Very nice mini
My version of Keychain Pen gun
You could have soldered the shrader valve in place, you could have unscrewed the midle part, solder the body to the gun, screw the middle part back in...
Very nice mini
Very nice mini
"J'mets mes pieds où j'veux, et c'est souvent dans la gueule."
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john bunsenburner
- Sergeant 5
- Posts: 1446
- Joined: Sun Oct 19, 2008 5:13 am
The middle is called the core...But yeat that works well
"Did you ever stop to think that out of the seven deadly sins envy is the only one which doesn't give the sinner even momentary pleasure"-George Will
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THUNDERLORD
- Sergeant 3
- Posts: 1264
- Joined: Fri Mar 28, 2008 1:42 pm
That looks top notch!
Why not fill it with a tyre filler 8, 12 or 16 gram co2 cart?
My first thought was same as JSR and others (cigarette shooter).
I read somewhere a shrader can loose about 3 psi per month on car tires.
Mostly from hitting bumps or turning against curbs...car tires loose psi through shraders somehow though...seems more so during cold weather(?).
Awesome pengun there, (hadn't noticed this post before)!!! 8)
Why not fill it with a tyre filler 8, 12 or 16 gram co2 cart?
My first thought was same as JSR and others (cigarette shooter).
I read somewhere a shrader can loose about 3 psi per month on car tires.
Mostly from hitting bumps or turning against curbs...car tires loose psi through shraders somehow though...seems more so during cold weather(?).
Awesome pengun there, (hadn't noticed this post before)!!! 8)
-----SPEED,STRENGTH, AND ACCURACY.-----
"Procrastination" is five syllables for "Sloth".
Theopia 8)
Born To Be Alive!
"Procrastination" is five syllables for "Sloth".
Theopia 8)
Born To Be Alive!
Can i ask where you got your brass tubeing from??
Im now interested in replicating this device somewhat
Im now interested in replicating this device somewhat
al-xg wrote:
I've used various things like cutting oil, silicone lubricant, even butter
jsr wrote:
This collection of containers on your bedside table must look very intimidating to any visiting young ladies
...but hey, lube shows you care;)
I've used various things like cutting oil, silicone lubricant, even butter
jsr wrote:
This collection of containers on your bedside table must look very intimidating to any visiting young ladies
...but hey, lube shows you care;)
Another thing getting your piston to hit back using a shrader valve, what are the main principles in aquiring this feat?
or should it just WORK! if the piston has a tight enuff fit?
o rings maybe?? i plan on using an expoxy cast piston without o-rings,would it still work??
or should it just WORK! if the piston has a tight enuff fit?
o rings maybe?? i plan on using an expoxy cast piston without o-rings,would it still work??
al-xg wrote:
I've used various things like cutting oil, silicone lubricant, even butter
jsr wrote:
This collection of containers on your bedside table must look very intimidating to any visiting young ladies
...but hey, lube shows you care;)
I've used various things like cutting oil, silicone lubricant, even butter
jsr wrote:
This collection of containers on your bedside table must look very intimidating to any visiting young ladies
...but hey, lube shows you care;)
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jackssmirkingrevenge
- Five Star General
- Posts: 26183
- Joined: Thu Mar 15, 2007 11:28 pm
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- Been thanked: 326 times
The key element is that the area of the space around the piston (ie, area of chamber inner diameter - area of piston outer diameter) should be less than the area through which air can flow out of the schrader. If the reverse is true, then the pilot volume will be filled up by the main chamber volume faster than it can be emptied through the schrader and the piston will never actuate.jor2daje wrote:because the pilot volume is so small even a shrader can easily pilot, a relatively loose piston.