Search found 19 matches

by CrashTestDummy II
Sun Jun 28, 2009 10:27 pm
Forum: Pneumatic Cannons
Topic: CamoCannon
Replies: 2
Views: 1657

Is this your first pneumatic? I think it's a pretty nice cannon! :) It's a shame about the DWV fitting on there, if that's what it is. Besides that, it's awesome for something built before you found Spudfiles. I'm loving the paintjob too. Very nicely done! I'm looking forward to seeing more of your ...
by CrashTestDummy II
Mon Jun 01, 2009 7:07 pm
Forum: Combustion Cannons
Topic: Marx Generator
Replies: 3
Views: 1157

That would be amazing to see installed in a clear chamber :P If I could find the correct electronics without spending a fortune, I'd totally try to make one, since the schematics aren't very complicated at all. Or, if you happen to have an insane amount of cash lying around, you could order a Marx g...
by CrashTestDummy II
Sat May 23, 2009 3:18 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Airsoft Gun Pics Thread - post your pics!
Replies: 229
Views: 84478

Here is my collection :) Going clockwise from the top, spring-powered UTG AK-47, two spring Smith & Wesson 4505's, KWA Mac-11 (green-gas powered), spring UTG M3S Multi-Shot (shoots three rounds per shot), and a green-gas glock (not sure what model exactly). <a href="http://i119.photobucket.com/album...
by CrashTestDummy II
Fri May 01, 2009 12:43 am
Forum: Miniature Guns
Topic: P-99 Spud Gun Pistol
Replies: 5
Views: 5746

I like the idea. Were the empty cavities in the grip for wieghts that were taken out? It'd look pretty nice if you still had the "grip cover thing" (excuse my lack of knowledge) and made holes for the ignitor wires so that you could keep the grip on it. Either way, I like it :)
by CrashTestDummy II
Fri May 01, 2009 12:40 am
Forum: Pneumatic Cannons
Topic: My First pneumatic
Replies: 7
Views: 2431

Looks great for a first pneumatic :) Only thing I can think of; it looks like the reducer on one side of the sprinkler valve is a bell-reducer, and is probably DWV. But you most likely know about that stuff now, so I won't ramble on about it. I like the aluminum shroud around the barrel and chamber....
by CrashTestDummy II
Sun Feb 01, 2009 10:42 pm
Forum: General How-To & Discussion
Topic: My career starter
Replies: 16
Views: 2960

My story's the similar to Starman's. I heard of tennisball mortars from a friend back in 6th or 7th grade, from a book called Backyard Ballistics. There were also chapters in the book on two simple combustion and pneumatic cannons. From there, I just started surfing the web for potato cannon website...
by CrashTestDummy II
Sun Jan 18, 2009 9:33 pm
Forum: Pneumatic Cannons
Topic: Breech-Loading Pneumatic Sniper
Replies: 16
Views: 7136

Breech-Loading Pneumatic Sniper

I'm stuck at my aunt's house, which is usually pretty boring, but thanks to wireless internet connections (using the neighbor's right now :laughing6: ), I decided to upload another cannon that I built a short while ago. It has the standard sniper stock layout, using 1" fittings instead of 3/4" to ma...
by CrashTestDummy II
Sat Jan 17, 2009 1:49 pm
Forum: Pneumatic Cannons
Topic: How To: Know When Your Soda Bottle Chamber Is About To Blow
Replies: 50
Views: 8255

If you live in the US, you can get it from Baskin Robins. That's where I get mine :D
by CrashTestDummy II
Fri Jan 16, 2009 2:50 pm
Forum: Combustion Cannons
Topic: Small Pistol-Grip Combustion
Replies: 10
Views: 7698

Yeah, I thought of gluing the two halves together, but I didn't because I didn't want to have to wait for the glue to dry :roll:
by CrashTestDummy II
Fri Jan 16, 2009 1:37 pm
Forum: Combustion Cannons
Topic: Small Pistol-Grip Combustion
Replies: 10
Views: 7698

:lol: With a nailgun, of course! The nails are really small, and if you look at the picture that's a close-up of the grip, you can see little divot things where the heads of the nails went in.
by CrashTestDummy II
Fri Jan 16, 2009 12:43 pm
Forum: Combustion Cannons
Topic: Small Pistol-Grip Combustion
Replies: 10
Views: 7698

Thanks for the feedback :)

@ Ictchamp - I made the wooden handle myself. It's made of two pieces of plywood that are nailed together.

I didn't bother making some kind of breech-loader for this one. Just a muzzle-loader. I figured that the shroud was too robust to be threading on and off.
by CrashTestDummy II
Fri Jan 16, 2009 12:14 am
Forum: Combustion Cannons
Topic: Small Pistol-Grip Combustion
Replies: 10
Views: 7698

Small Pistol-Grip Combustion

This one's been like, 95% complete for a month or so now, and all I had left to do was attach the handle to the body of the gun. The chamber is 2" x ~6" and the barrel is 1/2" SDR 13.5 x 16" long. I've been using a ton of the 1/2" SDR 13.5 pipe lately because I have a bunch in the basement that I fo...
by CrashTestDummy II
Tue Jan 13, 2009 9:54 pm
Forum: Pneumatic Cannons
Topic: Small Airsoft Coaxial Pistol
Replies: 11
Views: 3790

Thanks for the feedback :) To keep the barrel centered, I cut off the top of a 3/4" plug and dremeled it down to fit inside the 3/4" pipe. I just cut out sections so it wouldn't restrict flow, and then drilled a hole in the center for the barrel to pass through. The support is epoxied onto the barre...
by CrashTestDummy II
Tue Jan 13, 2009 7:35 pm
Forum: Pneumatic Cannons
Topic: Small Airsoft Coaxial Pistol
Replies: 11
Views: 3790

Small Airsoft Coaxial Pistol

I just finished this recently, and it's a bunch of fun to plink around with in my yard. This is also my first (working) coaxial. :D The chamber is made from 3/4" pvc, and the barrel is a 12" long piece of stainless steel pipe. I'm not sure of the exact diameter of the barrel. I just went into Ace wi...
by CrashTestDummy II
Tue Jan 06, 2009 11:24 pm
Forum: Pneumatic Cannons
Topic: 3rd pneumatic
Replies: 7
Views: 1655

I like the stock! Did you make it, or salvage it from something? Looks cool 8)