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First spud gun (video)

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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First spud gun (video)

Unread postAuthor: Zagi » Sat Jun 07, 2008 11:48 pm

Got really bored one day and decided to build a spud gun. I think it works pretty good for a first try. Barrel could be longer, but it still works pretty well. 1.5" barrel... 3-4" chamber. Aqua Net hairspray... Barbecue sparker. Nothing special but its great fun.

http://www.youtube.com/watch?v=PpQqwkNp12I

Whatcha think? :lol:
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Unread postAuthor: Spedy » Sun Jun 08, 2008 12:10 am

Wow, thats cool. Get a longer barrel, it'll improve performance.
Your lucky, if I fired my big cannon I'd probably get arrested (against the law in San Joaquin county..) lol
Good job.

PS: the hairspray will eventually "gum up" your chamber and make the cleanout cap hard to unscrew. Happy spudding!
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Unread postAuthor: starman » Sun Jun 08, 2008 12:23 am

Looks like you've got a consistent gun there. Thanks for sharing your video.

Take a look around the site. There's lots to see and absorb.

Welcome to Spudfiles....where all your dreams come true..... :shock: ...well not really, but welcome anyway.

Spedy wrote:Your lucky, if I fired my big cannon I'd probably get arrested (against the law in San Joaquin county..)


Well that stinks to high heaven... :x
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Last edited by starman on Sun Jun 08, 2008 12:40 am, edited 1 time in total.
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Unread postAuthor: THUNDERLORD » Sun Jun 08, 2008 12:26 am

Looks like it shoots well.
Quite a bit of duct tape though.
Probably killed the boredom that day.
What do you plan to build next? 8)
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Unread postAuthor: Zagi » Sun Jun 08, 2008 12:28 am

Spedy wrote:Your lucky, if I fired my big cannon I'd probably get arrested (against the law in San Joaquin county..)


No worries about that here... in fact... the FBI agent up the street shoots his off his back porch :lol:

Deffinatly a consistant gun. It even makes pretty tight groups up too about 100yds. And whats next? A larger one of course :wink:
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Unread postAuthor: starman » Sun Jun 08, 2008 12:43 am

Zagi wrote:And whats next? A larger one of course :wink:


Good deal. Once spudding gets in your blood, it's hard to get it out. Maybe you could move to an advanced model, challenge yourself some.
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Unread postAuthor: n-strike » Sun Jun 08, 2008 1:56 am

What do you mean by 3-4" chamber?
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Unread postAuthor: Carlman » Sun Jun 08, 2008 2:01 am

n-strike wrote:What do you mean by 3-4" chamber?


part of it is 4" (cap end) middle is 3" and barrel is 1.5"
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Unread postAuthor: Zagi » Sun Jun 08, 2008 2:37 am

Carlman wrote:part of it is 4" (cap end) middle is 3" and barrel is 1.5"


Correct, the local stores didn't have a reducer to go strait from 4" to 1.5".
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Unread postAuthor: Zagi » Sun Jun 08, 2008 2:45 am

Took a still frame from the video and had to say... this looks really cool.. lol
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Unread postAuthor: xpitxbullx » Sun Jun 08, 2008 8:29 am

Good job. Switch to Gumout Carb & Choke Cleaner. It's cleaner, more powerful, and you get more shots per can since you only need a 1/3 second squirt into your chamber. Try it, you like it.

I, personally, just made the switch to propane and haven't looked back. :)

Jeff
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Unread postAuthor: FishBoy » Sun Jun 08, 2008 10:50 am

very nice, i would suggest looking into breach-loading guns or at least interchangeable barrels (or both) for your next gun, it makes things more fun. anyway, good for first gun :)
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Unread postAuthor: SpudFarm » Sun Jun 08, 2008 11:29 am

pretty good spud gun you got there.

also good with a new member that build guns rather than just talk about it. :)

welcome!
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Unread postAuthor: n-strike » Sun Jun 08, 2008 2:14 pm

Zagi wrote:
Carlman wrote:part of it is 4" (cap end) middle is 3" and barrel is 1.5"


Correct, the local stores didn't have a reducer to go strait from 4" to 1.5".
So you used a 4"-3" reducer? And then after that, you used a 3"-1 1/2" reducer?
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Unread postAuthor: JTF3 » Sun Jun 08, 2008 2:35 pm

I saw another video not saying not to use duct tape, so maybe I'd switch all the ductaped parts with electrical tape
Nonetheless, nice gun
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