UPDATE: TG6 semi (almost)

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.
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Carlman
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Mon Jun 16, 2008 4:37 am

Hi all,

This is a creation i made using my 1/4" SMC QEV i purchased a while back.

Valve: 1/4" QEV
Barrel: 30cm of 4.5mm brass
Chamber: 15mm brass nipple
Pilot: 1/4" BV
Fill: Scrader

Its name TG6 stands for Test Gun 6mm and is this because of its purpose other than destroying crap with lead splitshot...testing the world of QEVs and boy was i impressed!

This can punch a lead bb through 3/4" ply at 250psi easy done. i mainly use it at 250 thanks to my HP floor pump which i got before MrCrowley lol

The pilot valve, 1/4" BV, pilots through the cored scrader valve (fill).

it is breachloaded by unscrewing barrel out of valve, i cut half thethreads of nipple.

here are some pics, damage up tomorrow.

edit: sorry guys it was actually 1/2" ply :oops:

damage pics and vids are in a later post
Attachments
whole gun
whole gun
frontside
frontside
pilot/fill setup
pilot/fill setup
fits very nicely into my hand.
fits very nicely into my hand.
Last edited by Carlman on Thu Apr 02, 2009 12:15 am, edited 4 times in total.
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hotknife ralphie
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Mon Jun 16, 2008 5:55 am

Looks pretty good, I'm guessing it doesn't weigh an unbearable amount seeing as you can hold and shoot with one hand. Is there any degree of accuracy to it?
By the way, how much did your QEV set you back? SMC is about the only place I've seen them over here.
Anyways, can't wait to see holes through stuff.
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TwitchTheAussie
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Mon Jun 16, 2008 6:42 am

Nice work mate. Any damage pics? :wink:
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Mitchza89
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Mon Jun 16, 2008 7:14 am

Through 3/4 ply??? :shock: Jesus dude...

Bloody well done...
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SpudFarm
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Mon Jun 16, 2008 8:23 am

well that is one heck of a nice "gun"

that would have got my vote on the favorite gun on the site (without FEAR and the ETG)

you just inspired me to set my next project. a high pressure very small bore pneumatic and the mini hybrid will have to wait.


that is the best micro launcher i have seen! :)
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POLAND_SPUD
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Mon Jun 16, 2008 8:55 am

very nice and clean design.... where did you get those fittings? - they look great
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bigbob12345
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Mon Jun 16, 2008 9:05 am

Very nice little gun
I would really enjoy a couple damage pics or vids though.
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Carlman
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Mon Jun 16, 2008 10:17 am

Thanks guys, to tell you the truth i did not post this because i didnt think people would like it lol

I have another couple of guns not posted including a small HP burst disk which i will be sure to post up.

Thanks mitch

SMC is about the only place ive seen to get QEVs except the net of course from which i just scored 6 15mm qevs for 50$ all up inc shipping. its bloody accurate with homemade nail darts.

Have fun spudfarm they are great, 3 pumps and im at 220psi :D

I got the fittings from bunnings except the schrader which i got from a scooter inner tube.

Damage on the way guys.
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SpudFarm
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Mon Jun 16, 2008 10:21 am

Carlman wrote:i did not post this because i didnt think people would like it lol.
it's freaking brilliant! hit my heart there! :D
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Carlman
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Sat Jun 21, 2008 1:55 am

heres damage guys

ammo was steel 4.5mm bbs

didn't get much but its a start.

all shots were at 240psi


8 coke cans

[youtube][/youtube]

full coke can

[youtube][/youtube]

deo can half full

[youtube][/youtube]
Attachments
100_0956.JPG
all 8 have exit holes
all 8 have exit holes
backstop
backstop
100_0959.JPG (22.3 KiB) Viewed 6740 times
hydrofication (sp?)
hydrofication (sp?)
deo can
deo can
100_0964.JPG (30.97 KiB) Viewed 6740 times
deo can
deo can
100_0965.JPG (35.47 KiB) Viewed 6740 times
side of ply<br /><br />sorry guys it was 1/2&amp;quot; not 3/4&amp;quot;
side of ply

sorry guys it was 1/2&quot; not 3/4&quot;
entry
entry
100_0967.JPG (20.49 KiB) Viewed 6740 times
exit
exit
100_0969.JPG (23.06 KiB) Viewed 6740 times
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MrCrowley
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Sat Jun 21, 2008 2:09 am

Carlman wrote:thanks to my HP floor pump which i got before MrCrowley lol
I'm afraid it's true people, i'm sorry to have let you all down :D


Not sure how I missed this one, boy I love small bore high pressure bb guns and you did a nice job with this one. It looks pretty awesome too. :P
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Lentamentalisk
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Sat Jun 21, 2008 3:21 am

you are supposed to shoot the deodorant when it is in a fire, but none the less, really nice job.
Make sure to practice pulling that trigger really fast. The speed you get varries greatly with the speed at which you open the ball valve, as I learned with my almost sonic cannon tests with a chrony here: http://www.spudfiles.com/forums/pics-up ... rt,15.html
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Carlman
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Sun Jun 22, 2008 1:15 am

Lentamentalisk wrote:you are supposed to shoot the deodorant when it is in a fire, but none the less, really nice job.
Make sure to practice pulling that trigger really fast. The speed you get varries greatly with the speed at which you open the ball valve, as I learned with my almost sonic cannon tests with a chrony here: http://www.spudfiles.com/forums/pics-up ... rt,15.html
what about the gun...

thanks MrC!
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spud yeti
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Sun Jun 22, 2008 2:05 am

good one on putting the ball valve so close to the QEV, almost illiminating pilot volume. that helps a lot.
@ lentamentalisk: i agree with you, so carlman, how about springloading the ballvalve?
really good quote/phrase here
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Carlman
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Sun Jun 22, 2008 2:09 am

the only thing with spring loading is that the way i fill it is oen BV pump close BV take off pump then open BV to fire. If i was to spring load it i would need to hold it closed because there isn't much room for a nice mech to open it in there.

it is nice to open as it and im probably going to make the handle more trigger like soon.

Yea it has almost no pilot vol, its great :D
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