GGDT Help!!!

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SpudFiles Forum Index » Pneumatic Cannon Discussion » GGDT Help!!!

GGDT Help!!!

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Stang_man67

Posted: 10/25/2006 6:12 AM Post subject: GGDT Help!!!

Private

Joined: 24 Oct 2006
Posts: 6
23.23 Spud Bux

Can someone help me understand how to use this thing. I have read whats on the site and i still dont understand what everything is meaning and what your supose to put where in the table. And can someone explain how to use the graph.... I have read the site about 50 times and still dont understand... Help please

CJ

POS

Posted: 10/25/2006 7:55 AM Post subject:

Major

Joined: 14 Sep 2006
Posts: 395
264.52 Spud Bux

what exacly do you wanne know ?

Stang_man67

Posted: 10/25/2006 8:02 AM Post subject:

Private

Joined: 24 Oct 2006
Posts: 6
23.23 Spud Bux

Here is the idea as to what i want to make. A cannon with 2 chambers. Both 3.5 to 4' long with 2 modified valves. using a 1.5" to 2" barrel. How do i plug that information in. I have read the whole site and im still confused.

Flinchy

Posted: 10/25/2006 9:56 AM Post subject:

Sergeant First Class

Joined: 11 Apr 2006
Posts: 138
381.66 Spud Bux

hmm i think you should try something a bit more basic for staters... don't go with a duel chamber cannon just yet, you will have problems unless you have made a pneumatic before. just use a 3/4"-1" ball valve with a single chamber about 3 to 4 feet long with a 1.5" Sch40 barrel. good luck.

Flinchy

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