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| nathan244 |
 Posted: 04/11/2008 21:00 PM Post subject: Help Plse wit me makin my 1st mini spud gun |
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Private
Joined: 11 Apr 2008
Posts: 9
23.27 Spud Bux
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I am makin my first combustion spud gun.
Does a bigger combustion chamber give more velocity??
i searched everywhere for the answer for this question but can't find an answer |
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| mopherman |
| Posted: 04/11/2008 21:04 PM Post subject: |
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Brigadier General
Joined: 03 Feb 2007
Posts: 794
842.90 Spud Bux
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http://www.spudfiles.com/spud_wiki/
Everything that you could ask is in the wiki. Whereabouts did you actually search? I would look into db ratios and other combustion areas before trying to build anything.
EDIT- yes. and try to use better grammar and common sense in your posts 
Last edited by mopherman on 04/11/2008 21:05 PM; edited 1 time in total |
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| jrrdw |
| Posted: 04/11/2008 21:04 PM Post subject: |
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Donating Moderator
Joined: 16 Nov 2005
Posts: 3032
4669.97 Spud Bux
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If it increases that amount of force propelling the ammo, I think so. Yes. Why wouldn't it?
Welcome to Spudfiles, post some pictures of your mini when finshed, I'd like to see it. |
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| Spuddin |
| Posted: 04/11/2008 21:17 PM Post subject: |
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Donating Member
Joined: 16 May 2007
Posts: 260
664.94 Spud Bux
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WTF? better grammar? how about using some better courtesy, its his first post dude.
BTW welcome and i think your on the right track nathan |
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| STHORNE |
| Posted: 04/11/2008 21:20 PM Post subject: |
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Master of Spuds
Joined: 14 Feb 2007
Posts: 1167
494.81 Spud Bux
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yes, atleast its a sensible question that isn't completely noobish like
"how do i make a mini"?
or
"whats a good fuel"?
so keep up the good work nathan, searching won't hurt you lol.
welcome to the addiction |
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| mopherman |
| Posted: 04/11/2008 22:26 PM Post subject: |
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Brigadier General
Joined: 03 Feb 2007
Posts: 794
842.90 Spud Bux
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| Spuddin wrote: |
WTF? better grammar? how about using some better courtesy, its his first post dude.
BTW welcome and i think your on the right track nathan |
Of course, were are my manners? I sometimes forget that some things aren't as obvious as they seem.
to clarify my first answer, performance increases until you reach a certain cb threshold and then its just wasted space. |
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| XxtriviumxX |
| Posted: 04/12/2008 6:30 AM Post subject: |
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Master Sergeant
Joined: 18 Apr 2007
Posts: 167
305.91 Spud Bux
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Yeah most newbies (including myself recently) directly ask "how do I make a spudgun", or paintball gun, whatever they come up with... Welcome to the forum... read as many new posts as possible.. you can learn alot.  |
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| nathan244 |
| Posted: 04/15/2008 1:27 AM Post subject: |
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Private
Joined: 11 Apr 2008
Posts: 9
23.27 Spud Bux
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| i don't wanna double post bcuz im still sumhow in the top of the mini disscusion so im gona ask another question. i use a touch hole and deoderant for my combustion mini spud gun. when i spray the chamber then shove the lighter through the touch hole and press the button it just won't shoot. ive tries using less with a blow of my breathe and ive tries a bit more and blow with my breathe and i tried spraying heaps then wave the camber around a couple of times none seams 2 work.ive tried 3 different deoderants. all contain brutane, isobrutane and propane and some others. |
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| ajdevi92 |
| Posted: 04/15/2008 1:33 AM Post subject: |
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Major
Joined: 23 Nov 2007
Posts: 352
396.92 Spud Bux
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| make sure your not putting to much fuel in, got to get that mix just right |
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| nathan244 |
| Posted: 04/15/2008 1:39 AM Post subject: |
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Private
Joined: 11 Apr 2008
Posts: 9
23.27 Spud Bux
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| i think its a ignition problem. i think the bqq lighter in the touch hole isn't sparking or is sparker is too deep in the nose |
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| XxtriviumxX |
| Posted: 04/15/2008 4:27 AM Post subject: |
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Master Sergeant
Joined: 18 Apr 2007
Posts: 167
305.91 Spud Bux
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How old is the spark lighter?... After to many uses they need replacing, grab both the wires in the lighter... hold them about 3mms apart facing each other and then give it a few clicks... if you see a spark between the wires it should be working fine.
As ajdevi92 said, make sure your not putting in to much fuel, otherwise there wont be enough oxygen in the chamber, and as we all know fire and combustions need both fuel and oxygen to work. |
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