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Metered-Propane Candy/Softball Launcher

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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Metered-Propane Candy/Softball Launcher

Unread postAuthor: DR » Mon Mar 19, 2007 10:15 pm

This cannon was built for a former employer and member of the LDS church. He wanted a launcher that was designed specifically for launching an entire bag of candy, a short distance. - Much like a sawed-off shotgun barrel blast.

The 4" pipe has a wooden spacer, that separates the combustion chamber portion from the barrel portion. The spacer has a 2" hole drilled through the center of it. It wound up being a little more powerful than expected, because he's used it since to launch softballs farther than than the length of a football field.

<div align="center">Image

<a href="http://www.villagephotos.com/pubbrowse.asp?folder_id=1689925">Candy Launcher Photo Album</a></div>
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Unread postAuthor: A-98 » Mon Mar 19, 2007 10:25 pm

:thumbright: beautiful cannon. i wish i had you skill, but my cannons cower in the face of that, and im not even going to go into what they do when they see your hybrid. it involves a soccerball, a bag of chocolate, and a flourescent lightbulb :lol:
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Unread postAuthor: Zorrowannabe9 » Thu Mar 22, 2007 10:23 pm

DR- What is the piece of brass that is between the two ball valves. Also, what fitting is that just before (to the right) of the blow ballvalve? I assume that is attaches to your propane tank, but what fitting is it?
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Unread postAuthor: Velocity » Thu Mar 22, 2007 10:45 pm

Umm... which two ball valves? There are like 4 :lol:
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Unread postAuthor: Zorrowannabe9 » Thu Mar 22, 2007 10:54 pm

lol, well that answered the first question.
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Unread postAuthor: Flying_Salt » Thu Mar 22, 2007 10:55 pm

You should load it with acorns and use it to take out small flocks of birds...
Seriosuly, nice cannon, very clean, better than "the normal junk" the rolls through here. (My work usually ends up in that category *cough tissue box cannon).
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Unread postAuthor: DR » Fri Mar 23, 2007 12:34 am

Zorrowannabe9 wrote: Also, what fitting is that just before (to the right) of the blow ballvalve? I assume that is attaches to your propane tank, but what fitting is it?


It's commonly referred to as a "Coleman Adapter" ... go figure?? :wink:

It screws directly onto a 16.4 oz. disposable propane or MAPP tank and the other end is a Male 1/4" NPT.
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Unread postAuthor: TalonXxX » Fri Mar 23, 2007 11:14 am

Hey DR, sorry to switch topics here but could you post the link for your Tri valved tri barrel tennis ball launcher? I've been looking everywhere for it and I wanted to take a peek at it again. Thanks DR
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Unread postAuthor: DR » Fri Mar 23, 2007 11:12 pm

TalonXxX wrote:Hey DR, sorry to switch topics here but could you post the link for your Tri valved tri barrel tennis ball launcher? I've been looking everywhere for it and I wanted to take a peek at it again. Thanks DR


I wouuuld... If I knew what the heck you were talking about! - :?
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Unread postAuthor: TalonXxX » Fri Mar 23, 2007 11:56 pm

lol didn't you make a gun with 3 sprinkler valves and 3 barrels very close to each other... like a triangle looking thing. Or if you didn't, do you know which gun I'm talking about? I was almost positive it was you who built it.
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Unread postAuthor: DR » Sat Mar 24, 2007 12:08 am

TalonXxX wrote:lol didn't you make a gun with 3 sprinkler valves and 3 barrels very close to each other... like a triangle looking thing. Or if you didn't, do you know which gun I'm talking about? I was almost positive it was you who built it.


Ah.. You mean this P.O.S.!???

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Unread postAuthor: A-98 » Sat Mar 24, 2007 12:19 am

why is it bad? it looks really cool.
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Unread postAuthor: TalonXxX » Sat Mar 24, 2007 2:10 pm

Looks different from what I remembered but that must be it. Looks sweet, got more pics or a link to more? Thanks DR
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Unread postAuthor: joannaardway » Sun Mar 25, 2007 2:37 pm

It does look a little different. This is how I remember it:

Image
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Unread postAuthor: TalonXxX » Sun Mar 25, 2007 2:52 pm

Yeah, there we go, thx joannaardway!
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