Rambos Little Brother

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
utz
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Sun Jul 15, 2007 9:34 pm

Here is another creation that I came up with. Basic combustion, but again attention to detail make this gun special. 3" chamber with 1.5" barrel. New variation of camo, new heat shield and some tricked outed sights. The counter sink bits made this job much easier when making the heat shield. Adding three colors for the camo scheme makes a big difference...much more realistic. Nice smaller cannon that is a lot of fun to shoot!!
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A a r o n
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Sun Jul 15, 2007 9:49 pm

That is a really nice looking gun.

A+
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rednecktatertosser
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Sun Jul 15, 2007 9:50 pm

WOW, again, great job on the paint, and an oh so clean job on the construction of the cannon. You should try a pneumatic, just for kicks.

Keep up the good work!
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FeLeX
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Sun Jul 15, 2007 9:51 pm

Man that looks freaking awesome. Very clean job. How much did all cost you?
Are you planning on putting a fan and propane injection on it?
utz
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Sun Jul 15, 2007 10:01 pm

Not that much. I had some parts leftover from my Rambo gun. About 40 $, I also had paint leftover. I like to keep the guns simple. No batteries, fans, etc., you know things to break and go wrong. I am not looking for top end power, if I want that I can grab one of my REAL guns and shoot at something.
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Binder17
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Sun Jul 15, 2007 10:06 pm

The Camo came out great. Almost looks like a nightime background. I have been very impressed by your designs. Each gun you make seems to have something unique. Your next one should look like the Barret .50 caliber sniper rifle in my avatar.
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utz
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Sun Jul 15, 2007 10:10 pm

Thanks, the camo painting has been a lot of fun. Going thru the yard to find different leaves and branches to try is a cool challenge. I was looking at a G.I Joe toy the other day for some ideas...who knows what you can up with for the next gun, thats the fun part.
NewB
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Wed Jul 18, 2007 12:04 pm

Nice cannon utz. I love the paint job.
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BigGrib
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Fri Oct 05, 2007 11:31 am

Great cannon. I love everything about it. One question about your heat shield though is that aluminum or paint?
Yea, that's definitely going to get you at least a tazer.
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utz
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Fri Oct 05, 2007 6:34 pm

Its all Krylon Fusion paint.
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foothead
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Sat Nov 10, 2007 12:07 pm

how big is that ball valve on the back?
utz
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Wed Nov 21, 2007 8:38 pm

Its 3/4 inch I think.
Novacastrian
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Wed Nov 21, 2007 8:45 pm

Fooled me, i thought that the heat shield was Aluminium!
It looks the nuts, any range estimates yet?
9/10.
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spec4soldier
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Thu Nov 22, 2007 8:02 am

are there any plans that could be posted for this? me and my crew in iraq are lookin for something to do to pass our time, thus this hobbie came to mind and this looked cool as hell for a first time build. we need something thats gonna be safer than firing off our real weapons.
utz
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Thu Nov 22, 2007 8:18 pm

Unfortunately no real plans...just went to Lowes and started tinkering with PVC. Most of my combustions are a 3" chamber of some sorts to a 1.5" barrel usually about 30 to 40" long. I like using BBQ igniter and a large ball valve(makes for easy fuel delivery and looks cool. The paint and other "accessories" like the heat shield and sights are just anything I thought could dress the gun up a bit. Just make sure you use good quality PVC, make a good and proper weld and then have fun. Good luck
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