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my sniper

Built a hybrid 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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my sniper

Unread postAuthor: Rambo » Sat Apr 22, 2006 12:24 pm

This is my new hybrid sniper.It works on the principle of my coke bottle hybrid.As I said for my pistol it has a great recoil.The time from the boom of the gun to the moment of impact when shooting a battery is vrey little comperad to my other guns=>so it is quite powerfull.It is very noisy.I like the sound of the chamber when filling with air 2 seconds befoure the boom.
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Unread postAuthor: Benny » Sat Apr 22, 2006 7:42 pm

always love what you come up with, imean you make a hybrid out of things lying around. :D
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Unread postAuthor: rna_duelers » Sun Apr 23, 2006 5:49 am

When will the madness stop?!?Gota love these hybrids you make,so how far is your furthest shot?and any chance of damage shots?
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Unread postAuthor: Rambo » Sun Apr 23, 2006 8:29 am

Where I live there isn't much cops free open spase.But onece that was a battery.It is totaly squased.No MnO2 and NH4Cl were left.
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Last edited by Rambo on Mon Apr 24, 2006 9:26 am, edited 1 time in total.
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Unread postAuthor: rna_duelers » Mon Apr 24, 2006 6:20 am

Nice,i might make one of those and test it on my uncles chrony i wonder how many FPS a battery can go.
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Unread postAuthor: Rambo » Mon Apr 24, 2006 9:23 am

But you should remember that you must treat the bottle with hot wather to reduce the volume and encrease the ticknes of the walls.
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Unread postAuthor: Rambo » Tue Apr 25, 2006 6:06 am

I just blow my chamber at little more then 4X.It wasnt that bad.Only the bottom of the bottle cracked.
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Unread postAuthor: rna_duelers » Tue Apr 25, 2006 6:37 am

Yeh,i new about treating them with hot water to make them stronger.The only problem now is getting a continous spark ignition,as they are not the easyest thing to find,may i ask what type of ignition you use,and roughly how much fuel you put in your chamber.I plan to use a 390mL chamber for the strenght is that the type of bottle you got to crack at 4x mix?
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Unread postAuthor: )DEMON( » Tue Apr 25, 2006 8:59 am

please tell me how to strengthen a plastic bottle
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Unread postAuthor: Rambo » Tue Apr 25, 2006 1:20 pm

I put a hot wather in the bottle but there is a little problem.Because the bottle is about 7" tall the wather presure in the bottom is bigger then the presure on the top, the bottom has a little bigger diametar then the top.That isn't very good bacause the bottom is the weakest part of the bottle.One solution can be if we use a much lighter liquid then just a wather.Other is to fill the liquid and in the same time to dive the bottle in a pot or something.As for the amount of fuel-it doesn't matter how much I put becausse there are little leaks in the chamber.That's why I don't pomp directily, I use a bottle wich gives enough flow to compensate them.
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Unread postAuthor: Benny » Wed Apr 26, 2006 5:17 am

for ignition use a ignition coil and a 555 timer circut,or a flyback. :D
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Unread postAuthor: beebs111 » Wed Apr 26, 2006 3:44 pm

i dont reccomend that, as to many people here are enimies of high voltage=] i got the bejesus shocked outta me my a taken apart disposable camera. by the way rambo, what is that you use for the contiuuous spark. ive seen it on your other hybrid, but ive been wondering what it is and where i can get one
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Unread postAuthor: Rambo » Thu Apr 27, 2006 1:08 am

I took it from 1lv shop(1lv=0,625$).It's a cheap chinise cooker ignitor.In my hybrid the margine between the electrodes is not more then 1mm.First-that way the mix will only ignite if it is almost perfect and second is that the ignitor changes it's preformance and I want to be sure that it will give a spark even at 4 atm.How much do you think will be the shipping costs from Bulgaria(it's between Greece Romania Yugoslavia and Turkey) , to where you live?
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Unread postAuthor: FiveseveN » Thu Apr 27, 2006 3:25 am

Shipping costs would probably be more than the sparker itself :)
It took a while for me to find one, too. You can check your local 1 dollar shop, flea market, supermarket etc.
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A pic of the chinese sparker I used, internals exposed. Ruler is in cm.
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Unread postAuthor: Rambo » Thu Apr 27, 2006 10:23 am

My ignitor is almost the same as this one.
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