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pneumatics vs combustion

A place to ask general spud cannon related questions.
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Unread postAuthor: UAE_gunner » Thu Dec 29, 2005 4:56 am

Pneumatics may be safer but i think that the fact that it could blow up in your hand's kind of adds some of the fun to shooting combustion launchers, but i would say pneumatics are all around better guns besides the wait but combustions are much funner to shoot.
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Unread postAuthor: CS » Thu Dec 29, 2005 2:57 pm

Arg! Pneumatics arent safer! Rather that noobs first cannon is a combustion and generally dont have proper construction skills, its not the method in which it is shoot. *flush* Anyways ya I will agree that combustions are funner then pneumatics. Obviously the method of pneumatic firing is generally more powerful, but its the "BOOM" factor. (it changes everytime I say it) When using PG's I have noticed a few things that I like noise, distance, consturction challenge/ "newness" (sometimes countered by cost), and thats all I can think of.

Combustions are defintly funner. You got a "BOOM!" and a fireball compared to a "hissssss" and a little puff. More portable (appeals to younger users because of energy level). Easyer to build. I have my CS-X sitting on my porch and when ever I get bored I just go out there and shoot a couple GB's and come back in.
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Unread postAuthor: neilman88 » Mon Jan 09, 2006 12:17 am

i agree with the pimp
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Unread postAuthor: nicholai » Mon Jan 09, 2006 5:25 pm

overpressurize the chamber? who has an air compressor that pumps a tank over 150 psi? Probably no one, that is because all typical air tools run under 100 PSI (air ratchet, paint gun, impact wrench etc) i think pneumatics are safer due to the fact that there is no flaming fuel involved for burnt eyebrows. But for portability and ease of use i definatly go with a combustion. If i was gonna show off a potato cannon i would pick up my combustion rather than my pneumatic just because its more practical to use. Dont have to lug around a bike pump/car tire pump.

When it comes to someone who isnt really impressed by a bbq clicker and water pipe thrown together by the regular amature i whip out my propane filled, stun gun ignited, dual spark, shoulder fired, rocket launcher i use for PVC rockets. note, the barrel is actually about a 3 feet longer, i cut the pic to fit it on my website
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Unread postAuthor: CS » Mon Jan 09, 2006 5:51 pm

SpudShot-SS wrote:overpressurize the chamber? who has an air compressor that pumps a tank over 150 psi? Probably no one, that is because all typical air tools run under 100 PSI

Mine goes up to 120, but did you ever think of other pressure sources? What about CO2 (800psi)? Hopefully that wasnt a attempt to "slam" me.

Anyways, Nice Gun! Are you going to post it? (well at least I dont think it has been posted...) If not submit a new topic and if you would get a close up of the project box.
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Unread postAuthor: darkpyro » Mon Jan 09, 2006 5:59 pm

my compressor goes to 250psi so you can definetaly over pressurise the chamber :!:
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Unread postAuthor: nicholai » Mon Jan 09, 2006 10:20 pm

pimpmann22 wrote:Mine goes up to 120, but did you ever think of other pressure sources? What about CO2 (800psi)? Hopefully that wasnt a attempt to "slam" me.

Anyways, Nice Gun! Are you going to post it? (well at least I dont think it has been posted...) If not submit a new topic and if you would get a close up of the project box.


oops, forgot about CO2, and no i wasnt slammin ya dude. If you do have an air compressor that regulates over 135 psi its definatly an oddball, you cant go into a lowes or home cheapo and pick one up off the shelf that pumps over 150.

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better pic? just a trading card box with the guts of a 100,000v stun gun neatly placed inside with a 9v NI-MH rechargable
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Unread postAuthor: Technician » Mon Jan 09, 2006 10:45 pm

I like the combustions merely because they are truly portable and self-contained if built correctly. Tie a 50 pound bag of spuds to your belt (better get suspenders) and go for it.

With a pneumatic you are tied to a compressor one way or another.
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Unread postAuthor: Damien » Mon Jan 09, 2006 11:55 pm

i like combustions because of the simplicity of them.
and the fact that they r cheap, and easy to make

plus KA BOOM
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Unread postAuthor: Lucas_Pukas » Tue Jan 10, 2006 2:39 am

I like the combustions. Granted I am a pyromaniac (or thats what most people would refer to me as) so I am partial to flames and explosions. Also, that is all I have ever built so I am biased. And as for the dispute over safety between pneumo/combustion, I think it all boils down to the shooter and also the builder. Know your limits and the limits of your cannon(s).
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Unread postAuthor: guitarfreak » Tue Jan 10, 2006 6:34 pm

Lucas_Pukas wrote:I like the combustions. Granted I am a pyromaniac (or thats what most people would refer to me as) so I am partial to flames and explosions. Also, that is all I have ever built so I am biased. And as for the dispute over safety between pneumo/combustion, I think it all boils down to the shooter and also the builder. Know your limits and the limits of your cannon(s).
i totally agree,i have 1 of each,and they both have their ovn dangers. i bet you 5 dollars that you cant singe all the hair off your arm with a pneumatic,but i find it hard to imagine a combustion's chamber rupturing,when used in normal conditions
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Unread postAuthor: deathtodeer666 » Wed Jan 11, 2006 1:31 am

I love both but if I had to pick one to shoot the rest of my life id go for combustion mainly because I like to add wires and buttons and tread propane torches, besides for me its all about the build its all I do, I once made a prototype cigarette lighter in one day at school I always have parts on me, any body like me?
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Unread postAuthor: Matt982 » Fri Jan 13, 2006 12:33 pm

im plannin on makin a bb sniper modeled after a m-82 sniper rifle. I want it to look just like it but i dont know what will give me teh most power for my limited space. Should i make it a pnuematic or a combustion. :?:
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Unread postAuthor: Matt982 » Fri Jan 13, 2006 12:41 pm

I just finished making two pill bottle minis and a mini. Now i want to make a bb sniper modeled after a m-82 sniper rifle. I want it to look just like the m-82 so this limits my space to a confined area. which one should i make it, to give me the most power?
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Unread postAuthor: sgt pauley » Fri Jan 13, 2006 1:02 pm

Hello all I do WWII re-enacting. 1st and for most i need some big help !!! I bought a Spanish 60 mm mortar for reenacting. The ontl 2 problems in which i face are # 1 ). how to propel? 2nd how to build a mortar rounf that flys around the 400-600 yrd range and explodes upon/before, or seconds after inpact. Now saying that the warheads we use in this hobby are not leathal more lie an m-80 . Anyhow i`m putting my email on this so if anyone would like to look at pictures of the mortar i can mail them directly to you,also if you don`t mind i am willing to speak over the phone,(if it costs you $$$ to talk long distance call me tell me who you are/what the topic is and we`ll hang up and i`ll call you and put it on my dime !) my home # is (301)-737-0828 and my email is charles_pauley2@yahoo.com please someone with skills in steel ,bronze and propellants please contact me ! lol Best regards , Sgt. Pauley
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