Semi Auto - Page7

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SpudFiles Forum Index » Pneumatic Cannon Showcase » Semi Auto

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Semi Auto

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alextheametuer

Posted: 02/08/2007 14:48 PM Post subject:

Private

Joined: 03 Feb 2007
Posts: 19
32.55 Spud Bux

great job on it i think it is great but some of it could have been simpiler and still been semi auto

akaddis

Posted: 02/28/2007 0:09 AM Post subject:

Staff Sergeant

Joined: 09 Dec 2006
Posts: 100
145.04 Spud Bux

I know that you said that you can fire about 2 balls per second. But isn't that only because of the air mechanism? (not because of the loading)

Thanks

akaddis

Posted: 02/28/2007 20:42 PM Post subject:

Staff Sergeant

Joined: 09 Dec 2006
Posts: 100
145.04 Spud Bux

i really would like some plans for the loading mechanism...or at least a list of parts and where to get them...because I'm not too good with making things of an animation...

Thanks in advance

Sry for double post..hehe

spudthug

Posted: 03/03/2007 7:55 AM Post subject:

Gangster Kitten
Brigadier General

Joined: 26 Feb 2007
Posts: 974
609.33 Spud Bux

*wow*? that is a sweet gun you could friggin kill someone with that....lol... wel anyway nice clean design i like the light blue paint its pimp

lukemc

Posted: 03/06/2007 15:47 PM Post subject:

Colonel

Joined: 25 Feb 2007
Posts: 560
54.59 Spud Bux

amazing!! like the idea very shwing

hayden

Posted: 03/27/2007 21:05 PM Post subject:

Private

Joined: 26 Mar 2007
Posts: 1
6.04 Spud Bux

is the stock full of pressure and what is it made of???? i am billding your gun so i need help

locksmith

Posted: 04/02/2007 11:51 AM Post subject:

Staff Sergeant

Joined: 20 Mar 2007
Posts: 123
145.11 Spud Bux

very nice design.looks like a blast to shoot

AmYisroelChai

Posted: 04/02/2007 11:58 AM Post subject:

Staff Sergeant

Joined: 29 Mar 2007
Posts: 122
350.68 Spud Bux

alextheametue -You said it could be simpler and still be semi-auto care to explain? Anybody else?

The gun is very nice and thought out.

pyro6314

Posted: 04/03/2007 19:29 PM Post subject:

Private First Class

Joined: 20 Mar 2007
Posts: 29
93.21 Spud Bux

Care to elaborate on the pilot vent/ pressure valve you made. I understand the animation but cant put the parts together in my mind.

Sweet gun BTW. Very Impressive Very Happy

Edit: Sry, I should read first Very Happy

Last edited by pyro6314 on 04/20/2007 13:26 PM; edited 1 time in total

clide

Posted: 04/04/2007 19:14 PM Post subject:

Donating Member
<b>Donating Member</b>

Joined: 06 Mar 2005
Posts: 721
2078.95 Spud Bux

There is a pretty detailed diagram of the slide valve a few posts under the first one.

Basically it is just a tube with a plug in the middle and holes around the pipe on either side of the plug. Then there is a sleeve over the tube so that it can connect the two sets of holes or expose one set to the atmosphere.

As for the loading mechanism, there are more details as to the sizes I used near the bottom of the first page, but I don't have any exact plans or anything.

tarmann_90

Posted: 04/12/2007 23:30 PM Post subject:

Private

Joined: 31 Mar 2007
Posts: 19
58.57 Spud Bux

that is by far the most ingenious and original thing ive ever seen for a potato gun

Kenny_McCormic

Posted: 04/17/2007 15:26 PM Post subject:

1st Lieutenant

Joined: 03 Jan 2007
Posts: 283
269.77 Spud Bux

put a solinoid on it with some custom circitery for full auto

tarmann_90

Posted: 04/17/2007 23:15 PM Post subject:

Private

Joined: 31 Mar 2007
Posts: 19
58.57 Spud Bux

what sizes of pipe are you using? is the smallest 1.5" for the body? and the slider/trigger 2"? also what pressure are you using in it?

clide

Posted: 04/18/2007 13:09 PM Post subject:

Donating Member
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Joined: 06 Mar 2005
Posts: 721
2078.95 Spud Bux

The valve body is 1", the chamber is 2", stock is 1/2". The trigger is part of a 1.5" tee and the piece extending back to the slide valve from the trigger is 1.5" SDR21. Sizes for the slide valve pipe are given above the detailed figure, although there is a piece of 1.25" SCH40 around the outer piece of the slide valve so it will connect to the trigger easier.

My compressor only goes up to 100 psi, so I start from there and of course the pressure decreases as I fire.

pyro6314

Posted: 04/20/2007 13:30 PM Post subject:

Private First Class

Joined: 20 Mar 2007
Posts: 29
93.21 Spud Bux

What is the limitation on the ROF? I would assume it will still fire when you have a lower pressure but in your video it sounds like a ammo loading problem.

How do you get the air to equalize fast enough. You must have a check valve for it to be that reliable?

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