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bolt action air gun

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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bolt action air gun

Unread postAuthor: woodz1234 » Thu Oct 25, 2012 9:53 am

hi guys i just wanted some thoughts on whether you guys like this design or if you see any down falls.
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air gun.png
where i will be able to enter ammo into the barrel when the bolt is in the forward position
air gun 2.png
picture of the action with a qev and a sodastream co2 bottle as the chamber the actual receiver that houses the bold is going to be machined out of high qaulity steel on my mill.

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Unread postAuthor: jackssmirkingrevenge » Thu Oct 25, 2012 10:00 am

The way you drew it, pulling the trigger on the blowgun will just empty the chamber through the blowgun - you need to reverse and and trigger connections on the QEV.

Do you want this single shot or multi-shot from a single fill?
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Unread postAuthor: woodz1234 » Thu Oct 25, 2012 10:26 am

yeah i just realised i put the qev in the wrong way and no just one pull one shot cycle bolt refill and shoot.
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Unread postAuthor: FighterAce » Thu Oct 25, 2012 11:15 am

If you open the breech with your left hand and insert the projectile in the barrel with your right hand, whats holding the gun? :D

You also want to limit the bolt travel. In your design, if you let go of the bolt in the unlocked position, the barrel will fall out.
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Unread postAuthor: dewey-1 » Thu Oct 25, 2012 11:23 am

Here is what jsr is referring to.

edit: to late I guess.
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Unread postAuthor: woodz1234 » Thu Oct 25, 2012 12:19 pm

the issue with the bolt is a drawing error it will actually be closed and to the loading question it will have a bipod attached and rested on a table or i y even try to make a magazine of some sort
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Unread postAuthor: archie370 » Thu Oct 25, 2012 3:18 pm

Good design buddy, it looks pretty complex do you think you can do it ?

It looks very similar to the one in H.M Buckley Air pneumatics have a look there and see what you can find just search on youtube and you can see people who has created airguns from that book :)

Just don't set your standards to high :) Good luck
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Unread postAuthor: woodz1234 » Thu Oct 25, 2012 4:51 pm

yeah im pretty confident i have made a airgun before but it just looks way to ghetto for my liking im pretty good and using machinery thanks to my dad allowing me to play with dangerous tools from a young age so i think i can get it done im gonna hope fully start the machining tomorrow so ill take lots of pics and keep you all upto date throughout my build.
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Unread postAuthor: archie370 » Thu Oct 25, 2012 6:12 pm

Alright it sounds like a plan :)
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Unread postAuthor: woodz1234 » Fri Oct 26, 2012 5:22 am

rite just got to my workshop to find that my brother has tidied my work shop and has thrown out my billet of steel and hidden my cutters for my mill fml so i have ordered some aluminum instead a lot easier to cut and should be able to update you all by thursday next week as that's my next day of from work :( i hate my life working is so unfair.
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Unread postAuthor: Gippeto » Fri Oct 26, 2012 1:37 pm

woodz1234 wrote:i hate my life working is so unfair.


Really? :? Hope I'm wrong, but that statement just REEKS of entitlement...which is horse crap. We are "entitled" only to that which we first earn.

Somebody had to work to provide you with that mill. See a connection there? :wink:

:)
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Unread postAuthor: velocity3x » Fri Oct 26, 2012 2:27 pm

woodz1234 wrote:i hate my life working is so unfair.


I'm quite sure there are a great many people in this world (blind, paralyzed, sick and dying) that would gladly trade places with you just so they could work once again. Stop sniveling.
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Unread postAuthor: woodz1234 » Fri Oct 26, 2012 4:33 pm

yeah i provided my mill ;-) and probably they would my brother is blind so i under stand watt u mean im sorry if i offended u
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Unread postAuthor: woodz1234 » Mon Oct 29, 2012 9:02 am

sweet both barrel and receiver block have arrived. the barrel is a 20mm od seamless stainless steel pipe with a 3mm wall thickness.
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20121029_134711.jpg
rite my billet of aliminium is here
20121029_135953.jpg
barrel

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Unread postAuthor: archie370 » Tue Oct 30, 2012 5:30 pm

That's pretty cool man ... How r u gonna bore out the block and how much did you pay for the stainless steel barrel and where did you get .... What's the calibre your aiming for or what size do you want :) ?
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