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Frankrede's Mauler Cannon

Built a pneumatic 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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Frankrede's Mauler Cannon

Unread postAuthor: frankrede » Sat Nov 22, 2008 5:48 pm

This is my Mauler cannon, featuring Sgort's Mauler valve.
This valve is amazing and is well made. Quite simply, it makes all of my previous piston cannons look like sh*t when it comes to performance and craftsmanship.
Barrel:1 1/2" sdr-21 sleeved with 2" sch-80
Chamber: 4"
Valve: Sgorts Mauler valve with 2" porting
Favorite Ammo:Golfballs with golf tee epoxied on back for stabilation
Now some pics
<a href="http://s30.photobucket.com/albums/c325/redensekjf/?action=view&current=1220490481.jpg" target="_blank"><img src="http://i30.photobucket.com/albums/c325/redensekjf/1220490481.jpg" border="0" alt="Photobucket"></a>
<a href="http://s30.photobucket.com/albums/c325/redensekjf/?action=view&current=1220490507.jpg" target="_blank"><img src="http://i30.photobucket.com/albums/c325/redensekjf/1220490507.jpg" border="0" alt="Photobucket"></a>
<a href="http://s30.photobucket.com/albums/c325/redensekjf/?action=view&current=1220491035.jpg" target="_blank"><img src="http://i30.photobucket.com/albums/c325/redensekjf/1220491035.jpg" border="0" alt="Photobucket"></a>

Damage shot
<a href="http://s30.photobucket.com/albums/c325/redensekjf/?action=view&current=1223684751.jpg" target="_blank"><img src="http://i30.photobucket.com/albums/c325/redensekjf/1223684751.jpg" border="0" alt="Photobucket"></a>
Steel Bike peg filled with caulk shot through two stop signs placed back to back and destroyed a piece of 3/4" plywood behind it.
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Unread postAuthor: SEAKING9006 » Sat Nov 22, 2008 5:50 pm

Damn nice cannon, Frank. Glad to see it's finally done.
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Unread postAuthor: Ragnarok » Sat Nov 22, 2008 6:00 pm

Looks good to me. I'd personally want something to tie the chamber and barrel together near the front to prevent recoil playing silly buggers with it, but I suppose will probably be fine.

And congrats on 3000 posts, whenever you managed that - but I'm coming to get you!!!
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: frankrede » Sat Nov 22, 2008 6:08 pm

With the way that I used a 4" elbow instead of a 2" I prevented most barrel flex. It is quite sturdy, especially with its relatively short length.
But a support could come in handy on other barrels.
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Unread postAuthor: jook13 » Sun Nov 23, 2008 2:30 am

So does sgort make these valves and sell them? I was under the impression that he was a combustion guy.
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Unread postAuthor: frankrede » Sun Nov 23, 2008 2:43 am

Yea he sells them via his website, he also does combustion's yes.
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Unread postAuthor: starman » Sun Nov 23, 2008 3:35 am

That sucker looks all business. The Mauler valve makes building a big cannon an almost plug and play adventure. That damage pic is self-evidence of its power.

I would brace the barrel to the chamber or maybe replace the screw connector on the breech with a cam-lock setup. Will make transport weight and storage a little easier.

Nice brute of a cannon Frank!!

Edit: I hadn't heard of cementing tees to a golfball as a "tail" before now... beautiful idea!
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Last edited by starman on Sun Nov 23, 2008 10:43 am, edited 2 times in total.
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Unread postAuthor: psycix » Sun Nov 23, 2008 6:02 am

Very nice creation.
Doesnt triggering the ballvalve throw off your aim? You could also go with a QEV + blowgun to pilot this beauty.

I'd make a barrel support thingy if I were you.
I can already see that one piece of pipe between the elbow and the T fail.
The more powerful the cannon, the more recoil you get. And this one is quite powerful.
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Unread postAuthor: VH_man » Sun Nov 23, 2008 9:54 am

I have GOT to pick up a mauler someday.......

looks nice. Any videos?
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Unread postAuthor: frankrede » Sun Nov 23, 2008 12:49 pm

psycix wrote:Very nice creation.
Doesnt triggering the ballvalve throw off your aim? You could also go with a QEV + blowgun to pilot this beauty.

I'd make a barrel support thingy if I were you.
I can already see that one piece of pipe between the elbow and the T fail.
The more powerful the cannon, the more recoil you get. And this one is quite powerful.
The ball valve is pretty easy to throw, I ran it through a drill so it turns with little effort.
And the piece between valve and chamber is sch-40 steel, I would like to hope it wouldn't break.

starman wrote:That sucker looks all business. The Mauler valve makes building a big cannon an almost plug and play adventure. That damage pic is self-evidence of its power.

I would brace the barrel to the chamber or maybe replace the screw connector on the breech with a cam-lock setup. Will make transport weight and storage a little easier.

Nice brute of a cannon Frank!!

Edit: I hadn't heard of cementing tees to a golfball as a "tail" before now... beautiful idea!

I actually have a set of aluminum cam-locks for this beast, I just don't have them on seeing as I only have one barrel left... http://www.spudfiles.com/forums/barrel- ... 15893.html
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Unread postAuthor: ALIHISGREAT » Sun Nov 23, 2008 1:38 pm

thats cool, looks like it could dish out some decent damage :twisted:
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Unread postAuthor: starman » Sun Nov 23, 2008 6:22 pm

frankrede wrote:I actually have a set of aluminum cam-locks for this beast, I just don't have them on seeing as I only have one barrel left... http://www.spudfiles.com/forums/barrel- ... 15893.html


I doubt very seriously your new barrel will see the same fate your old one did... 8)
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Unread postAuthor: Panzerfaust » Sun Nov 23, 2008 8:42 pm

Very nice, with an air chamber that big i bet that packs a wallop. I would HIGHLY recomend some sort of brace in between your barrel and air chamber, i managed to crack my Mauler with recoil forces... so i would be carefull to put in plenty of support as your valve is holding the wieght of that large air chamber too.


(BTW i noticed "Sangheili" below your name...a fellow fan eh?)
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Unread postAuthor: psycix » Mon Nov 24, 2008 3:33 pm

And the piece between valve and chamber is sch-40 steel

Well done!

Yet still, I would make a barrel support just to add some stiffness and strength.
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Unread postAuthor: frankrede » Sun Dec 21, 2008 12:52 pm

[youtube]http://www.youtube.com/watch?v=qYDYOB_P_UU[/youtube]
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