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Mini Spud

Built a combustion 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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Mini Spud

Unread postAuthor: PCGUY » Sat Feb 12, 2005 4:49 pm

<div align="center">MINI SPUD

Provided By - Kevin

This is my first combustion launcher and it is made out of all copper. The chamber is made out of 3/4" copper piping and the barrel is made out of 1/2" copper. I can shoot about 50 yards with propane. I use a BBQ igniter on it and it always fires on the first click. </div>
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Upside Down View.jpg
Upside Down View.jpg (10.78 KiB) Viewed 11878 times
Front View.jpg
Front View.jpg (13.49 KiB) Viewed 11878 times
BBQ Igniter.jpg
Back View.jpg
Back View.jpg (15.61 KiB) Viewed 11878 times
Angle View.jpg
Angle View.jpg (13.24 KiB) Viewed 11878 times
Last edited by PCGUY on Mon Jun 12, 2006 7:26 pm, edited 2 times in total.
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Unread postAuthor: bb » Tue Mar 01, 2005 1:49 am

kool what did u use to stop & release the air pressure in the barrel?
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Unread postAuthor: bb » Tue Mar 01, 2005 1:59 am

and how did u power it

thanks
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Unread postAuthor: PCGUY » Tue Mar 01, 2005 7:56 am

This is a combustion, not a pneumatic. No need to stop and release air pressure.

And in the second line...
I can shoot about 50 yards with propane.
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Unread postAuthor: theexp » Fri Mar 04, 2005 8:34 pm

what did you do to make it so the electrodes would be insulated from the steel?
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Unread postAuthor: BC Pneumatics » Fri Mar 04, 2005 10:29 pm

It's copper. He probably has the spark jumping to the wall.
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Unread postAuthor: theexp » Mon Mar 07, 2005 6:00 pm

wow, i am stupid sometimes. Somebody smack me...
I guess had my mind somewhere else, or was looking at the endcap.
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Unread postAuthor: BC Pneumatics » Tue Mar 08, 2005 12:47 am

theexp wrote:wow, i am stupid sometimes. Somebody smack me...
I guess had my mind somewhere else, or was looking at the endcap.


Hehe, no worries, I do it all the time :)
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Unread postAuthor: jacob » Tue May 17, 2005 4:01 am

Where did the gas come in?
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Unread postAuthor: spudshot » Tue May 17, 2005 11:37 am

what do you mean? how do you fuel it? you take off the end cap and spray in your fuel
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Unread postAuthor: spudman » Thu Aug 25, 2005 3:30 am

where did u get that ignitor from and is it any good
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Unread postAuthor: spudshot » Thu Aug 25, 2005 7:51 am

its from a long nosed bbq lighter, they work fine for mini's
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Unread postAuthor: spudman » Fri Aug 26, 2005 3:53 am

oh coz i got a spud gun bout 30cm long and i used an ordinary lignter igniter and it is rubbish :cry: are ordinary lighter igniters different
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Unread postAuthor: spudshot » Fri Aug 26, 2005 8:33 am

hm, i dont know what you'd be talking about, i'm only familiar with the ones out of long nosed ignitors, the flint ones from lanterns, and the bbq ignitors, a pic would be helpful
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Unread postAuthor: spudman » Sat Aug 27, 2005 4:57 am

im talking about 1s from electric cigarette lighters


dont worry i blew it up anyway now it looked the same from the one from the long nosed lighters .Anyway where can i get a bbq ignitor for without sending away for it
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