How To Make A Powerful Coaxial Piston Cannon From Hardware Store Parts




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How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts
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Richard Paine: you should doa updated build version of this

Nadia Chaiyaroj: Will this work with T-shirts? for example its rolled up and sealed in a plastic bag and vacuum sealed tightly?

Daniel W: This would be great for shooting fishing lines into trees for stringing up ham radio antennas!

MrTechnophile: Just remember that PVC fractures to dagger-like shards when it (abruptly) fails, and it will eventually have fatigue failure. If one of these is nicked or shows any cracking, it's time to trash it and build a new one!

timbargen: Several years ago, I made a design similar to this using a rubber diaphragm with a couple holes poked in it rather than a piston. It was about 8 feet long, 4" outer diameter and 1.5" barrel. It had sufficient force to turn a full soda can inside out using only a raw egg and 30psi.

For air cannons like this, this style of valve is far superior to simply using a large ball valve. I think the piston design NightHawkInLight used is superior to the diaphragm that I used.

James Vail: Awesome instructions !

Robert Ramos: How much to send me 1

Barsabus: Haha powerful? Ok

LOGAN CUMMINGS: This is awesome I made one with a swivel base and I mounted it on my boat I shoot golf balls at manly snakes turtles and alligators.

Ollie Dennison: Theoretically, could this design be expanded to accommodate a larger barrel whilst retaining the same shape? Thinking airsoft howitzer here ;-)

MrPuggy: Would it work with a T shirt?

Jeziel Carvalho: Very good!

CallsignCrackerAirsoft: How were you able to move the ball valve so easily?

4epupaha: транклюкатор

Brody Harpstrite: Can other objects with the same dimensions as a potato be launched?

Vikas Sharma: how much does it cost?

IcePheonix: About how much does this cost in total?

Davis Fosgitt: Does the projectile have to seal the barrel?

Sam Van Battel: I built this last summer for our mass LARP to shoot foam arrows, and had a lot of trouble creating the piston. Hockey pucks (as suggested in the comments) were too heavy, and as I'm living in Europe where the sizes of pipes etc... is different, I couldn't use the setup in the video.
I eventually made it with a pipe-endcap and some rubber, but every 30-40 shots, I have to take apart the gun and fix the piston. For some reason the rubber keeps losening, even with epoxy applied.

It's an awesome design, and especially if you're into LARP and want to have something that can be made to look like an old-school cannon, this is amazing! But that piston is a pain in the ass to create :D

Raphael Lizares: Can a tennisbal fit?
Rating:
How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts 5 out of 5

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How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts