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Lordy lordy, Schedule 40

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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Lordy lordy, Schedule 40

Unread postAuthor: Yamroll » Sun Apr 17, 2011 10:20 pm

So, this is my first spud gun. Mentioned it briefly in the pneumatic discussion forum, the paint is more or less done though, so, here it is.

Still needs some tweaking with the looks, but, functions great.

Also, the name, I just came up with that on the fly. Pay no mind. :?


Pretty standard sprinkler valve pneumatic. 36" x 1.5" tank, 48" x 1" barrel. Actuated by a toggle valve.

All xirtec140 sch 40 PVC.

Wood parts are rock maple with a bit of stain and lacquer.
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Unread postAuthor: mark.f » Sun Apr 17, 2011 10:32 pm

Holy- :)

Nice! That paint looks good and blends well with the steel hardware used for the barrel brace (hose clamp) and attaching the pistol grip.

Nice pilot valve, too. Is that a three-way DCV?

Only thing I can possibly think of as far as suggestions is that you probably should have cut the connecting piece of pipe between those elbows shorter so that they butted up together flush. Not a major concern, though.

Nice job again, hope to see more down the road.
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Unread postAuthor: kotabuuki » Sun Apr 17, 2011 10:40 pm

I really like it!! the paint and the pistol grip complement each other in contrast. The trigger is nice too, good job.

This is being petty, but what if you added a foregrip out of the same wood as the pistol grip?

What is your ammo going to be?

Good job!!
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Unread postAuthor: Yamroll » Sun Apr 17, 2011 10:42 pm

Thanks. :D


I feel the same way about the piece between the elbows, but... c'est la vie.


The 3 way valve has the sprinkler honking a little, now that I mounted it in the handle. It wasn't before I assembled it all.

The out port on it flows down through the bottom of the handle, I think I may need to split the flow into channels, not just the one.


Anyway, I'm building a bunch of 1" wood dowel slugs (kind of Fosterish...)

Maybe some damage pics/vids the next day or two?
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Unread postAuthor: Yamroll » Sun Apr 17, 2011 10:45 pm

Also, found a dude selling 27mm glow in the dark rubber balls on ebay... by the box of 546.

That might be fun eh?
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Unread postAuthor: kotabuuki » Sun Apr 17, 2011 10:47 pm

you could also use a screw and bolt with washers to make some serious slugs :).
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Unread postAuthor: Gaderelguitarist » Sun Apr 17, 2011 10:59 pm

Nothing beats a good old fashioned wooden grip. And a uniform routed round-over to boot! I'm pleased.

As mark said, you probably could have built more for compactness by shortening that joining pipe, but it's not a big deal considering this is your first build.

The paint does look good, and I trust that it is intended for use on plastics. I'm more a fan of flat black next to wood grain.
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so many muchness
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Unread postAuthor: Yamroll » Sun Apr 17, 2011 11:01 pm

Yeah, it's a multipurpose/surface paint.


Initially I was going to go for a matte black or a dark metallic bronze look.

The reason I opted for the brighter look was I didn't want the sun beating down on it to overheat the plastic.

Yeah, I know, it's pretty anal retentive, but, I'm still happy. :lol:
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 18, 2011 2:12 am

Very nicely put together, you've managed to make a "standard" over/under sprinkler valve cannon look great :) videos!
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Unread postAuthor: Doctore » Mon Apr 18, 2011 6:23 am

Awesome

How much psi do you usually put in?
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Unread postAuthor: Yamroll » Mon Apr 18, 2011 11:20 am

100 PSI, generally.

I'm working on a design for uniform, stabilized projectiles (and a method to produce them en masse). Nothing fancy, but more pop than a chunk of potato, more penetration that a straight dowel slug, and higher FPS than bolts/washers.

We'll see how that turns out.
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Unread postAuthor: Lockednloaded » Mon Apr 18, 2011 1:04 pm

Since your barrel is threaded you could replace it with a 3/4" one and use Co2 capsule slugs. The power will blow your mind!
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I love lamp
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Unread postAuthor: Labtecpower » Mon Apr 18, 2011 1:30 pm

.....or use saboted CO2 caps. The power will make you go Image
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"ñøw mÿ šįg šüçkś!"
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Unread postAuthor: jhalek90 » Tue Apr 19, 2011 9:00 am

Yamroll wrote:Also, found a dude selling 27mm glow in the dark rubber balls on ebay... by the box of 546.

That might be fun eh?


thats what i use. they work great.

Just be warned.. every once in a while you will receive 20mm balls labeled as 27mm. its annoying.
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jackssmirkingrevenge wrote:I wonder... if you put flammable vapours inside a lady... could you get her to diesel?

POLAND_SPUD wrote:Anything is possible with the proper 3-way valve.
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Unread postAuthor: warhead052 » Tue Apr 19, 2011 10:38 am

I like that name, dont change it! It kinda fits... But if you can, try upgrading it to c02 or something for more power. Of course I know nothing about c02 but yeah... Nice job on it!
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