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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spudmatic
- Private 2
- Posts: 32
- Joined: Fri Apr 11, 2008 5:11 pm
Fri May 02, 2008 4:40 pm
Your power issue is probably due to the size of that chamber(its pretty small) if you ever decide to make another I would suggest bigger chamber and barrel. But still very nice work nice to see alternatives to pvc and abs.
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Eddbot
- Specialist 4
- Posts: 434
- Joined: Tue Oct 09, 2007 6:08 pm
Fri May 02, 2008 10:07 pm
thanks guys, but for some reason, every time i shoot it, it gets more powerful, i fired it a couple times today, and the pellet bounced off my across-the-street neighbors garage with enough energy left to bounce half-way back across the street, so previous power assumptions are... i don't know, but it seems pretty strong for the inadequate C:B ratio, it's inaccurate, but if you got hit it'd probably sting pretty bad
:edfirst:
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psycix
- Sergeant Major 4
- Posts: 3684
- Joined: Mon Jun 25, 2007 7:12 am
- Location: The Netherlands
Sat May 03, 2008 4:57 am
bluerussetboy wrote:It's called R-value. A material’s R-value is the measure of its resistance to heat flow. Go back to school
Could you bring some numbers or a calculation with you?
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starman
- Sergeant Major
- Posts: 3027
- Joined: Wed Dec 12, 2007 12:45 am
- Location: Simpsonville, SC
Sat May 03, 2008 9:16 am
Being the spray-and-pray that it is, you'll probably get wide swings in performance especially with the relatively small chamber you have there...just hard to nail the right amount of fuel each time.
I still like it...any burning wood smell yet?..
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Eddbot
- Specialist 4
- Posts: 434
- Joined: Tue Oct 09, 2007 6:08 pm
Sat May 03, 2008 9:58 am
it's a combination of wood and static gaurd, so it's quite an interesting smell
:edfirst:
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psycix
- Sergeant Major 4
- Posts: 3684
- Joined: Mon Jun 25, 2007 7:12 am
- Location: The Netherlands
Sun May 04, 2008 6:37 am
Eddbot wrote:it's a combination of wood and static gaurd, so it's quite an interesting smell
Could you define "interesting"?
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Eddbot
- Specialist 4
- Posts: 434
- Joined: Tue Oct 09, 2007 6:08 pm
Sun May 04, 2008 11:21 pm
psycix wrote:Eddbot wrote:it's a combination of wood and static gaurd, so it's quite an interesting smell
Could you define "interesting"?
probably not too well, but it's pretty strange
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