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Old 29th November 2003, 05:17 AM   #1
diyAudio Member
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Join Date: Jun 2002
Location: 3RS
Default Custom built ( refurbished!) spray can

Hi All,
It is useful sometimes to be able to spray small quantities of mixed paints etc. to get a desired effect. These colours or mixtures are not available off the shelf .
Is it possible to reuse old spray cans to make them useable for such an application ?
We will have to introduce the paint mixture ( NC based - car paint type ) into the can and also some liquified gas ( Aircon refrigerant ??).
Any ideas ?
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Old 29th November 2003, 06:29 AM   #2
HDTVman is offline HDTVman  United States
diyAudio Member
Join Date: Aug 2001
Location: Chicago area
Very bad idea. Very dangerous.

Why not just get an air brush and a small air comperssor. That would cost a lot less that what would be needed to refill and repressurize a spray paint can.

Later BZ
What ever makes the tunes flow
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Old 29th November 2003, 06:39 AM   #3
diyAudio Member
Join Date: Sep 2002
Location: Sweden
Don't know if it is available in India, but over here there is
an el cheapo version of airbrush, mainly intended for painting
plastic aircraft kits etc. The actual airbrush gun with two glass
containers etc. is less than $10 and instead of a compressor
you use "spray" cans with compressed air. The quality isn't
the best, but it might be OK for occasional use.
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Old 29th November 2003, 09:11 AM   #4
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Join Date: Jun 2002
Location: 3RS
Default Thanks.

Thanks guys. Yes I did realise it was a bit dangerous but never guessed how bad. The air brush is a good idea and I should look for it. It is not readily available. I will have to search for it. Small compressors are expensive -- until the Chinese versions become available.
I will try out something.
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Old 29th November 2003, 01:13 PM   #5
Mark Kravchenko
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Join Date: Jan 2002
Location: Perth Canada
Default diy compressor

you can take an old refrigerator compressor and run it as an air compressor. You will need a tank and a pressure switch, an air manifold and an ocerload valve. But in a pinch on a low budget it will work. I've done it and it works.

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Old 29th November 2003, 04:50 PM   #6
Wizard of Kelts
diyAudio Moderator Emeritus
Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
If the job is not too big, have you considered the old compressed air garden sprayer? I have never used one for this purpose, but it something I would consider.

Readily available and cheap. They can be adjusted to give a fine mist, (though perhaps not quite as fine as a spray can). You possibly have one on hand right now.

I would suggest you have some quantities of thinner on hand to prevent clogging. I have never used one for the purpose of spraying paint, but it might be worth asking around to see if anyone has.
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Old 29th November 2003, 04:57 PM   #7
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This is what we have available here
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“Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC
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