air fill system and piston sealing

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SpudFiles Forum Index » Pneumatic Cannon Discussion » air fill system and piston sealing

air fill system and piston sealing

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uncomplientspud

Posted: 06/20/2008 10:47 AM Post subject: air fill system and piston sealing

Private First Class

Joined: 29 May 2008
Posts: 29
92.14 Spud Bux

Hey guys

Going to get my new cannon built this weekend. Found all my new pipe i will need.

Only questions i have are:

What is a reliable way to fill the chamber with air? Bike valve, quick connect?

From what i have seen with the piston diagrams, i have noticed one thing. If i use say a 1 inch barrel, won't i need a t that is larger than 1 inch?. Is i use a 1 inch t won't that prevent me from sealing the piston to the barrel? Maybe it's just me

Any help would be great

Carlman

Posted: 06/20/2008 10:54 AM Post subject:

The Aussie
Brigadier General

Joined: 24 Nov 2007
Posts: 1111
293.38 Spud Bux

for a 1" porting piston valve you will need a T bigger than 1" so there is enough air to push the piston back.

pizlo

Posted: 06/20/2008 16:55 PM Post subject:

Colonel

Joined: 22 Dec 2006
Posts: 647
922.33 Spud Bux

I would recommend going at least 1.5 down to 1.

spud yeti

Posted: 06/21/2008 13:28 PM Post subject:

can i change this name
Brigadier General

Joined: 08 May 2007
Posts: 1043
14.05 Spud Bux

to fill the chamber it depends on what you have.
A bike pump: pump
Compressor: quick connect
Your lungs: quick connect Very Happy

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