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#1
10-08-2002, 07:37 AM
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Food Dehydrator For Drying Paint
Hey all,
I have heard of using a food dehydrator to dry paint quicker before, but I was looking for as much info as I can gain on the matter. So far, all I really know is that it's recommended to get a unit with an exhaust fan, but other than that, not much. Is there a specific temperature this thing should work at, can it get too hot, how variable is the temperature. Any advice you can give me would be great. Thanks in advance. Ray
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#2
10-08-2002, 08:25 AM
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Take the heat.
Definitely get one! Mine has a fan but it isn't an exhaust fan, it just moves the air and that makes it work quicker than the kind without. The moving air will pull the gases away from the paint allowing it to cure faster. The lid has a vent that is best to leave open, they make plenty of heat without closing them up. It's especially effective on enamels, making them much harder, which is great for polishing. My dehydrator almost runs 24/7, they have an amazing life span. I use mine for heating spray cans, drying parts after washing/painting and curing parts that have been decaled.
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There is a lesson in every kit.
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#3
10-08-2002, 08:44 AM
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Re: Take the heat.
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#4
10-08-2002, 08:55 AM
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Quote:
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There is a lesson in every kit.
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#5
10-08-2002, 09:55 AM
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What do they look like?
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CHRIS... Catch me on FACEBOOK http://www.c1-models.com http://www.facebook.com/C1Models
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#6
10-08-2002, 10:01 AM
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Chris,
I guess they are something like this, although I should think we would want something less fancy: http://www.walmart.com/catalog/produ...3A2637%3A77938 I am still not convinced about it though......kind people here have to convince me yet. Ray
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#7
10-08-2002, 10:24 AM
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I've been using a very simple dehydrator for years. It's been plugged in constantly...for years.
Mine is a simple arrangement w/a small heating coil in the base, and simple plastic racks, and sliding vents top/bottom. I bought it at Big Lots years ago for about 12 bucks. It was photographed in Scale Auto Enthusiast after I tried it and it worked so well, and told Pat Covert about the discovery. It's a cheaper version of the same style used by Ronco. No motors, no fans. It works magic, it basically makes the paint/primer/putty process go much quicker. Same with decals. My dehydrator only gets up to about 110 degrees, so nothing has ever warped or blistered inside of it. Other more powerful units can be modified. You can probably have good results w/any dehydrator as long as you can measure the inside temperature. Anything much over 110 degrees can start problems. You might need to make spacers for the racks and open up some extra vent holes if it's too hot. I've heard someone say that the drying time is reduced about 50% for each 10 degrees over ambient temperature that a paint drying system accomplishes. That means compared to room temperature (70 degrees F), my 110 degree dehydrator speeds up the drying time to 1/16th that of ambient temperature. One day in the dehydrator being like 16 days of room temperature. And the results I've had seem to make me think that's just about right. I've been able to paint, mask, paint a second color, unmask, dry, polish, and completely build and detail paint a curbside model in the period of one day-a stretch of about 12-14 hours of not-continuous work, but a bit here and there. I could not have done that w/o the dehydrator.
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#9
10-08-2002, 12:41 PM
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#10
10-08-2002, 01:12 PM
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it would make my model smell like beef jerky...
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Current Project: R34
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#11
10-08-2002, 07:37 PM
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how long would you keep a model in the dehudrator after painting?
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Current Project: R34
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#12
10-08-2002, 08:02 PM
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Prelude2War,
I hate to point this out, but that is all explained above in the posts that were in response to my question Long enough to make it smell like beef jerky?
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#13
10-09-2002, 12:39 AM
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What everyone has written is right on the money! This is a cheap tool that will really speed up work projects and it works wonders on drying enamels. I got one at Big Lots about 4 years ago, use it for everything I paint. I also cut the bottom from one of the trays and double-stacked 2 together so I could fit bodies in it, has worked great!
  This is what it looks like Good luck!
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#14
10-09-2002, 04:40 AM
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Quote:
thats the same dehydrator i have but the bottem is that brown clear plastic...
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Current Project: R34
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#15
02-01-2003, 10:02 PM
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So my buddy and I went halvesies and picked one up today, since we only really have the weekends to work on our stuff, so we'd prefer to maximize our modeling time.
We got a "NESCO" brand one from WalMart for $40. :o (I got tired of bugging the clerks about them at BigLots! :o) It's got the fan and heater in the top and an air outlet on the bottom. It looks like I'll be doing the same as Russ mentioned: gutting one tray layer and making a compound layer deep enough for the car bodies. You guys ever have any trouble with anything being too tall for two trays' depth? And what do you do with the free jerky seasoning that came with it? 
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