Search found 361 matches

by MRR
Sun Apr 19, 2009 12:59 pm
Forum: General How-To & Discussion
Topic: competition!!
Replies: 101
Views: 3944

Keep in mind that spudfiles is a 99.99% D.I.Y. community, so I absolutely agree with B.t.B. . If you got something new, extraordinary, beautiful, special or what ever in your mind, sooner or later you will build it and post it on this site anyway. So why not doing a contest for the fame and glory? I...
by MRR
Sun Apr 19, 2009 11:53 am
Forum: Ammo & Parts
Topic: Sabot Ideas
Replies: 16
Views: 2329

My suggestion would be polyurethane foam. Take a piece of pipe, the size of your barrel, lubricate or powder it inside and then spray the foam into it.

pro: very light and reusable

cons: need some time to cure
by MRR
Sun Apr 19, 2009 10:06 am
Forum: Off-Topic Hobbies
Topic: The proof that dutch people are creative and a little crazy
Replies: 14
Views: 804

The proof that dutch people are creative and a little crazy

I have found this on YouTube and laughed so hard....
I had to post this :lol: .


[youtube][/youtube]
by MRR
Sun Apr 12, 2009 8:08 am
Forum: Pneumatic Cannons
Topic: Coax fast build [updated]
Replies: 13
Views: 3128

I know, but it does it's work very well this way and it never leaked before.
I don't pressurize it over 120psi (compressor) anyway but as soon as I go higher I will find another solution.
by MRR
Sat Apr 11, 2009 2:35 am
Forum: Pneumatic Cannons
Topic: Coax fast build [updated]
Replies: 13
Views: 3128

The angled piece is just random because I haven't had the fittings (without using some from my other project) to attach another tee.

I like it even more due to the different look and it balances very well.
by MRR
Fri Apr 10, 2009 4:34 pm
Forum: Pneumatic Cannons
Topic: Coax fast build [updated]
Replies: 13
Views: 3128

I didn't make a plan to build this coax, just read a topic on the forum and had the idea. It was absolutely spontaneous. It sure looks like it can handle some pressure but i only did some test shots @120 psi. The barrel support is a pice of pipe 4 screws and 8 nuts but it turned out to work really w...
by MRR
Fri Apr 10, 2009 4:07 pm
Forum: Pneumatic Cannons
Topic: Coax fast build [updated]
Replies: 13
Views: 3128

Coax fast build [updated]

This is a build on a topic reply. I build it in about 1 1/2 hours and it is my first coax ever. Total length: 99cm Chamber: 1", 40cm + 20cm galvanized steel Barrel: 15mm, 78cm long The piston is basically the one I described on this how to.... http://www.spudfiles.com/forums/self-closing-piston-valv...
by MRR
Fri Apr 10, 2009 9:20 am
Forum: Pneumatic Cannons
Topic: Piston Handgun Design
Replies: 13
Views: 824

After writing the comment on this post I ate something, drank a coffee and then I build a coax with spare parts laying around. All in about one hour :lol: . Well I already had a piston and I didn't make a barrel support but it works like a charm. Not bad for a first try on a coax I think. Length: 99...
by MRR
Fri Apr 10, 2009 8:09 am
Forum: Pneumatic Cannons
Topic: Piston Handgun Design
Replies: 13
Views: 824

Consider to pressurize from the pilot volume (with a small chamber like in a pistol it wouldn't make any difference).

Coaxial are bad designs to go semi / auto so there wouldn't be an advantage either.
by MRR
Wed Apr 01, 2009 3:22 am
Forum: Pneumatic Cannons
Topic: French spudding community
Replies: 6
Views: 390

hmmm, maybe I should have...

The problem with such an extensive database like Spudfiles is that you can't overlook what other members posted before.

ok learned my lesson :oops:
by MRR
Wed Apr 01, 2009 3:08 am
Forum: Pneumatic Cannons
Topic: French spudding community
Replies: 6
Views: 390

French spudding community

Hi guys!
I've found this little french spudding community by accident.

This is a link to their hall of fame (pneumatic section).

http://patator.frbb.net/patator-a-air-comprime-f19/

There are not that many but some very well made launcher.
Thought that might be something of interest....
by MRR
Wed Mar 25, 2009 3:53 pm
Forum: Ammo & Parts
Topic: Ammo Ideas
Replies: 357
Views: 73685

Did someone ever used a "whistle tip"? I've got the idea from archery. This is a tip that you can buy in a shop. http://www.bogensportshop-hermanski.de/mediac/400_0/media/spitze-heul.jpg Or build it: Take a cap nut and file it at one side till you get a hole with sharp edges. Attach the cap nut to a...
by MRR
Sat Mar 21, 2009 10:20 am
Forum: BB, Airsoft, and Pellet Guns
Topic: mini hammer valve
Replies: 100
Views: 10212

Attach some wings and you will have a hummingbird :lol: .

Or you replace the bolt with a needle and tattoo yourself.
:headbang:

Otherwise great work.
by MRR
Sat Mar 21, 2009 10:07 am
Forum: Pneumatic Cannons
Topic: Fire Extinguisher Tank (Can't find fitting)
Replies: 6
Views: 5285

Do you have the original end cap/release for this extinguisher?
I had the same problem but I discovered that the pipe inside of the FE (like in a spray can) was mounted with a standard 1/2" thread. I sawed off the release from the cap and screwed a 1/2" nipple into it from the top.
by MRR
Tue Mar 17, 2009 4:08 pm
Forum: Pneumatic Cannons
Topic: piston valve without pilot-waste..
Replies: 13
Views: 2065

Veeery cool idea! That is definitely worth a try.
If I get it right from the diagram then you vent with a hammer hitting the bolt, the piston strikes back and reset the hammer to firing position again.