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2” .156 wall Dom

Well damn. Alum tube I have at the shop is 1.875 x 1.625. Too small.
 
If you’re gonna try to stop all the leaks, careful tightening the valve. Very chinesium. Little brass and nipple from the back room, ready to go.
IMG_1316.jpeg

You find any tube OP? I’m doing 2” .120 welded seam I have on hand tonight when the boy gets home from school. Experiment a bit.
 
Not yet, I know I just need to nut up and buy it but I don’t want to lol. Probably get some before next weekend and make a project out of it with the kids.
 
I feel like you are reliving my youth:lmao:

I never built one that could launch golf balls but I did build a PVC piston valve gun that would shoot 1/2" steel rods.

Those quick exhaust valves are ok and will probably be fun and safe but pistons are where it's at.

There used to be an odd PVC pipe size that fit golf balls perfectly which you could maybe use as a liner?
 
MigGunslinger said:
I feel like you are reliving my youth:lmao:

I never built one that could launch golf balls but I did build a PVC piston valve gun that would shoot 1/2" steel rods.

Those quick exhaust valves are ok and will probably be fun and safe but pistons are where it's at.

There used to be an odd PVC pipe size that fit golf balls perfectly which you could maybe use as a liner?
Click to expand...
I just like building all the shit now that I couldn’t have as a kid. 🤷‍♂️
 
Blacksheep10 said:
If you’re gonna try to stop all the leaks, careful tightening the valve. Very chinesium. Little brass and nipple from the back room, ready to go.
IMG_1316.jpeg


You find any tube OP? I’m doing 2” .120 welded seam I have on hand tonight when the boy gets home from school. Experiment a bit.
Click to expand...
Does your pop off work? What psi will it let you go to? My gauge is in bar so I sharpied psi’s on it :laughing:
 
surpip said:
Does your pop off work? What psi will it let you go to? My gauge is in bar so I sharpied psi’s on it :laughing:
Click to expand...
8 bar it barely holds. If I don't poke it in with my finger, it will self reset and hold at 6.5 bar or so. Not sure what psi we should be launching at. I have several other pop offs around the shop. 116 psi sounds low.
 
MigGunslinger said:
There used to be an odd PVC pipe size that fit golf balls perfectly which you could maybe use as a liner?
Click to expand...
hmm, worth investigating, you could knurl the id of that a bit maybe, or epoxy something into the side for spin before sliding it into whatever outside containment tube you had to keep shards from impaling bystanders.
 
MigGunslinger said:
I feel like you are reliving my youth:lmao:

I never built one that could launch golf balls but I did build a PVC piston valve gun that would shoot 1/2" steel rods.

Those quick exhaust valves are ok and will probably be fun and safe but pistons are where it's at.

There used to be an odd PVC pipe size that fit golf balls perfectly which you could maybe use as a liner?
Click to expand...
The pvc size is 1 1/2" class 200. It's thin wall so you would want to use it as a liner.
 
ORTitan said:
The pvc size is 1 1/2" class 200. It's thin wall so you would want to use it as a liner.
Click to expand...
Can’t wait to look that up when I get back in front of a computer, hopefully I can find an aluminum tube that easily slips over it
 
Would rifling be appropriate for a golf ball, or would it be a hinderance?

Loose fit is easily remedied with a patch or two made outta your old briefs that the elastic's gone bad on
 
[486] said:
Would rifling be appropriate for a golf ball, or would it be a hinderance?

Loose fit is easily remedied with a patch or two made outta your old briefs that the elastic's gone bad on
Click to expand...
With the dimples rifling doesn't seem necessary. Years ago there was a website called spudgun. There was lots of info there.
 
WLDWUN said:
one of the local guys made a golf ball cannon that he would bring each year. (black powder)
Click to expand...
Did it happen to have a brass or aluminum body cast around a steel DOM barrel?

If so, I'd bet it was cast at CSU, Chico.


EDIT: also FYI, a black powder golf ball cannon will huck a patched 1 lb lead fishing weight through two car doors :eek:
 
ORTitan said:
With the dimples rifling doesn't seem necessary. Years ago there was a website called spudgun. There was lots of info there.
Click to expand...
I remember finding that when I built my tater launcher, really wanted one of their rifled barrels.
 
[486] said:

Golf Ball Launcher - AR15.COM

Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.
www.ar15.com www.ar15.com

huh, tony rumore is one guy that I'd actually trust to give good info
Click to expand...
I agree with not trying to use a rifled barrel on a ball. When they started rifling muskets, they started using the minie ball.
 
1.5" SCH10 SS is 1.68 ID, too tight? we be pulling a mandrel through it?
 
I just ordered some 2” 1/8” wall. 1.75” Id, should be close enough. If it’s really bad I’ll spend more time tracking down a tighter fit.
 
surpip said:
I just ordered some 2” 1/8” wall. 1.75” Id, should be close enough. If it’s really bad I’ll spend more time tracking down a tighter fit.
Click to expand...
Got extra t-shirts no longer wearable saved for rags? Cut squares for patches - if you're willing to dick with ramming each shot, all sizes of golf ball will fit well. Works great for black powder, dunno how much the drag affects air launched speed.
 
ExWrench said:
Got extra t-shirts no longer wearable saved for rags? Cut squares for patches - if you're willing to dick with ramming each shot, all sizes of golf ball will fit well. Works great for black powder, dunno how much the drag affects air launched speed.
Click to expand...
Add baby powder.
 
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