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Rayovac Rifle

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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Rayovac Rifle

Unread postAuthor: STHORNE » Wed May 28, 2008 8:00 pm

This is just a little "piece o' sh*t" I made tonight from some spare fittings I had lying around, a modded sprinkler valve, and a 1/2" ID steel barrel

Image
Rayovac is the brand I use cause the battery's' quality sucks lol

It shoots pretty well at 80 psi and shoots surprisingly well at 120 psi (considering its small chamber volume). Shooting straight up in the air, it has an average of 8/9 seconds hang time and broke a 2x8" pine board in half. Not bad for a scrap parts gun lol. I tried to catch the battery one time after I shot it up in the air and when it came back down, I under-estimated its landing and it hit my thumb...
Image
You can see the donut shaped bruise it left under the nail from the top of the battery. Hurts like a b!tch :x

I don't plan on a adding a stock or red dot sight or any of that, so don't suggest it lol. Just a scrap parts gun I made tonight cause I was bored. I will probably end up taking it back apart for one of my real projects....but until then, I can just fool around with this :wink:

So anyway, tell me what you think!
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Last edited by STHORNE on Thu May 29, 2008 7:33 pm, edited 2 times in total.
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Unread postAuthor: bigbob12345 » Wed May 28, 2008 8:30 pm

Cool little gun you got there
Not excactly clean but if it works, it works.
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Unread postAuthor: Maniac » Wed May 28, 2008 8:34 pm

Actually looks pretty good to me must be fun to mess around with.
Hey and are those copper air chambers rated higher than the pipe because they are called air chambers. Just wondering.
Looks kind of ray gunish to me. Any damage pics besides the thumb.

Edit:Ahh someone always beats me to the first post. :cry:
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Unread postAuthor: JDP12 » Wed May 28, 2008 9:08 pm

i like the look of it for some reason..... it just looks cool.
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Unread postAuthor: mike1010 » Wed May 28, 2008 10:59 pm

nice, i like the size of the cannon not too small but almost like a handgun. the copper air chambers are really nice looking as well.
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Unread postAuthor: mega_swordman » Wed May 28, 2008 11:41 pm

I spent a long time wondering what the picture of your thumb was supposed to be. Then I read the description. :D
Looks and sounds good for a scrap cannon. What are you planning in doing for your next project?
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Unread postAuthor: Dumb-kid » Thu May 29, 2008 4:00 am

very nice cannon from scraps

did you make that chamber from fittings or they sell it like that?
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Unread postAuthor: SpudFarm » Thu May 29, 2008 5:32 am

this is a gun i could have seen from a newbie and said "that gun is really good for your first, you are on the right track"

but when it is you i says that it is also a good gun but it is even better if it is made from spare parts.
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Unread postAuthor: n-strike » Thu May 29, 2008 5:42 pm

HEY STHORNE!!! Nice to see that you FINALLY built a pneumatic! It's pretty hott too...you need to build one out of PVC soon because PVC wins.
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Unread postAuthor: STHORNE » Thu May 29, 2008 6:03 pm

@Maniac
I will post some damage pics soon....just you wait lol.

@mike1010
I thought the same thing too lol except more along the lines of "sawed-off rifle" lol

@mega_swordman
I'm currently in the middle of like 3 projects and haven't even started the rest of them. Most likely, I will finish the "Best Advanced Combustion Ever" (from my sig) first. It will have a different name of course lol.

@Dumb-kid
I bought all the fittings seperate and put it together myself
They were all spare fittings though so its not like I had a design planned and bought all the parts according to them. It's just what I had and how it turned out.

@n-strike
lol, shhhh! :roll: working on it....

___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
Made some changes!

Added a quick connect/disconnect system to the copper chamber for easy storage. Also, it swivels in place and makes for a good "stock" (goes in your armpit but performance is the same). I will post pics shortly.
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Unread postAuthor: n-strike » Thu May 29, 2008 6:25 pm

Haha, I didn't know that you were making a PVC pneumatic...SHOW IT SOON!!! I can't wait...will it be over under, or inline? SAY OVER UNDER!!! IT WINS!!!
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Unread postAuthor: STHORNE » Thu May 29, 2008 6:31 pm

Here are the pics. ENJOY!!!!

@n-strike
Over Under most definately...who do you take me for? lol
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Attachments
rayovacrifle3.JPG
Me holding it with stock under arm.

God look at those pipes! No, not the ones on the gun...lol
rayovacrifle3.JPG (32 KiB) Viewed 2182 times
rayovacrifle.JPG
Assembled
rayovacrifle.JPG (32.99 KiB) Viewed 2182 times
rayovacrifle2.JPG
Disassembled
rayovacrifle2.JPG (25.99 KiB) Viewed 2182 times
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Unread postAuthor: Lentamentalisk » Thu May 29, 2008 6:35 pm

explain to me why PVC is any good at all for pneumatics?
Last I checked there were no PVC fittings for over 200psi, and you don't get into the fun range of pneumatics until at least 300. Pre-fridge compressor you may snub your nose at high pressures, but really there is nothing like shooting through a ridiculous amount of plywood in a single shot.
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Unread postAuthor: STHORNE » Thu May 29, 2008 6:43 pm

It's more fun when your expectations aren't as high..

So I think you need to lower yours and you will see why sprinkler valve guns are "fun".
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Unread postAuthor: Lentamentalisk » Thu May 29, 2008 6:47 pm

Oh, I made one, and had a bunch of fun, but they are a step down from something like this, even ignoring the pressure limit of sprinkler valves. Metal is just so much cleaner looking than PVC could ever hope to be. In addition, it can be completely taken apart and redesigned with out having to buy new fittings, as you sort of demonstrated by swinging the chamber around to be a stock rather than compacting it.
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