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Jeepers Creepers 2 Harpoon Gun

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Jeepers Creepers 2 Harpoon Gun

Unread postAuthor: MrCrowley » Thu Aug 10, 2006 2:46 am

I was watching Jeepers Creepers 2 today and was looking at the Harppon Gun the old guy used to kill/injure the jeepers creepers guy. It looked like it was a twin chamber pneumatic harpoon gun and when he shot it some water vapours shot out as well it kind of looked like Joels mega cannon II. Does anyone have any info on this gun it would be awsome to make 8)
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Unread postAuthor: killagorrila99 » Thu Aug 10, 2006 2:59 am

thats simple just make like this: two, 2 inch chambers, 2 to 1 inch reducer, 1 inch modded sprinkler valve and a 1 inch barrel. make it setup like joels mega launcher cept smaller and make a ghetto harpoon with 3/4 cpvc pipe, spearfishing tip on the end of the pipe, rope (for reshooting, duh) and wrap the harpoon with tape for a tighter fit.



anywayz im outies man cya
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Unread postAuthor: MrCrowley » Thu Aug 10, 2006 3:08 am

i didn't mean replicate joels gun i meant to build the one on jeepers creepers it might be different to joels but if its the same i wouldnbt build it.
Like the one on JC2 i doubt is the same concept thing as joels.
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Unread postAuthor: killagorrila99 » Thu Aug 10, 2006 3:09 am

well build it out of metal or make it a piston gun
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Unread postAuthor: chosen_way » Fri Aug 11, 2006 5:29 am

from what i can remember it is made out of steele and it is on a 40 gallon drum, that would most likely be the pressure chamber. and it swivels aswell.
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Unread postAuthor: MrCrowley » Fri Aug 11, 2006 6:13 am

yeah i wanna make a swivel stand for my spud guns.it had to drums i think on each side of the barrel
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Unread postAuthor: killagorrila99 » Fri Aug 11, 2006 7:05 am

well build one like that then. i sugest ballvalve caus of high pressure
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Unread postAuthor: M3NT4L » Fri Aug 11, 2006 7:12 pm

NO! no ball valve please use piston.
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Unread postAuthor: MrCrowley » Fri Aug 11, 2006 7:42 pm

Using a ball valve in high pressure would be a [female doggy] to open. Think about all the pressure stopping you from opening it fast and not many ball valves are rated very high, and if they are they cost too much. A piston would be the best as it can go hold more pressure then a solenoid valve, which is like 145psi where you could make a piston around 220psi if your good enough.
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Unread postAuthor: Atlantis » Fri Aug 11, 2006 7:44 pm

Um, does'nt a ball valve open with same resistance no matter how high the pressure is? The pressure pushes from the side, you're just rotating it.

Anyways, any ball valve over 1" or so is really hard to open and they are really bulky and ugly.

Try building one of these, except with a harpoon tip.

http://www.spudfiles.com/forums/viewtopic.php?t=2086&
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Unread postAuthor: MrCrowley » Fri Aug 11, 2006 9:31 pm

yeah that would be awsome to make
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Unread postAuthor: beebs111 » Sat Aug 12, 2006 9:06 am

i saw that a few nights ago lol its actually a pretty good movie

the guy had 2 scuba tanks on either side of a steel chamber and some sort of butterfly valve for releasing the pressure
have fun :wink:
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Unread postAuthor: MrCrowley » Sat Aug 12, 2006 4:54 pm

i will have fun 8) ,i thought he had a butterfly valve in there somewhere :roll:
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