My M-55 Combustion Spud Gun.

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.
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Tombstone
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Thu Aug 01, 2013 4:44 pm

Hi guys! Im a new member and long time fan of anything that goes "Bang!" or "Boom!", and anything in between!! :) Here is my latest creation! :) Tell me what you think :)

Video of a few shots : [youtube][/youtube]

Pics : http://s168.photobucket.com/user/GREY_T ... SPUD%20GUN
Last edited by jrrdw on Fri Oct 18, 2013 7:32 pm, edited 2 times in total.
Reason: Fixed video.
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Gun Freak
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Thu Aug 01, 2013 7:34 pm

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Sweet! How'd you make that spark plug? Welcome :D
OG Anti-Hybrid
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Tombstone
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Thu Aug 01, 2013 11:26 pm

@ Gunfreak, It came with the BBQ Piezo igniter kit i bought, originally, the "spark plug" was encased in a chrome plated steel box, about 3 in. X 1in. X 1 in. , I just cut the box into a folded triangle to make the other electrode :)
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jackssmirkingrevenge
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Fri Aug 02, 2013 1:14 am

Very nice, love the look. How are you fuelling it?

Also, not sure uploading videos of you shooting at those signs is a good idea, aren't you damaging public property?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Tombstone
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Fri Aug 02, 2013 10:03 pm

jackssmirkingrevenge wrote:Very nice, love the look. How are you fuelling it?

Also, not sure uploading videos of you shooting at those signs is a good idea, aren't you damaging public property?
@Jack, Thx man! I appreciate the comments! And i fuel it with butane :) Also, for the 2 scenes in my vid, where "someone" shoots 'taters at a sign, 1) in those scenes, only the sign is visible, no proof of me being the one shooting, 2) only the spuds were damaged during filming of the video and the second potato was vaporised, no evidence.., so, im pretty sure im safe ;)
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Sat Aug 03, 2013 1:37 pm

Nice finish man. I love the look. Although the sight seems kind of unecessary. :)
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Sat Aug 03, 2013 4:49 pm

Blitz wrote:Nice finish man. I love the look. Although the sight seems kind of unecessary. :)
Thx man! ..yeah, the sight is just for looks :)
..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Sun Aug 04, 2013 12:55 am

Here my latest mod/improvement for my M-55!
Made a Chamber add-on/extension with fan, and the control/PSU for it :)
Note : this is my 1st ever electronic "montage", but it works perfectly and as far as i know, looks dang good for a first try! :P
Anyway, feel free to tell me what you think! :)

The control box/PSU will be fitted to the side or the existing chamber.
Parts for the controll/psu :
1 6cmX11cmX3cm plastic box
2X 9v batteries in series
1X12v Regulator
1X covered 2 way toggle switch, "Arming switch"(turns batt power on)
1X 2 way lighted(red) rocker switch, "On switch" (turns fan on)
1X Green "on" light
Circuit Connected to fan "module" via 2 pin M/F fan PC connectors ;)

http://s168.photobucket.com/user/GREY_T ... 0and%20PSU
..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Sun Aug 04, 2013 1:13 am

Outstanding. That's a nice addon. I think you did fine!

Where does that thing mount?
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Tombstone
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Sun Aug 04, 2013 7:48 am

Thx Blitz! :) The addon screws in place of the existing 4 in. chamber plug, and the plug screws back into the fan addon :) and today i'll fit the control box to the outside of the existing chamber :) I'll post some pics later today!
..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Mon Aug 05, 2013 2:15 am

Here is the finished and mounted fan addon, fan control and PSU :)

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..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Tue Aug 06, 2013 10:16 am

A few pics of muzzle flashes from my M-55 ;)

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..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Blitz
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Tue Aug 06, 2013 2:29 pm

Sweet. I wonder what the flame from mine would look like in the dark. :)
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Tombstone
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Tue Aug 06, 2013 4:05 pm

Blitz wrote:Sweet. I wonder what the flame from mine would look like in the dark. :)
Film some night shots and use VLC to take snapshots of the frames where you see the muzzle flash :)
..."Cannons to right of him,
Cannons to left of him,
Cannons in front of him
Volley'd and thunder'd;
Storm'd at with shot and shell,
Boldly He rode and well,
Into the jaws of Death,
Into the mouth of Hell
Rode the Tombstone."...
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Blitz
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Tue Aug 06, 2013 4:06 pm

Well yeah, but I need to finish building first :)
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