The Javelin

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Willdebeers
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This is a quick, side project to my (undisclosed) main project. It utilises the extremely powerful sprinkler valve, mine was a irritrol 1" one. I expoxied in a blowgun, and was staggered by the performance. It works much better without the spring, and is noticably louder.



Features an ACOG sight, from an old bb gun (Cybergun Famas)

Breach loading

Rifled Barrel (OMG!)

.75" Barrel , 2" Chamber

and a handle over the blowgun (1.5" DWV)

Everything is 8 Bar pressure rated.


PICS!

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P.S, Im from the UK, so sprinkler valves are pretty rare.
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Major Collins
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oooooooooo looks neato :) is your a cog tapped down? (looks like it ) lol
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qwerty
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Nice one Will, any damage pics on the way?
I visit occasionally to make unrelated posts.
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Willdebeers
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Yeah it's taped down :) I need to get some hose clamps and so the tape is only temporary. Damage pics hopefully tomorrow or something.
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Biopyro
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What do you shoot to take advantage of the rifling? Does it make a noticeable difference?
Where did you get the sprinkler valve?
Last edited by Biopyro on Tue Dec 01, 2009 5:30 am, edited 1 time in total.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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Willdebeers
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I shoot potatoes, and they work very well. The accuracy is improved greatly, especally over long distances. I got the sprinkler valve off amazon.
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Biopyro
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Whereabouts on Amazon, I couldn't find any?
Definitely try and get some distance videos? :D
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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jmadden91
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@Biyopyro: Here's one

Cool cannon Will
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Ragnarok
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jmadden91 wrote:@Biopyro: Here's one
UK Amazon please.
Does that thing kinda look like a big cat to you?
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Willdebeers
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Seems like amazon have stopped producing it...oh well.


This is the one I gotz: http://www.sprinkler.com/buy/item/irrit ... alves/2765
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Biopyro
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Ah wow sold by Amazon itself. Sprinklers are good beginner's valves as a step up from ball valves, and, it's a shame we don't really get them over here. I guess it's just not really sunny enough to ever need automatic lawn irrigation!

How do you cope with having the grip off centre like that?

Sweet gun though, does the scope have much function or is it more of a show-piece?
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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Willdebeers
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The scope is very handy. The grip is fine, infact it is more confortable for me there.
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