Blowgun dart cannon
It's been YEARS since I last posted a cannon on here, but I got the urge to make a cannon out of a commercially made blowgun I gotten.
It shoots standard store bought 0.40 caliber blowgun darts out of the 48" removable barrel.
The valve I used is a modded 3/4" Orbit watermaster sprinkler valve.
Chamber is made from 2" schedule 40 PVC pipe and 3/4" schedule 40 PVC pipe. There is a union integrated into the chamber so i can rotate it to form a 'stock'.
Bring on the pics.
Now for the damage shots. The dart was imbedded about 1.5" into the wood at 81 PSI.
It shoots standard store bought 0.40 caliber blowgun darts out of the 48" removable barrel.
The valve I used is a modded 3/4" Orbit watermaster sprinkler valve.
Chamber is made from 2" schedule 40 PVC pipe and 3/4" schedule 40 PVC pipe. There is a union integrated into the chamber so i can rotate it to form a 'stock'.
Bring on the pics.
Now for the damage shots. The dart was imbedded about 1.5" into the wood at 81 PSI.
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Holy crap dude! That's awesome! Have you put the union there so you can hold it easier? Or is there a different function for it?
It's not that great. I found out that the last section of the barrel wobbles when firing. Once I fix that it should be spot on.
I COMPLETELY embedded a 4.5" dart into a palm tree trunk. It was glorious!
I would also like to point out that this is my cleanest looking cannon ever. there are no barcodes or writing on the pipe and no PVC cement is visible. Using acetone to clean a cannon beforehand and while cementing parts together makes a tremendous difference.
I COMPLETELY embedded a 4.5" dart into a palm tree trunk. It was glorious!
I would also like to point out that this is my cleanest looking cannon ever. there are no barcodes or writing on the pipe and no PVC cement is visible. Using acetone to clean a cannon beforehand and while cementing parts together makes a tremendous difference.
I made something similar but smaller. It dosnt take much to get those darts through wood. You should try these http://www.blow-gun.com/storefront/merc ... y_Code=PHD.
- jackssmirkingrevenge
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These look like they would give the best accuracy, though I would probaby go for these in terms of penetration depth, low sectional density and pointed yet sturdy enough to resist "fishhooking" on impact.
It was the mythical penetrative power of one of those darts that had spurned the infamous spudfiles coin challengejon_89 wrote:It dosnt take much to get those darts through wood
hectmarr wrote:You have to make many weapons, because this field is long and short life
Well I built this cannon for purposes of a nature I can't discuss here so penetration is key and fish hooking might be beneficial. Needless to say my targets are not hard enough to bend the darts significantly.
When the 200 target darts I ordered off ebay arrive I will test it out on coins and other suitable objects.
I also want to point out that I breech load the darts by twisting off the barrel. There is just enough space between the two brass fittings to allow this.
When the 200 target darts I ordered off ebay arrive I will test it out on coins and other suitable objects.
I also want to point out that I breech load the darts by twisting off the barrel. There is just enough space between the two brass fittings to allow this.
- jackssmirkingrevenge
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Keep in mind that pinholes are easily sealed, and if you double the diameter of the projectile, you quadruple the area through which fluid can flow.benstern wrote:Well I built this cannon for purposes of a nature I can't discuss here so penetration is key and fish hooking might be beneficial. Needless to say my targets are not hard enough to bend the darts significantly.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Ah, but a cannon is defined by its purpose I would research a little further if I were you, whatever the intended purpose.
hectmarr wrote:You have to make many weapons, because this field is long and short life