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My compressor, 300 psi and more (..... much more :-D )

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Unread postAuthor: Darkside 6ix » Sat Aug 02, 2008 2:59 am

okeydokey. I just want a easier source or air pressure because my stirrup pump only takes me to about 80 psi. I want to unlock my pneumatics potential by taking it higher. I cant to that with a regular stirrup pump.
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Unread postAuthor: POLAND_SPUD » Sat Aug 02, 2008 3:13 am

if you really can't find a fridge compressor you can always build a homemade stirrup pump..... use search function... there is a lot of info on that
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Unread postAuthor: john bunsenburner » Sun Oct 19, 2008 10:18 am

this is pretty darn useful...how the hell i can get my hands on anything useful in this contry(switzerland) for under 500bucks i dont know but ill definately try, can i pump an old co2 or scuba tank with this? i means just for some target practice in my back yard...
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Unread postAuthor: POLAND_SPUD » Sun Oct 19, 2008 10:21 am

you can go to poland or to czech republic to buy some cheap stuff.. seriously if you have to pay more than 30$ to buy a ball valve it might be a good idea to do so
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Unread postAuthor: john bunsenburner » Sun Oct 19, 2008 10:28 am

the stupid ******** will not let me import much...i mean have you ever heard of a place wer you need a special licesnce to import more than 1kg of meat? polska jest much better....do you think i could get the stuff sent to me from poland? if then where should i go call...im in lublin and warsaw alot(atleast 4 times a year sumtimes 10 or more times)
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Unread postAuthor: POLAND_SPUD » Sun Oct 19, 2008 10:48 am

it might be tricky to send them from poland to switzerland.. most shops don't sell stuff abroad...

you can either find a plumbing shop in warsaw or lublin and buy stuff there (it might be difficult to buy a qev using this method) or you can order stuff to some post office by a poste restante ( http://en.wikipedia.org/wiki/Poste_restante ) and then collect it when you will be in warsaw or lublin...
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Unread postAuthor: john bunsenburner » Sun Oct 19, 2008 2:33 pm

the thing is that i doubt they will let me just carry it into my contry without some kind of permit. but maybe i can ask some one who knows some one... there isa huge dump 30km away from my house and i bet ill get sum stuf from there.
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Unread postAuthor: POLAND_SPUD » Sun Jan 11, 2009 11:50 pm

here is a link to an interesting video explaining how fridge compressors work.... it's very informative and defienatelly worth watching... note it's not mine it was made by danfoss company


http://www.youtube.com/watch?v=bAZGkny8g64
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Unread postAuthor: POLAND_SPUD » Mon Feb 16, 2009 2:08 pm

UPDATE

I finally had time to add an air tank... it's made form 7 meters of 1.5" steel pipe LOL that's high tech isn't it ?? :wink:

should be relatively safe to use at up to 400 psi
the tank capacity is about 10 L (note that 1.5" is a nominal size of the pipe - the real ID of the pipe is ~ 4.4 cm, not 3.81 cm.... for example a 1/2" pipe has an ID of ~1.4 etc.)

now the funny thing is that it takes 9 minutes to fill it to 100 psi, which is much faster than it should :?:

well now I have more than I need for a high pressure BBMG or to test my semi
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Unread postAuthor: Lentamentalisk » Mon Feb 16, 2009 2:43 pm

Ok, how exactly did you fit this 7 meters of pipe inside your house, not to mention attached to your pump? Did you just spiral it, or something?
I have been wanting to make a chamber for my pump, so could you post a pic?
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Unread postAuthor: maggotman » Mon Feb 16, 2009 4:02 pm

use an old co2 fire extinguisher im using one i charge it up to around 70 bar it holds its pressure relay well
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Unread postAuthor: POLAND_SPUD » Mon Feb 16, 2009 4:31 pm

of course I keep it outside... I have several pipes just lying around so I thought - why not to turn one into an air tank...

if you have some as well go for it - it took me 0.5 hour to build it including threading the pipe.. if you don't it might be a better idea to get a CO2 tank or fire extinguisher or an old scuba tank as this is far from being portable


I'll add pics tommorow... not that there is much to show... basically it's just a long pipe with an endcap one one end and several reductions and spare fittings that I had on the other...

it's joined to the compressor by an airline, which is supposed to act as a safety measure - an inexpensive burst disk in case something goes wrong...
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Unread postAuthor: Sticky_Tape » Mon Feb 16, 2009 4:47 pm

Alright next time maggotman type ''relay'' the right way you know ''really''? I wan't to see pictures.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: POLAND_SPUD » Tue Feb 17, 2009 1:24 pm

pics... well not much to show here - it's very simple

today I've filled it to 400 psi...
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Unread postAuthor: Lentamentalisk » Tue Feb 17, 2009 6:26 pm

Lol! That is huge... Not exactly portable, but it sure holds a lot of air...
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