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Powering my compressor

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Powering my compressor

Unread postAuthor: suburban spudgunner » Mon Jan 05, 2009 4:34 pm

I just bought a cheap compressor (the kind commonly used for filling car tires) and I'm wondering if anyone knows where I could get a converter to power it from household current; I don't want to have to start the car every time I want to shoot.

Compressor specifications:
12V DC, 8A, 96W; plugs into a cigarette lighter

I already bought one adapter which I thought would work, only to find that it put out .5 amps rather than the required 8.
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Unread postAuthor: john bunsenburner » Mon Jan 05, 2009 4:36 pm

:roll: These compressors are cheep have a low flow but a fairly high pressure, i give it a month with moderate use...a pretty big waste...just buy soemthing porper, or a fridge compressor...
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Unread postAuthor: maggotman » Mon Jan 05, 2009 5:21 pm

you could run it of a jump starter pack but to be honest thay are crap and fail very fast the last one i had a 20% duty cycle so ever minit u use it u goto leave it 4 minits to cool down
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Unread postAuthor: blind909 » Mon Jan 05, 2009 6:22 pm

Just buy a 12 volt lawnmower battery, or 12 volt cordless drill battery, thats what i did.
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Unread postAuthor: VH_man » Mon Jan 05, 2009 6:28 pm

my hint:

Go to a surplus store. Buy an SLA batteery charger and a 12V 24 AH SLA battery.

Shall work for you.
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Unread postAuthor: john bunsenburner » Tue Jan 06, 2009 7:32 am

There are some with duty cyles of upto 80%, please get a proper compressor, or use a hanp dump...or a fridge, you will thank us if you do!
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Unread postAuthor: suburban spudgunner » Tue Jan 06, 2009 7:52 am

I know these tend to fail fairly quickly. I was just looking for a quick way to power it (since I was absolutely broke).

I'll see what I can do. Thanks for the feedback.
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Unread postAuthor: jackssmirkingrevenge » Tue Jan 06, 2009 9:00 am

Overheating is definitely a problem with these little pumps, improvising some way of keeping the cylinder cool would definitely prolong its lifespan.
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Unread postAuthor: Carlman » Tue Jan 06, 2009 9:12 am

john bunsenburner wrote:proper compressor, or use a hanp dump...or a fridge, you will thank us if you do!


If this was said a year ago, people would look at you funny...lol
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Unread postAuthor: john bunsenburner » Tue Jan 06, 2009 10:11 am

95% of the world^s population look at me funny when i say..anythign really (atleast in switzerland they do, but assuming you havent visited you are clueless about what im saying)...

@JSR: i think in the end it would be best to just buy a compressor, it would be some much easyer, oh and wouldnt lubricating also prevent overheating(if i said that last sentance to a normal person they would declare me as MAD!)
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Unread postAuthor: suburban spudgunner » Tue Jan 06, 2009 6:24 pm

My main problem is that I can't afford a proper compressor.
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Unread postAuthor: TurboSuper » Tue Jan 06, 2009 6:30 pm

A computer's PSU is your best bet. Easy to find, can drive large currents...

You could also just buy a lead-acid battery and a charger for it (that .5A thing you got would work well).
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Unread postAuthor: Daltonultra » Tue Jan 06, 2009 9:02 pm

Radio shack should have the converter you need. If not, hit AutoZone's website, or whatever the equivalent is in whatever country you live in.
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