Page 2 of 6

Posted: Tue May 29, 2012 8:28 am
by POLAND_SPUD
now please test it with some stuff (e.g. wires) put in the chamber
just like mythbusters did in their episode on sewage pipes & explosions

Posted: Tue May 29, 2012 8:36 am
by Petitlu
wires? ok
I have tested by putting a heavy projectile and a rupture disc is a piece of tape, I could shoot a burning very interesting!

Image

Posted: Tue May 29, 2012 11:31 am
by Petitlu
video :

[youtube][/youtube]


[youtube][/youtube]

Posted: Tue May 29, 2012 12:13 pm
by POLAND_SPUD
ohh it's awesome - LOVE how at 0:13 you can see the sabot being sucked back into the chamber
guess it took too long for a large projectile to accelerate so the temperature, and thus pressure, dropped

so did the wires increas flamefront propagation speed? (lol DYI I admit I don't even know what it means)

Posted: Tue May 29, 2012 12:24 pm
by Petitlu
last video :

[youtube][/youtube]

Posted: Sun Jun 03, 2012 10:58 pm
by boyce123
would it be possible for you to put a chamber fan in to view the suposed 'vortex' that is generated.

Posted: Sun Jun 03, 2012 11:46 pm
by jackssmirkingrevenge
Interesting idea, I'll see if I can put a fan in mine.

Posted: Mon Jun 04, 2012 12:59 am
by boyce123
no matter how, the introduction of a chamber fan generally creates more power, it would be interesting to see how/why this occurs, this idea was brought up by fnord, but it was glossed over on the first page... i didn't want to take credit for the idea

Posted: Mon Jun 04, 2012 1:10 am
by Petitlu
Can I put a fan in the room, it's not a worry! I've done tests with the wires at the request of a menber!
:D

Posted: Thu Jun 07, 2012 2:01 pm
by Petitlu
as promised, the fan! I only made ​​tests with butane as well. I used the fan to mix the air and butane

[youtube][/youtube]

Posted: Thu Jun 07, 2012 2:06 pm
by al-xg
It would be nice to try some shots with he fan on during combustion as a comparison; I am assuming that was what boyce123 was talking about ?

Posted: Thu Jun 07, 2012 2:16 pm
by Petitlu
you want me to draw while the fan is running?

Posted: Thu Jun 07, 2012 2:19 pm
by al-xg
Yes, increased turbulence in the chamber is meant to cause faster combustion.

Posted: Thu Jun 07, 2012 2:22 pm
by Petitlu
ok
I'll see it tomorrow!
I made one last shot (sadly not filmed), a real gun, the most violent of all!

Posted: Fri Jun 08, 2012 5:44 am
by jackssmirkingrevenge
I gave it a go withthis, look at that flame!

[youtube][/youtube]