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.
Petitlu
Corporal 4
Posts: 807 Joined: Fri Jun 03, 2011 4:52 am
Tue Nov 06, 2012 4:39 pm
Hi, I present the Poly-19, made in 1 hour!
Barrel and fittings PVC-P, chamber polycarbonate.
Cal: 19mm, 720mm barrel.
Chamber: D40mm, L: 340mm
Multi piezo ignition point.
This is a prototype, so!
[youtube]
VIDEO [/youtube]
Last edited by
jrrdw on Thu Oct 24, 2013 2:07 pm, edited 1 time in total.
Reason: Fixed video.
jackssmirkingrevenge
Five Star General
Posts: 26179 Joined: Thu Mar 15, 2007 11:28 pm
Has thanked: 543 times
Been thanked: 321 times
Tue Nov 06, 2012 4:45 pm
Superb!
Interesting to see the effects of multiple ignition points, you can clearly see the difference - Bravo!
Also, love those Brenneke slugs... that barrel needs to go on ThorJack too
hectmarr wrote: You have to make many weapons, because this field is long and short life
Petitlu
Corporal 4
Posts: 807 Joined: Fri Jun 03, 2011 4:52 am
Tue Nov 06, 2012 4:54 pm
thank you
For Thorjack, I would need a gun metal!
And 19mm internal, it is difficult to find ...
For ignition tests, I've done a lot, I have videos!
jackssmirkingrevenge
Five Star General
Posts: 26179 Joined: Thu Mar 15, 2007 11:28 pm
Has thanked: 543 times
Been thanked: 321 times
Wed Nov 07, 2012 12:48 am
Petitlu wrote: For Thorjack, I would need a gun metal!
And 19mm internal, it is difficult to find ...
I used PVC pipe as a barrel for hybrids up to 15x:
The heavy duty stuff, I believe what the Americans call Schedule 40 - roughly 1" outside diameter, 0.75" inside.
It works great
[youtube]
VIDEO [/youtube]
For ignition tests, I've done a lot, I have videos!
Looking forward to seeing them
Last edited by
jrrdw on Thu Oct 24, 2013 2:03 pm, edited 1 time in total.
Reason: Fixed video.
hectmarr wrote: You have to make many weapons, because this field is long and short life