how to best burst a burst disk?

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
User avatar
JDP12
Staff Sergeant 5
Staff Sergeant 5
Posts: 1943
Joined: Fri Mar 30, 2007 8:34 pm

Thu Oct 02, 2008 7:10 am

yea well see Davidvinai- i dunno how much power that'll give as someone said above...

stillt rying to decide so keep the opinions comin!
User avatar
jackssmirkingrevenge
Five Star General
Five Star General
Posts: 26179
Joined: Thu Mar 15, 2007 11:28 pm
Has thanked: 543 times
Been thanked: 321 times

Donating Members

Thu Oct 02, 2008 7:53 am

I would go with option one, with a high flow air input and a disk that will burst immediately at the pressure you're using - play around with number of layers to get an optimum strength.

The thing with option 2 is that you still have to open the ball valve as quickly as possible, and this makes it therefore much harder to aim.
hectmarr wrote:You have to make many weapons, because this field is long and short life
User avatar
jor2daje
Specialist 4
Specialist 4
Posts: 418
Joined: Sun Oct 05, 2008 9:41 pm
Location: Southern California

Mon Oct 06, 2008 6:51 pm

I have been thinking about making one of these too and i thought you could do something with magnets, maybe a magnet with a nail on the end in a tube, then glue the tube to the inside of the chamber. Then on the gun part you have a magnet connected to a trigger this magnet pushes the other one with the nail connected and the nail bursts the disk. I haven't tried this yet but maybe it will work.
User avatar
Hotwired
First Sergeant 3
First Sergeant 3
Posts: 2599
Joined: Fri Oct 13, 2006 5:51 am
Location: UK

Mon Oct 06, 2008 8:21 pm

At least some birdstrike testing cannons seem to have used burst disk mechanisms. The example I've read used a ceramic disk to seal the chamber and a needle rammed by a solenoid to burst it.
User avatar
jackssmirkingrevenge
Five Star General
Five Star General
Posts: 26179
Joined: Thu Mar 15, 2007 11:28 pm
Has thanked: 543 times
Been thanked: 321 times

Donating Members

Mon Oct 06, 2008 11:49 pm

Hotwired wrote:a ceramic disk to seal the chamber and a needle rammed by a solenoid to burst it.
Bone china shotgun, what a concept! :D
hectmarr wrote:You have to make many weapons, because this field is long and short life
Post Reply