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Cold weather airbrushing

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  • Member since
    February 2003
  • From: Southern California, USA
Posted by ABARNE on Friday, March 23, 2007 1:49 PM

I had a similar problem when airbrushing on cold nights while using my Paasche H with its six foot hose.  Even though I had the ubiquitous regulator/moisture trap on the compressor, after a while, some wather would occaisionally shoot out the airbrush.  What I did was to get an inline regulator for my ten foot Badger hose as well as fitting for my Paasche so that bot it and my Badger 200 could use the same hose, and the problem was solved.

With the new arrangement, I notice that on cold days and nights, moisture will condense in both the trap on the compressor as well as the one in-line on the hose.

 

  • Member since
    February 2003
  • From: Tacoma WA
Posted by gjek on Tuesday, March 20, 2007 11:40 PM
The air compressor acts like a still. Air is warmed up as it is compressed. As the warm air moves down the airline it cools. As it does the moisture condences on the inside of the line. The drier the air going into the compressor, the better. Having a large air tank can be helpful in that the air can cool in the tank somewhat allowing moisture to condence in the tank as opposed to the airline. The closer to the airbrush a moisture trap, the more effective it will be in preventing water from spitting out of the AB. I solved my problem by converting to CO2. The gas is dry and I never have had one drop of water appear sense I converted.
Msgt USMC Ret M48, M60A1, M1A1
  • Member since
    November 2005
Posted by Anonymous on Tuesday, March 20, 2007 10:24 AM

Sounds like you need an inline trap farther down the line; more towards the airbrush side of the airline.  Iwata makes a "pistol grip" trap that can be installed just prior the airbrush.  Of course you would have to get screw on adapters, but no real drama there.

 

E

  • Member since
    March 2005
  • From: Macomb County, Michigan
Posted by snarlyq on Tuesday, March 20, 2007 6:39 AM
Did you remedy your problem?
On the bench: 1/48 Tamiya F-16 CJ 90% 1/32 F-15E 5% 1/48 Sword T-38 T-Birds 50% 1/48 Has 1/48 F-18A (Blue Angels,CAM decals)
  • Member since
    August 2006
  • From: Wayzata, MN
Posted by yeti0010 on Monday, March 19, 2007 8:02 PM
here in Minnesota I have the same trouble during the winter.
92% of teens have turned to pop and rap, if your one the 8% who still listen to music copy paste this
  • Member since
    March 2005
  • From: Macomb County, Michigan
Cold weather airbrushing
Posted by snarlyq on Monday, March 19, 2007 5:44 PM
 I recently received my new Omni 4000 AB and absolutely love it, it's my first doulbe action. I have also built a new paint booth in the garage (workshop Smile [:)]) and began to try out the new AB. I have noticed during sprays that I get a big Splat of water that shoots out of the brush and onto the surface of my paractice 1/48 Hornet. I switched over to my Badger 200, same thing. I also notice bubbles coming out of the front seals as well as some water. I have moisture traps on both of my compressors and do notice just a little vapor in the traps, not alot at all. Is the AB condensing at the brush (after the traps) because of the cool air temp?? Why the bubbles on a brand new airbrush?? The Badger 200 just had it's seals replaced also. Any help would be appreciated, Thanks
On the bench: 1/48 Tamiya F-16 CJ 90% 1/32 F-15E 5% 1/48 Sword T-38 T-Birds 50% 1/48 Has 1/48 F-18A (Blue Angels,CAM decals)
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