[WIP] Triggered Ball Valve Musket

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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jackssmirkingrevenge
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Mon Jul 31, 2017 9:05 am

Good to hear, video time!
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Xamllew
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Thu Aug 03, 2017 12:36 am

I'll get a video posted soon, I'm still trying to smooth out the tumbler/sear contact surfaces, and cut out the half-cock* notch.

*The feature that makes old revolvers and muskets click twice when the hammer is pulled back, the first click is the half-cock position, second is fully cocked. In half-cock the trigger can't be pulled. Some say it's called half-cock because that's what you'll be left with if you manage to fire it in that position.
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Cthulhu
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Sat Aug 05, 2017 10:20 am

This has been an amazing project!
Some day I'll have to make a ball valve musket of my own, possibly with a built in pump-ramrod :P
This weapon serves to silence the noisy speakers of the stupid of the other street! (joke) -Hectmarr
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Xamllew
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Tue Aug 08, 2017 12:01 am

So here's a short clip of the action, unfortunately I haven't gotten the sear to make the nice audible "click" when it locks back the hammer, can't have that now. :lol:
[youtube][/youtube]
You can see the hammer still isn't kicking the valve open much, however when pressurized the valve gets kicked open more, it could be the rushing air helping out. *shrug* At any rate, test shots at ~200psi have given me some fairly flat trajectories out to 200 feet.
Cthulhu wrote:This has been an amazing project!
Some day I'll have to make a ball valve musket of my own, possibly with a built in pump-ramrod :P
I thought a long time on integrating a small shock pump somewhere into the stock of my gun, in the end I chose not to as the stock is already pretty hollow everywhere aside from the butt end and I wanted to keep it as slim as possible. You'd be surprised if you picked up the stock just how much of a shell of wood it is due to all the components fighting for room within it, it is however durable, I have a lot of confidence in wood lamination as I've used them in many projects including longbows and a crossbow.
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jackssmirkingrevenge
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Tue Aug 08, 2017 10:59 am

Xamllew wrote:So here's a short clip of the action
Complete with laundry on the floor, the mark of a true spudfiler! Nice job :D
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Xamllew
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Sun Oct 08, 2017 12:51 am

Again excuse the lack of updates guys, I know you guys wanna see more updates but I'm lacking a lot of freedom lately, most of the work I've done lately has been fixes or minor things, my chamber started leaking badly so I had to totally rebuild that, took a lot of my time. I really just need to get a welder to make me a chamber so I don't have to fiddle with this damn solder and epoxy crap.

Here's a recent pic
Image
got the trigger guard installed. Barrel lugs soldered onto the underside of the barrel so the barrel is pinned to the stock. Cherry wood darkens a heck of a lot with oxidation, which is why the back end is far darker than the front currently, front end is freshly shaped.

The new mainspring is cut from a piece of a thick putty knife so it's very strong, plenty of power to kick the valve handle open.

This will probably be my last update until I get her finished up so stay tuned for final product! :pirate:
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jackssmirkingrevenge
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Wed Oct 11, 2017 6:26 am

Looking great! I feel that the power will rival that of a genuine black powder flintlock pistol.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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