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aardman
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    pvc sniper air combuster rifle

    radiantraidercs-35
    radiantraidercs-35


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    Post  radiantraidercs-35 Mon Jul 12, 2010 9:12 am

    im makeing a new sniper made from verious PVC size piping useing a bike pump to fill 2 50mm by 100mm tanks but i still have to sort out the trigger and release mechanism i have already got idea's for the barrel and the stock. Any ideas on this feel free to post as im hopeing to have it done by friday. Thanks
    chinnerz
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    Post  chinnerz Mon Jul 12, 2010 9:23 am

    Combustion?? If you plan on using it out of your house i would not recommend it.
    nerffirefight24
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    Post  nerffirefight24 Mon Jul 12, 2010 9:24 am

    This sounds like a basic home made, good luck.
    The simplest form of a trigger would be a ball valve.
    I once tried to use a hose handle thingo, it was the first homemade that i tried making to it wasn't to good but i think if you use the right things its could turn out pretty awesome.
    -Adam-
    P.S Try not to use the word 'sniper' to much on these forums alot of people often get there flame on when someone uses a milsim sought of term.
    But anyway all the best and please post photos of your build and how you did it XD
    Biggles
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    Post  Biggles Mon Jul 12, 2010 9:26 am

    I'd just like to point out that these are illeagal in australia.

    Biggles
    radiantraidercs-35
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    Post  radiantraidercs-35 Mon Jul 12, 2010 9:35 am

    yea im not going overboard with this make to the point where i end up badly hurting someone lol its going to be at a regular PSI rate and only useing airsoft darts with it but when its done ill put a pic up
    littlebro05
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    Post  littlebro05 Mon Jul 12, 2010 9:40 am

    radiantraidercs-35 wrote:yea im not going overboard with this make to the point where i end up badly hurting someone lol its going to be at a regular PSI rate and only useing airsoft darts with it but when its done ill put a pic up

    1. You might want to fix up your capitals in sentences or else admins will rage.

    2. I reckon to 'regulate' the PSI Rate you should use like a hand pump (one that can go up to max of I dunno, whatever pressure you want). That way you know that you'll never go pass the limit since you won'tbe able to over pump it. I don't know LOL. Just saying. + would be more portable.
    chinnerz
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    Post  chinnerz Mon Jul 12, 2010 9:45 am

    By "combuster" do you mean to say that it is combustion based?? The title isn't very clear

    Regular Psi?? So atmospherics pressure a.k.a Zero?

    Any gun which uses compressed air is illegal in Aus. You may notice that many nerf guns also use compressed air... not sure whats up with that :\ not very consistent laws.

    I just saw that you are 22, you will be charged with possession of arms if the "PoPo" see it.


    Last edited by chinnerz on Mon Jul 12, 2010 9:48 am; edited 1 time in total
    littlebro05
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    Post  littlebro05 Mon Jul 12, 2010 9:47 am

    I think it may have something to do with it having a 'rubber' air bladder.
    chinnerz
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    Post  chinnerz Mon Jul 12, 2010 9:51 am

    Idk man, from what i saw, the only propulsion methods which are acceptable are things which use elastic energy aka bows and slingshots, or electrical like plasma or rail guns.

    Yes i do refer to plasma as the fourth state of matter which is used in the metal industry to cut metal, and not the technologies used on halo...

    But if you do build a PVC rifle, I'm your man when it comes to info. Are you planning on making a musket or are you going to try and make a bolt action system which takes darts from a clip?

    Is it going to be single shot or are you going to attempt 'multi shot'?


    Last edited by chinnerz on Mon Jul 12, 2010 10:17 am; edited 1 time in total (Reason for editing : add more stuff)
    radiantraidercs-35
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    Post  radiantraidercs-35 Mon Jul 12, 2010 10:46 am

    bolt action multi shot ideas for the gun will probebly wait a little while but ill be goin with the single fed airsoft darts for now. thanks for advise though ill keep u posted on the progress
    mavshot
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    Post  mavshot Fri Jul 30, 2010 1:20 pm

    i made one of these things once a few years ago i would recomend useing a ball valve rather than hose trigger it has a far better seal
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    Atlas8817


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    Post  Atlas8817 Fri Jul 30, 2010 1:40 pm

    How about a Quick-release Valve? I'm pretty sure they have them at Bunnings?
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    Post  Atlas8817 Fri Jul 30, 2010 1:57 pm

    Uhh its exactly what i think.

    Tank --> Tubing --> Quick Release --> Barrel --> Shoot dart
    http://www.rowland2.com/pdfs/qrv.pdf
    also, Have you ever watched Mythbusters they use them in everything
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    Post  Atlas8817 Fri Jul 30, 2010 2:10 pm

    Oh... sorry then that wa sthe one i was talking about
    chinnerz
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    Post  chinnerz Sat Jul 31, 2010 8:20 am

    Yep that's right. Qrv's or Qev's are commonly used in air rifles (of the DIY kind) and they release air a lot faster. If i had to give it a number i would say they are 1.5x faster than a spring actuated ball valve.

    syn13
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    Post  syn13 Sun Aug 01, 2010 4:47 am

    go to a plumber store etc."
    go nuts on the variety of valves.

    iv seen guys use a rainbird borewater pump valve system on a orange cannon.
    quick release and i think they go for 20$ and they just bolt on with a thread.
    aardman
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    Post  aardman Fri Aug 20, 2010 3:38 am

    I dont' know if you're still building this, but a few ideas for you if you are.

    Use a modified sprinkler valve

    Linky
    http://www.spudfiles.com/forums/viewtopic.php?t=305

    That will beat a ball valve hands down every time. And its not to complicated

    Secondly,

    (start rant) Don't be an idiot. The toy you think you are making is not a toy, it could hurt someone. Don't fire it at people, dogs, cats or whatever, don't even fire it near where people MIGHT be, and for Gods sake, don't use it in public! (end of rant)

    But I have made one and they are loads of fun, and I hope it goes well for you.

    Also pressures above about 20 psi will destroy a nerf bullet. Just FYI.
    littlebro05
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    Post  littlebro05 Fri Aug 20, 2010 6:33 am

    aardman wrote:I dont' know if you're still building this, but a few ideas for you if you are.

    Use a modified sprinkler valve

    Linky
    http://www.spudfiles.com/forums/viewtopic.php?t=305

    That will beat a ball valve hands down every time. And its not to complicated

    Secondly,

    (start rant) Don't be an idiot. The toy you think you are making is not a toy, it could hurt someone. Don't fire it at people, dogs, cats or whatever, don't even fire it near where people MIGHT be, and for Gods sake, don't use it in public! (end of rant)

    But I have made one and they are loads of fun, and I hope it goes well for you.

    Also pressures above about 20 psi will destroy a nerf bullet. Just FYI.

    Hmmm. I'd like to point out that 20PSI + pressures will NOT destroy a nerf bullet. Maybe because of different valve systems. I remember I had made an air gun to shoot darts at 60PSI. None of them shredded at all. They were in perfect condition.
    chinnerz
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    Post  chinnerz Fri Aug 20, 2010 10:55 am

    littlebro05 wrote:
    Hmmm. I'd like to point out that 20PSI + pressures will NOT destroy a nerf bullet. Maybe because of different valve systems. I remember I had made an air gun to shoot darts at 60PSI. None of them shredded at all. They were in perfect condition.

    Is true. I have put 120 onto one using a valve which opens 1.4X faster then a modded sprinkler valve. It was fine.
    Neodore
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    Post  Neodore Fri Aug 20, 2010 1:07 pm

    chinnerz wrote:
    littlebro05 wrote:
    Hmmm. I'd like to point out that 20PSI + pressures will NOT destroy a nerf bullet. Maybe because of different valve systems. I remember I had made an air gun to shoot darts at 60PSI. None of them shredded at all. They were in perfect condition.

    Is true. I have put 120 onto one using a valve which opens 1.4X faster then a modded sprinkler valve. It was fine.

    weird, my longshot started to blow the backs of my streamlines apart and thats cant be anywhere near those pressures
    Reaper
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    Post  Reaper Fri Aug 20, 2010 1:10 pm

    My STOCK LS is blowing apart the backs of Streamlines. I think it's a design flaw.
    chinnerz
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    Post  chinnerz Fri Aug 20, 2010 1:37 pm

    Neodore wrote:weird, my longshot started to blow the backs of my streamlines apart and thats cant be anywhere near those pressures

    Umm LS compression would be 20-25 psi max, i don't know whats up with that...
    Can you PM me some pics so i (fully) know what you mean?
    cinlia01
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    Post  cinlia01 Sat Oct 09, 2010 9:46 am

    I made one of these but mine had a solenoid valve and a masive batery. It woks great but it realy heavy because of the 12v battery you need to power the solenoid. Mine shoots 268 ft
    bulletproofvest
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    Post  bulletproofvest Sat Oct 09, 2010 10:35 am

    Do you mean it will work like a tennisball cannon?
    chinnerz
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    Post  chinnerz Sat Oct 09, 2010 4:51 pm

    cinlia01 wrote:I made one of these but mine had a solenoid valve and a masive batery. It woks great but it realy heavy because of the 12v battery you need to power the solenoid. Mine shoots 268 ft

    If you take out the solenoid like in this it will actuate a lot faster meaning more power at the same pressures.

    @ BPV: define "tennis ball cannon"
    bulletproofvest
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    Post  bulletproofvest Sun Oct 10, 2010 3:44 am

    Have a pipe, Bigger pipe at the end with a screw top, Drilled through the screw top there is a bbq igniter and how you use it is you spray deo in the end, screw the top back on and push the button and it fires a tennisball really far
    radiantraidercs-35
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    Post  radiantraidercs-35 Sun Oct 10, 2010 4:53 am

    cheers for the info but check the date of post mate
    chinnerz
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    Post  chinnerz Mon Oct 11, 2010 8:45 am

    Righto, so essentially you mean something like this:
    pvc sniper air combuster rifle Spudgun


    There is nothing wrong with that design, and it will shoot a good distance. However let me conclude by posting this:
    pvc sniper air combuster rifle Advancedspudgun

    It would be the same length, however the barrel extends inside the blast chamber making it quite a bit longer making it more powerful; this also allows your to load from the back of the gun, making it safer. This design is also powered by capacitors with three spark gaps making it more reliable... or more first time shots. i have also included a small computer fan to circulate the propellant around the chamber also increasing the number of first time shots. another feature is the ability to add a pistol grip increasing comfort of shooing and thus accuracy.

    Getting back on track, this is not a spud gun forums, its a Nerf forums, and one which tries to promote safety too. So lets not talk about stuff like this in the open.
    If you are interested in all of this give me a PM and we can talk in private.

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