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Big Mutha Chucker

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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Unread postAuthor: meatballs » Mon May 07, 2007 12:24 pm

when you finish with the internal components, post picts of fan, spark gap, etc, would love to see that. looks powerful, great gun.
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Unread postAuthor: frankrede » Sun May 13, 2007 8:21 pm

Wow I installed a chamber fan and redid my ignition and this thing on its first metered propane shot is amazing!
So much power! with a 7ft golfball barrel I shot a golfball over a freeway and some distance past a soccer park!
As for an exact distance, I'll get back to you guys on that.
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Unread postAuthor: BIG FISH » Sun May 20, 2007 2:11 pm

nice gun. i no this is off topic, but what kind of honda is that in the last picture?
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Unread postAuthor: frankrede » Sun May 20, 2007 3:24 pm

I believe thats a 80
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Unread postAuthor: Bubba05 » Sun May 20, 2007 7:21 pm

Looks nice mate! I like it!

Bubba
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Unread postAuthor: Flying_Salt » Sun May 20, 2007 7:36 pm

SpudBlaster15 wrote:This gun looks very nice. I do have a few suggestions, however.

1) Add a barrel support (or 2, which would be the better option) to prevent the long barrel from flexing upward and snapping the elbows off upon firing. Adding a ring support would allow the barrel to be slid forward and ammo breech loaded without detaching the whole thing.
2) Cam locks or a union for breech loading.
3) The 1.25" vent valve seems a little small, you might want to use a larger ball valve.

Other than that, I like it.


Your forgot to write
4) Make it out of ABS

Anywhoo, I like the gun. I hope to see more muthachuckin' work from you.

EDIT: Ha ha I made a word. Muthachuckin. All me baby!
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Unread postAuthor: SpudBlaster15 » Sun May 20, 2007 8:11 pm

Flying_Salt wrote:Your forgot to write
4) Make it out of ABS


Oh yeah, that too. :lol:
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Unread postAuthor: frankrede » Sun May 20, 2007 9:56 pm

The gun is a beast!
I shot it today and it was beastly.
Surprisingly it may be heavy but is quite comfortable to hold.
I even got my dad to shoot it.
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Unread postAuthor: Bubba05 » Sun May 20, 2007 10:31 pm

Thats sick when your parents get into your hobby!
My dad runs it but wont fire them?
Was it loud? and what type of damage did you do?


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Unread postAuthor: PneuJose » Sun May 20, 2007 10:49 pm

i rather use sch80 instead of ABS. sch80 pvc pipes and fittings are totally free for me :D
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Unread postAuthor: frankrede » Sun May 20, 2007 11:47 pm

Bubba05 wrote:Thats sick when your parents get into your hobby!
My dad runs it but wont fire them?
Was it loud? and what type of damage did you do?


Bubba

My dad hates the thing because its loud, but he is proud of me.
I can put a golfball through a concrete brick or though a piece of 3/4" mdf board+3/4" plywood.
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Unread postAuthor: super spuder » Mon May 21, 2007 12:16 am

combustion putting a golf ball through concrete, wow. how fast do you think it shoots. and can i see a video of that? or golf ball through ply wood?
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trying to decide on a new project, probably something small.
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Unread postAuthor: SpudBlaster15 » Mon May 21, 2007 12:23 am

This launcher is probably capable of about 600fps with a golf ball.
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Unread postAuthor: Bubba05 » Mon May 21, 2007 6:55 pm

Thats so kewl mate! Sounds like a beast I never tryed to shhot at bricks b4? But im building a golf ball gun at the moment! So i'll see how we go!

Bubba
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Unread postAuthor: frankrede » Mon May 21, 2007 10:54 pm

SpudBlaster15 wrote:This launcher is probably capable of about 600fps with a golf ball.
Thats what EVBEC said
And here are some new updated pics with my aluminum camlocks(I put them on backwards, I need a nipple and a new male adapter.) You can see my fan box which is currently being fastened by ugly tape. and some pics of the chamber with the fan on and off.

he spark is nothing cool, just 2 10-24 bolts with a relatively small gap tp accommodate my recent bad luck with buying bbq igniters this is the third one and I still can't get a spark more than 1/8" .when I used to have sparks 1/2" wide in the past


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