Haughty Hand-Held Howitzer

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.
Zorrowannabe9
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Tue Jun 20, 2006 7:52 pm

My "Haughty Hand-Held Howtizer"

The ABS Chamber measures 3"x18" with a 2" 5' barrel with a serated cutting edge hidden under the union style connector. The ignitor system is powered by a BBQ ignitor, which produces 4 sparks. A chamber fan was mounted in the rear and is pwoered by 2 9v batteries. It features metered propane with an ABS and wood mounting for the propane tank.

<a href="http://img145.imageshack.us/my.php?imag ... ile2vh.gif" target="_blank"><img src="http://img145.imageshack.us/img145/3913 ... 2vh.th.gif" border="0" alt=""></a>


<a href="http://img149.imageshack.us/my.php?imag ... bly3wx.gif" target="_blank"><img src="http://img149.imageshack.us/img149/4528 ... 3wx.th.gif" border="0" alt=""></a>


<a href="http://img128.imageshack.us/my.php?imag ... .gif"><img src="http://img128.imageshack.us/img128/1513 ... h.gif"></a>
40mm highspeed chamber fan, those things help.

<a href="http://img60.imageshack.us/my.php?image ... .gif"><img src="http://img60.imageshack.us/img60/8738/s ... h.gif"></a>

Shotty picture of propane setup, the black stuff leading wrapped around the hose leading to the tank, is duct tape. Not for any support, just to cover some sharp metalic braid ends.

<a href="http://img93.imageshack.us/my.php?image=spud41ze.gif" target="_blank"><img src="http://img93.imageshack.us/img93/7484/spud41ze.th.gif" border="0"></a>

slightly sloppy stenciling job of gun name

<a href="http://img142.imageshack.us/my.php?image=spud57qk.gif" target="_blank"><img src="http://img142.imageshack.us/img142/6779/spud57qk.th.gif" border="0"></a>
Last edited by Zorrowannabe9 on Mon Jun 26, 2006 11:00 pm, edited 2 times in total.
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spudmonkey
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Tue Jun 20, 2006 8:01 pm

i cant access the page it wants me to sign in, and last time i tried to make an acount it wouldn't let me
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PCGUY
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Thu Jun 22, 2006 1:33 pm

Please post the pictures and stuff here, a link is not acceptable.
Yes, I am the guy that owns & operates SpudFiles (along with our extremely helpful moderators).
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frogy
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Thu Jun 22, 2006 1:54 pm

Nice gun, thanks for getting it posted in your first post :D
Last edited by frogy on Sun Jun 25, 2006 7:26 pm, edited 1 time in total.
-FrOgY-

I wish people would stop needing a better signature!
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)DEMON(
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Thu Jun 22, 2006 2:19 pm

That is a good job.
Forever dreaming...
Zorrowannabe9
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Fri Jun 23, 2006 3:41 pm

thank you much Froggy, I greatly appreciate it. I will redo it however, if a mod could please delete this it would be appreciated.
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frogy
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Fri Jun 23, 2006 5:33 pm

No problem, if you can, just go to the post on SpudTech and go to Edit and then just copy everything and put it on here...

Click edit on your first post here and just paste everything in and I will delete everything I posted...
-FrOgY-

I wish people would stop needing a better signature!
Zorrowannabe9
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Sat Jun 24, 2006 11:14 pm

okay Fixed, my appologies PCGUY, and ty Frogy
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Flinchy
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Sat Jun 24, 2006 11:23 pm

good job with the propane setup, after i build pythagoras (my current cannon) im going to build a propane meter for my combustible cannons.

~FLINCHY~
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M3NT4L
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Sat Jul 15, 2006 11:46 am

:D i like the handle, damn my ignition doesent fit anywer it pisses me off so much
runningawaypyro
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Wed Aug 30, 2006 9:47 pm

je correct me if im wrong but i keep on hearing abs pipe is dangerous because its basically very hard foam and isnt pressure rated. is it or not? funny how the internet can mess up facts filterd through so many people. or am i just dreaming that you said it was abs chamber.
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DonTheLegend
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Wed Aug 30, 2006 9:57 pm

ABS pipe is not pressure rated, however is generally considered safe for combustion guns. Some people will argue that it is better because you can hit it with a hammer and it will bounce back instead of shattering, but that does not constitute a pressure rating, which is the type of force spud guns produce. It most definitely should NOT be used on pneumatics.
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Velocity
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Wed Aug 30, 2006 10:02 pm

I DO NOT RECOMMEND TRYING THIS, but some people believe that ABS cannons are better if you use acetylene, because they have high strength in that area (for sudden impacts; tensile strength, perhaps?). However, they cannot take sustained pressure (pneumatics and hybrids are OUT).
runningawaypyro
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Wed Aug 30, 2006 10:09 pm

well thanks for verifying that!
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