It looks like its time to decommission my valves back plate, its starting to fatigue around the bolts. http://i209.photobucket.com/albums/bb319/drex0/CIMG2017.jpg I hoped this aluminum washer would have evend out the pressure from the bolts enugh, but I guess I was wrong :roll: http://i209.photobuck...

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I routed out a simple muzzle brakes today. http://i209.photobucket.com/albums/bb319/drex0/CIMG2010.jpg http://i209.photobucket.com/albums/bb319/drex0/CIMG2011.jpg I have no idea how well it will work, I had to pretty much just guess on its geometry, I made the hole size 2.375", and the distance betw...

Should I give it another try? I think the main problem last time was the color, a manly color should correct any stability issues.

jackssmirkingrevenge wrote:Nice USG long term project:

Whats USG, and what material is that? looks good.

Labtecpower wrote:Why would you like to stop .38 bullets?

I shot it with a 38 just to take it to its failure point to see how and where it fails so I can make a better one in the future.

I made a quick box for my camera at work out of half inch polycarbonate, I'm going to call this one a prototype because it was unable to hold up to a .38 and is now in multiple pieces. (I took the camera out before shooting it with the 38 ) I did however have my friend shoot it with his .220 with th...

I would go with delrin, It machines pretty good and is fairly tough.

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Shot slap thru a stove with my APFSDS round at lunch. It did not fly as straight as I had hoped, Ill upload the high speed when i get of of work. http://i209.photobucket.com/albums/bb319/drex0/CIMG1990.jpg entrance http://i209.photobucket.com/albums/bb319/drex0/CIMG1997.jpg exit http://i209.photobuc...

Yea I'm gonna fire it! There's an old stove at my shop I'm going to shoot at tomarrow when I remember to bring my camera.

I had a go at making an APFSDS round this week. The tip (94g) is made of 17-4 steel, the body (61g)is made from polycarbonate, and the sabot is made out of nylon and is 28g. http://i209.photobucket.com/albums/bb319/drex0/CIMG1930.jpg http://i209.photobucket.com/albums/bb319/drex0/CIMG1953.jpg http:/...

I like it, I'm not sure what the best way to replace the valve would be and still keep the sleekness of the gun would be. a coaxe would keep it inline but would add space in between the valve and the projectile.

I think I will make that, it will have to wait till next week after a robotics competition.

Would a sobot like this work? it seems to me it would be easer to make and lighter.


The only downside to this idea is it's less badass compared to a sabot that breaks into multiple parts.

what program did you use for that drawing and cp/cg calculations?

LeMaudit wrote: Any tip to share for removing the static? incantations? miracles?
the wife didn't see the mess yet... somebody??

humidifying the air? I don't have much trouble with static from UHMWPE where I work (south carolina).