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.
-
chaos
- Sergeant 3

- Posts: 1205
- Joined: Wed Jan 17, 2007 8:31 am
Wed Apr 04, 2007 8:41 am
nah dw bout that i had a bdm(brain dead moment) it doesn't really matter what c:b ratio u use as long as you have more pressure in the chamber than the barrel.

i use a bit over 2:1 but opinions vary from person to person
as joannaardway said 1:1 is fine an can achieve amazing results.
-
chaos
- Sergeant 3

- Posts: 1205
- Joined: Wed Jan 17, 2007 8:31 am
Wed Apr 04, 2007 9:01 am
im sure that a lot of guns could accomplish that, but hey damage pics are always kool.
q: what did ya use for ammo to do that?
-
spanerman
- Specialist 4

- Posts: 437
- Joined: Sun Sep 17, 2006 2:54 pm
-
chaos
- Sergeant 3

- Posts: 1205
- Joined: Wed Jan 17, 2007 8:31 am
Wed Apr 04, 2007 11:26 pm
oh yer lol thats some nice ammo but i bet it spins after 10-15m.
and whats your suggestion on how fast it was traveling?
soz i didn't see it properly before, i was at mums an it only half loaded the pic.
-
lukemc
- Corporal

- Posts: 565
- Joined: Sun Feb 25, 2007 8:48 am
- Location: NY
Thu Apr 05, 2007 7:43 am
that screw / bolt things scary! is it accurate?
"Those who are different change the world. Those who are the same keep it that way"
-
spanerman
- Specialist 4

- Posts: 437
- Joined: Sun Sep 17, 2006 2:54 pm
Thu Apr 05, 2007 11:00 am
well i can consistently hit cans at 10m with itbut ive retired it as it no longer fits in the barrel and its destroyed my backstop

-
Flying_Salt
- Corporal 3

- Posts: 779
- Joined: Mon Oct 09, 2006 4:57 pm
- Location: Texas
Thu Apr 05, 2007 11:31 am
A little late, but that's a nice little cannon. I would build something out of copper, but I don't have the tools for soldering anything. (Plus its so darned expensive over here!)
You should see if you'd be able to mod a blowgun. They look a lot nicer and are eaiser to open than ball valves. (And yours seems to have no rubber handle cover thing on it, so it's probably not too comforable.)
I think some arrow shops, where you buy hunting arrows, might have little chronys. I know one near me does. If you convince them and offer them gummy bears and marshmallows, they might let you use it, if you promise not to blow it apart. I brought in a picture of my pneumatic (over/under thingie. maybe I should get around to posting it) and they said it was too big, it was a real weapon, eat moose with fishpaste, and stuff like that.
Also, to whoever said the average bore is growing smaller (was that joanna?) I think its because of all the mini whores that are now here.
-
spanerman
- Specialist 4

- Posts: 437
- Joined: Sun Sep 17, 2006 2:54 pm
Thu Apr 05, 2007 11:33 am
no bow hunting in this country

but i am a regular archer might be able to ask around my club to see if anyone has one. il get back to you on it

-
leeeeshad
- Private 2

- Posts: 35
- Joined: Mon Jan 22, 2007 12:56 pm
Thu Apr 05, 2007 2:39 pm
do u find its quieter with loser fiting stuff like that bolt than eith sealed stuff like spuds?
chubster wrote:how do you saw the head off the nail?
-
spanerman
- Specialist 4

- Posts: 437
- Joined: Sun Sep 17, 2006 2:54 pm
Sat May 05, 2007 1:09 pm
UPDATE

testing(320psi)
need to finish it off with a 1/4inch check valve and 3/4-1/2 bush hopfully will be nicer to use:)
What you think?
-
spudthug
- Corporal 5

- Posts: 936
- Joined: Mon Feb 26, 2007 9:02 pm
- Location: johnsonburg, Pa USA
-
Contact:
Sun May 06, 2007 7:02 am
wow...and there is no way u tested it at 320 psi..that qev would have gone at 200..its rated to probably 145-160
ur gun is awesome..those compression fittings are pimp!!
4" piston valved cannon-half done..( i spilt my cement...)
Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..