Gort's Blue Flame III (Don't forget to watch the video!)

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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sgort87
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Tue May 01, 2007 9:50 am

Thanks.

1) Nope. Besides, I hold the barrel with my left hand because it's comfortable anyway.

2) Nope. The Blue Flame I had holes in its clear chamber and when it cracked from being shot in cold weather, the crack was nowhere near the screws.
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deusXmachina
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Tue May 01, 2007 11:28 am

Hot damn! That is just downright gorgeous! I love how clean the setup is. Is it water resistant? It looks like all the electrical workings are contained. I know PCGUY said he was looking for ingenuity, well I think that three way valve is certainly ingenious.
"On a scale from 1-10, I hope you fall in front of a bus."

:white stuff pours out of piston: "What is that? It looks like milk."
"....<i>Well...</i> it's not milk."

YAAAAAAAAYYYY WE'RE DOOMED!
iknowmy3tables
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Tue May 01, 2007 4:59 pm

very gooder, what kind of valve did you say that injection used, it could be used for semi pneumatics
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Velocity
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Tue May 01, 2007 6:53 pm

...wow...

When you told me about this a few weeks ago, I knew it would be good...but not THIS good! Everything seems so easy and ergonomic! I really like the look of the hoses and compression fittings instead of threaded pipe fittings or barbed adapters... really cleans things up.

This is by far the nicest combustion that I have ever seen before... it will be hard to beat this one in the competition!
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frankrede
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Tue May 01, 2007 9:14 pm

dang Sgort.
I was working on a cover under combustion for teh contest:(
Well I guess I'll just submit it as a regular.
Oh, and this cannon, is truly a work of art.
Do you plan on selling this one launch potatoes too?
Sounds like it would sell well. but takes more time to build.

AH I'm jealous of your skills.
Current project: Afghanistan deployment
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sgort87
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Tue May 01, 2007 9:56 pm

No, Frank, please do enter your cannon. This contest isn't about winning. It's about sharing ideas and discovering new advancements. I'd love to see what you have to offer. (Not being sarcastic, really.)

I might put these up for sale. A few have asked me about that, and actually, it isn't too much more involved assembly-wise than the Blue Flame II.

I have learned a lot from my building experience. Take these words seriously. (Not aimed at Frank or anyone specifically.) Most people don't follow them but it will make you a much better builder:

-Looks are EVERYTHING. Use nice paint. Tape things off. Use clear primer. Have paper towels in hand while gluing.
-Performance comes in at a CLOSE second.
-Ergonomics are not far behind.
-ALWAYS plan ahead. Do research. Become familiar with what's out there.
-Use the tool for the job. Stop using a hack saw. Stop using the wrong bit. Get a tap kit.
-Be patient! Be patient! BE PATIENT! I can't tell you how many times I forked something up because I was excited and could not wait. I tell Boomer all the time to slow down and think it over before doing something. That one there is probably the best advice I can give.

I'm tellin ya. I think any of you guys could build like this if you wanted to.
Last edited by sgort87 on Tue May 01, 2007 10:32 pm, edited 1 time in total.
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JDP12
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Tue May 01, 2007 10:12 pm

EXCELLENT gun and excellent advice sgort.....That is true....Thanks for the inspiration.....Lol no I'm actually being pretty serious..But I'd have to disagree with looks being first.....although I can see how thats important to you as a businessman......To me, performance is first......But the plan ahead part is excellent advice!!
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sgort87
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Tue May 01, 2007 10:31 pm

Well, there comes a point where I cant get performance any higher. Since it's built to maximum performance, looks are the first priority. :wink: :D

Thanks.
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rna_duelers
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Wed May 02, 2007 5:19 am

True True about the looks,you never see an ugly looking spudgun being pampered by hundreds of comments.

There is one VERY simple way to stop that Latke venting from dangling there.Were the piece of steel is at the back to guide the rod for the sealing face on the venting disc all that would be needed is a simple piece of tubing,be it steel PVC or anything.So the Threaded rod is kept straight by the tube instead of being able to dangle.

Threw together some simple drawings in paint hope you understand them.
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The yellow is the tube,used ot keep the rod straight while you vent etc and to also stop the threaded rod from making that noise.
The yellow is the tube,used ot keep the rod straight while you vent etc and to also stop the threaded rod from making that noise.
sgor.jpg (10.35 KiB) Viewed 3111 times
The version on your gun now.They were just throw together drawings.
The version on your gun now.They were just throw together drawings.
sgo.jpg (10.07 KiB) Viewed 3111 times
Image
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Insomniac
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Wed May 02, 2007 5:44 am

Good idea rna, but I think it would be better if it had another support, like this:
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sgor_869.jpg
sgor_869.jpg (11.12 KiB) Viewed 3107 times
I wonder how much deeper the ocean would be without sponges.
Right now I'm having amnesia and deja vu at the same time. I think I've forgotten this before.

Add me on msn!!! insomniac-55@hotmail.com
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sgort87
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Wed May 02, 2007 7:31 am

Not a bad idea. I guess I better get a welder...
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lukemc
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Wed May 02, 2007 4:40 pm

ha i was a bit confused watching the video so my sound was way down and the whole time you where loading and fireing i was thinking how inconvenient the is because it takes sooo long to load then i turned the volume up and i was supprised at how awsome that was! great build
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frankrede
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Wed May 02, 2007 9:22 pm

sgort87 wrote:No, Frank, please do enter your cannon. This contest isn't about winning. It's about sharing ideas and discovering new advancements. I'd love to see what you have to offer. (Not being sarcastic, really.)

I might put these up for sale. A few have asked me about that, and actually, it isn't too much more involved assembly-wise than the Blue Flame II.

I have learned a lot from my building experience. Take these words seriously. (Not aimed at Frank or anyone specifically.) Most people don't follow them but it will make you a much better builder:

-Looks are EVERYTHING. Use nice paint. Tape things off. Use clear primer. Have paper towels in hand while gluing.
-Performance comes in at a CLOSE second.
-Ergonomics are not far behind.
-ALWAYS plan ahead. Do research. Become familiar with what's out there.
-Use the tool for the job. Stop using a hack saw. Stop using the wrong bit. Get a tap kit.
-Be patient! Be patient! BE PATIENT! I can't tell you how many times I forked something up because I was excited and could not wait. I tell Boomer all the time to slow down and think it over before doing something. That one there is probably the best advice I can give.

I'm tellin ya. I think any of you guys could build like this if you wanted to.
Well My dads credit card information was stolen, so he deactivated all of his cards just to be safe, so I can't really order much parts until he gets everything cleared up/
He can get money from the bank but I'll just wait.
Then again I don't believe I need to order any parts?
Clear primer?hmmm Idk.
My cannon regardless of when I get parts won't be finished for at least 2 weeks, so contest is out of question.\
Ha, now that I think about it, I made a hybrid before I even made a advanced combustion.
Well my hybrid project started out as a regular combustion until I the guy at the Pipe supplier brought my sch-80 pipe and fitting instead of sch-40.
So I'll se how this cannon turns out.
Current project: Afghanistan deployment
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Mon May 07, 2007 3:25 pm

That propane metre is awsome! :D
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FeLeX
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Fri May 11, 2007 8:44 am

Great cannon man!!!

How much did that 3 way valve cost you? Where did you get it from? Would a store like HomeDepot carry them or do I need to get them online?
Do you have some kind of pop off valve on it so that it stops puting propane in the pipe at the right PSI?
If not, then do you have some kind of pressure guage and you wait till right PSI and inject the propane?

Thanks man. Again, very clean and nice gun. Great idea on the 3 way valve.
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