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Old 08-03-2017, 08:05 PM   #29
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Join Date: Jun 2016
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Originally Posted by Brent Swain View Post
I got my hookah compressor to do some sandblasting, very slow at 90PSI.
I checked out air needle scalers, and found they only need 90 PSI at 2,5CFM, and only cost from $40 to $100 ,while electric ones are around $1,000.So I am ordering one.
I can also hook it up to the second stage on a scuba tank, for about120 PSI. As 2.5 CFM is a lot of time from 80 cubic feet of air, and each rust spot takes only a second to get to white metal with the needle scaler,
it should last me a long time on a fill. That will drastically
reduce maintenance time , to brushing a few dabs of epoxy
on several times a day. It also lets me clean any rust
inside , without the dust of sandblasting
The needle scaler ,at 90 PSI, works great. Leave it on one spot, and it gets cleaner and cleaner,until it looks shotblasted.
No dust, which lets you use it inside.
I sharpened the needles on mine, which makes it work quicker ,and gives a better surface for paint adhesion.
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