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1/2 qev rifle with stock!

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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1/2 qev rifle with stock!

Unread postAuthor: urgle the danish cow » Sun Sep 18, 2011 12:55 pm

this gun was built for accuracy before power but i am very satisfied with it so far. one major mistake i made was that i built the stock before the gun so there were some problems with that. the stock is made from a 2X10 of douglas fir. the stock was first based off of a single shot .22 i owned, i then decided it needed a pistol grip so i traced an l96 pistol grip and thumbhole. i later decided that it looked kind of whimpy and also the airtank would stick out the bottom so i added a much more beefy looking front grip and secured it with t-nuts. i attached it very well and it looks like one piece of wood. the stock was hollowed out by drilling large holes and then smoothing them out with a smaller drill bit. all of the cutting was done with a skill-saw. after carving out the stock i used wood chisels to make the thumbhole more comfortable. i then used a router to smooth the edges and used a belt sander to smooth the sides more too. it was then stained with an antique walnut finish and then a coat of poly.

the barrel is 1/2 inch copper which is working very well for me. i was originally going to make a .22 barrel for it with a nylon bolt but i dont think i will do that. with the 1/2 inch barrel it is still extremely accurate with no sights at 25m. i purchased a shock pump and have shot it at 250psi and it is very very strong and accurate. the trigger mechanism is probably its worst part for the pilot volume is too big but it is filled with a shreader soldered into place and is piloted by a blowgun

main ammo: wooden dowels with screws at tip. marbles. steel balls. steel or aluminim bullets

i hope you like it bc i really do and i hope to make more guns with stocks
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Attachments
IMG_0388.JPG
original stock plan before cut out
IMG_0393.JPG
cut out with beefier hand grip underneath
IMG_0396.JPG
thumbole
IMG_0394.JPG
hollowed out
IMG_0395.JPG
gun ready to be stained. thats not me holding it btw
IMG_0397.JPG
drying
IMG_0398.JPG
different angle and lighting
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holding up the rear with minimal contact
IMG_0402.JPG
the rifle
IMG_0403.JPG
m
IMG_0404.JPG
f
IMG_0405.JPG
looking down it
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one of the steel bullets. (favourite ammo)
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back. notice hollowed out back
IMG_0408.JPG
front. its hollow point bc whynot
IMG_0409.JPG
other good ammo. i didnt get a picture of all the other steel and aluminuim bullets
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Unread postAuthor: wyz2285 » Sun Sep 18, 2011 1:00 pm

really nice stock, in compare the gun need to be better(semi auto etc.) :roll:
but looks good very clean:)
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: Alster370 » Sun Sep 18, 2011 3:02 pm

Looks great, think it would look better without the beefy handgrip but then thats just my opinion. Nice job :D
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Unread postAuthor: saefroch » Sun Sep 18, 2011 8:23 pm

Me likey!

Only negative comment is that those projectiles you call bullets are probably tumbling like crazy, being that they're nearly symmetrical front/back.
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Unread postAuthor: danielrowell » Sun Sep 18, 2011 11:43 pm

Very nice gun. Congrats! I wish I had a workshop and tools like yours to work with. As opposed to the other posts, I like the beefy stock, especially since you could loop the air tank into the new hand grip to give it more air volume if you wanted to.

Are you planning on putting sites on it or will it be a point-shoot kind of gun?
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Unread postAuthor: jackssmirkingrevenge » Mon Sep 19, 2011 12:07 am

Nicely put together, just needs an integral suppressor to cover up that skinny barrel ;)
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Unread postAuthor: urgle the danish cow » Mon Sep 19, 2011 3:19 pm

saefroch wrote:Me likey!

Only negative comment is that those projectiles you call bullets are probably tumbling like crazy, being that they're nearly symmetrical front/back.


the back is hollowed out so they are front heavy and fly striaght

danielrowell wrote:Very nice gun. Congrats! I wish I had a workshop and tools like yours to work with. As opposed to the other posts, I like the beefy stock, especially since you could loop the air tank into the new hand grip to give it more air volume if you wanted to.

Are you planning on putting sites on it or will it be a point-shoot kind of gun?


i was planning to but it looked far too ugly. with no sights i can hit a 3X3 target at 25m so i think im good :D

Edited by jrrdw, double post.
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Unread postAuthor: mark.f » Mon Sep 19, 2011 8:04 pm

So where's the other half? :D

Looks very nice, especially being carved from regular framing lumber!
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Unread postAuthor: danielrowell » Mon Sep 19, 2011 11:49 pm

i was planning to but it looked far too ugly.


:idea: I just had an idea for mounts that might actually look and perform well. Check this out:

Image

You can buy it and see more images of it here:
http://www.pyramydair.com/s/a/Air_Venturi_Intermount_Fits_Benjamin_Sheridan_Multi_Pump_Rifles/2015

You may have to do a bit of machining and add longer screws to get these to work (it says that they fit barrels from .540" to .560"), but IMO it would be worth it.
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Last edited by danielrowell on Tue Sep 20, 2011 12:16 am, edited 1 time in total.
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Unread postAuthor: jackssmirkingrevenge » Tue Sep 20, 2011 12:02 am

danielrowell wrote:You may have to use spacers for this to work, but it would be worth it if you could attach a scope of some sort. There are a bunch of intermounts out there, one of which is sure to fit well.


Easier to buy mounts made to put flashlights or lasers on scopes like these, they should clamp on to the barrel nicely.

Image
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Unread postAuthor: Technician1002 » Tue Sep 20, 2011 12:05 am

It looks great. I didn't know you live in Cedar Rapids, Iowa. Be careful of what unintended info you may give out with your photos. :D
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Unread postAuthor: danielrowell » Tue Sep 20, 2011 12:21 am

Easier to buy mounts made to put flashlights or lasers on scopes like these, they should clamp on to the barrel nicely.


Out-researched again... :(
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Unread postAuthor: jackssmirkingrevenge » Tue Sep 20, 2011 12:26 am

danielrowell wrote:Out-researched again... :(


Not my original idea ;)

Be careful of what unintended info you may give out with your photos.


For all you know, he actually lives in Yemen, but has placed a US newspaper on the desk to throw off investigators :roll:
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Unread postAuthor: Technician1002 » Tue Sep 20, 2011 2:05 am

The info leak that catches many by surprise is the EXIF geotaging data in photos pasted on Facebook, etc. Many Cell Phones include GPS data in the photo data. A correlation between My truck for sale and we are going to the Superbowl game has resulted in several home burglaries when they knew the location and when you won't be home. For this reason, I don't post cell phone photos. A Non GPS camera is used.

How do you like your Canon FS200? It takes great photos.
http://www.nytimes.com/2010/08/12/technology/personaltech/12basics.html?pagewanted=all
Oh.. Sorry for the thread hijack.

Do you have photos of damage with the steel bullets?
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Unread postAuthor: r00kie » Tue Sep 20, 2011 6:40 am

I really like this, the stock looks great and I like the thumb hole. :D

It'd be good to see a damage video or something, personally I would have put some kind of sight on it but that's just my opinion, it's your gun so do things the way you want to. 8)

In regards to the image metadata, there are a few programs you can use to strip that information from them, I believe there's even an addon for Firefox that will do it.

It's generally not that big of a deal that people know what camera you use or average geotagging, I've found that it's always better to err on the side of anonymity on the internet but I'm the security freak type. ;)
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