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Hammer valve how to(valve+trigger part)

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Unread postAuthor: klon » Wed Feb 27, 2013 12:50 pm

wyz2285 wrote:400 psi, says in the video



Hi dude 1 quest
is you air cylinder a simple steel pipe? ( sorry for my pronunciation ) you speak spanish? thanks for your answer ( nice work )
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Unread postAuthor: wyz2285 » Wed Feb 27, 2013 12:59 pm

Yes and no.
Message too short.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: klon » Wed Feb 27, 2013 1:04 pm

ok thanks one more ¡¡?
stainless steel pipe?
or simple steel?
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Unread postAuthor: wyz2285 » Wed Feb 27, 2013 1:07 pm

Stainless steel.
Message too short.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: klon » Wed Feb 27, 2013 1:12 pm

thanks dude has made some gun with rifled barrel? know how make them?
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Unread postAuthor: jackssmirkingrevenge » Wed Feb 27, 2013 1:24 pm

If you want a rifled barrel, the easiest is to order a spare.

http://sermasports.com/PRODUCTOS/carabi ... s_gamo.htm

20-30 euros como mucho and a much better result than a home made part.
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Unread postAuthor: klon » Wed Feb 27, 2013 1:28 pm

jackssmirkingrevenge wrote:If you want a rifled barrel, the easiest is to order a spare.

http://sermasports.com/PRODUCTOS/carabi ... s_gamo.htm

20-30 euros como mucho and a much better result than a home made part.


gracias amigo el problema es que en el lugar donde vivo estas piezas no las encuentras eh optado por pedirlas via web pero los envios son carisimos incluso el ordenar un tanque de co2 de gotcha sale mas caro el envio que el mismo tanque ( y no te garantizan que te llegue tu compra) por eso tambien pregunte por el deposito de aire cualquier sugerencia es bienvenida

Translation for those who need it:

thanks friend the problem is that where I live in these parts eh not find them via web opted to order them but the shipments are expensive even order a co2 tank gotcha sending out more expensive than the same tank (and do not guarantee you get your purchase) so also ask for the air tank any suggestions are welcome

Edited by jrrdw. This is a English forum please post in English.
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Unread postAuthor: jackssmirkingrevenge » Wed Feb 27, 2013 1:38 pm

I would check these guys out anyway: http://www.sermasports.com/como_hacer_p ... spanol.htm

What ammunition did you have in mind? For diablo shaped pellets or spherical projectiles like BBs you don't really need rifling.
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Unread postAuthor: klon » Wed Feb 27, 2013 1:45 pm

4.5mm pellets ammo eh and manufactured an air rifle using a fire extinguisher tank I have a method to make the barrel with a smooth twist the idea is to share practical knowledge of not posting the rifle that is not home to do Use precision tools but I can help with the guns
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Unread postAuthor: jackssmirkingrevenge » Sat May 25, 2013 2:30 am

Chucking this here:

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Last edited by jrrdw on Sat Oct 19, 2013 10:02 am, edited 1 time in total.
Reason: Fixed video.
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Unread postAuthor: wyz2285 » Sat May 25, 2013 7:14 am

The only reason I don't like traditional hammer valve is the hammer bouncing, witch is almost impossible to eliminate, however it's possible to reduce it to a level that's almost unnoticeable.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: Brian the brain » Sat May 25, 2013 8:59 am

It is possible with a counterbalanced one..


When the hammer strikes the stem in my valve, the surface on the opposite side of the seal is suddenly exposed to pressure and is pushed back even faster ( open)

When the ammo clears the muzzle, the pressuredrop makes the valve close again.

A longer barrel or heavier projectile means more open time.
Dry fires are pretty lame on the other hand.

With the valvestem retracting apon being hit, the hammer doesn't bounce.
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: wyz2285 » Sat May 25, 2013 9:03 am

It is possible with a counterbalanced one..

When the hammer strikes the stem in my valve, the surface on the opposite side of the seal is suddenly exposed to pressure and is pushed back even faster ( open)

The first thing I'm gonna do when my equipment arrives its this then :lol:
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: Brian the brain » Sat May 25, 2013 9:28 am

If you do, thread the endcap on the counter-side.
I had to glue it in place, wich makes replacing an O-ring harder then it should be.

Use 2 or 3 O-rings/grooves to ensure an airtight and durable seal.
It's function depends on the low pressure zone.

you could make an elongated section of the endcap full size and O-ring it, then drill an outlet to ensure atmospheric pressure in front of the valvestem at all times.

Also, I suggest using the outer tube to house a linear hammer, wich is easier.
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: wyz2285 » Sat May 25, 2013 9:32 am

Low pressure side exposed to the atmosphere sounds tricky but I already thought a way to do so. But probably I'll end up use a solenoid hammer anyway.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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