the T is i could have replaced it with a Cross piece (the ones with 4 ends) and put ball valve like VH_man said in it
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Unread postAuthor: MrCrowley » Sat Jun 14, 2008 9:18 pm

You would have to turn the bag upside down to fill it up but yeah it could work.
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Unread postAuthor: THUNDERLORD » Sat Jun 14, 2008 9:40 pm

Nice, clean design. I've been following all the threads about "soakers".
How did you attach the soda bottle?
I Can't see the fitting so well in the pic.
Thanks 8)
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Unread postAuthor: TheTrooper » Sat Jun 14, 2008 9:43 pm

The attachment is can be found on bottom half of this page: http://www.flexpvc.com/cart/agora.cgi?c ... ose-Female

copy all this, i don't know why its linking like this

Edit: link isn't working, the PVC part is used to attach garden hoses to PVC, Its a 3/4 FGT x 1/2 inch spigot
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