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Most users ever online was 101 on Fri Nov 22, 2013 4:13 pm
If made a few weeks ago 2 exactly aircannons.
- 30cm 2" steel pipe
- 1m 22mm copper barrel
- sanded with fine steelwool and directely varnished
- exhaust valve, a simple 1/2" ballvalve
- compressor fitting
- 16 bar manometer
heh not very advanced but still pretty cool
nice to see you back
Children are the future
unless we stop them now
Nice clean build you got there. As Poland said, not too advanced, but what the heck??? Its a cannon right!! Welcome back to the forum!!
Back to building boilie cannons I see...
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!
Can't ask for a better compliment!!
Awesome job. The metal looks great with that shine. It looks like it could shoot stuff a long way.
That's quite a jump from a ball valve pneumatic More details on the hybrid build?
Indeed. But i made combustions and pneumatic piston Valved cannons before. But that was a few years ago when spudtech forum was still alive.
It will be a burst disk hybrid with 1 1/2" pipes.
More info in a couple of days in section hybrid cannons.
Not to sound like a total arse, but if you wanted to check the integrity of a pipe...steam is the absolute MOST dangerous way to do so.
Not only does the heat reduce the safe working pressure of the pipe, but high pressure steam is a VERY energetic medium when suddenly released to atmosphere.
Get yourself a grease gun, fill the pipes with oil and pressurize with the grease gun...with the air properly eliminated from the system, any failure will be very anticlamatic.
"It could be that the purpose of your life is to serve as a warning to others" – unknown
Liberalism is a mental disorder, reality is it's cure.
Today i get it to 60 bars.
I think you don't understand my method.
I just fill the whole chamber with water.
On the union i connect a long 3/4" pipe also filled with water.
There is no are in the whole system.
Then i take a gas burner and i not minutes the meters go like crazy, 10,20,30,... bar. I think i reached 60bars in just 45seconds.
More info coming soon.
yeah but if your next to it when it blows witch is more likely since its hot, the steam will make it explode worse then if it was just air and don't the boiling hot water/super headed steam that's gonna burn the feck out of you, if your close.
'' To alcohol... The cause of, and solution to, all of life's problems.”
Add me on ps3: wannafuk, 8/11/11 cant wait
I my eyes, it is not steam, but just the water that is expanding.
Or i'm wrong? When i open the ball valve, its just a little bittle pressure water that escaped.
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