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From: N Morrison on 11 Nov 2009 20:59 On Nov 11, 9:00 am, Tim Wescott <t...(a)seemywebsite.com> wrote: > Do I want to look for anything special (beyond explosion > proof) in an exhaust fan (I have a room in mind, and am planning on just > poking a hole in the wall for the fan)? If you are using AC powered fans, compressors, lights etc. you'll have to work to code (electrical, health and mechanical).
From: Artemus on 11 Nov 2009 21:02 "Tim Wescott" <tim(a)seemywebsite.com> wrote in message news:SbidnUNjTcIDcGfXnZ2dnUVZ_jFi4p2d(a)web-ster.com... > (splatting this across multiple groups in hopes of finding someone who > knows) > > The Problem: > > I want to set up a small paint booth for painting model airplanes. I'm > cheap, so I want to start collecting equipment for it bit by bit as it > comes up for sale on Craigslist &c. > > This will be for model airplanes, so the actual spraying will be far more > intermittent than for (say) a car -- in fact, the worst-case painting job > would be if a fender from a car project accidentally found it's way into > the booth along with some primer (I dunno how _that_ would happen :-). > > I used to work at a shop with a paint booth, so I know all the > procedures. But I was just a peon, and it was a long time ago, so what I > _don't_ know are things like what capacity compressor do I need, do I > really need an HVLP gun, what sort of exhaust fan is recommended, etc. > > Currently I'm only planning on using airplane dope, which is basically > butyrate lacquer that's formulated to stay flexible so it won't crack > when it's painted on fabric. I may eventually branch out to multi-part > paints, but I doubt it -- I really like dope finishes, and I don't like > the amount of hassle necessary to dodge toxicity with the fancier stuff. > > I'm thinking that I want to get an automotive touch-up gun (a regular- > size automotive gun is way bigger than necessary). But what capacity > compressor? It's looking more and more like I need something > significantly bigger than what you get to go with an air nailer -- is > this correct? Do I want to look for anything special (beyond explosion > proof) in an exhaust fan (I have a room in mind, and am planning on just > poking a hole in the wall for the fan)? > > Thanks. > > -- > www.wescottdesign.com Have you considered the Critter spray gun? It's bigger than an air brush and works just fine on my intermediate size projects. Clean up is a snap and, as it uses mason jars for the paint pot, saving left over paint is easy. Amazon has them for $40 w/ free shipping. Details and review here: http://www.woodcraft.com/Articles/Articles.aspx?articleid=699 Art
From: Bob AZ on 11 Nov 2009 21:29 �Do I want to look for anything special (beyond explosion > proof) in an exhaust fan (I have a room in mind, and am planning on just > poking a hole in the wall for the fan)? > > Thanks. Tim Somewhere in my many years I wanted a small spray booth and thought about using a large cardboard box with a 4" dryer hose vented to the outside. I thought that by pushing air into the room it would exhaust through the dryer hose and with it the overspray from the spray gun. Then I saw a cardboard spray booth advertised somewhere. But at this time I simply did it outside in a open sided shed against a fence. Now I do it when the wind blows out in the backyard. Harbor Freight sells a nice small spray gun that can be hooked to a compressor. Next time I use mine I will use a short flexible hose with it to avoid the attendant clumsiness of a close attached QC coupler and will attach the hose to a larger airline. Bob AZ
From: WW on 12 Nov 2009 13:19 "Tim Wescott" <tim(a)seemywebsite.com> wrote in message news:SbidnUNjTcIDcGfXnZ2dnUVZ_jFi4p2d(a)web-ster.com... > (splatting this across multiple groups in hopes of finding someone who > knows) > > The Problem: > > I want to set up a small paint booth for painting model airplanes. I'm > cheap, so I want to start collecting equipment for it bit by bit as it > comes up for sale on Craigslist &c. > > This will be for model airplanes, so the actual spraying will be far more > intermittent than for (say) a car -- in fact, the worst-case painting job > would be if a fender from a car project accidentally found it's way into > the booth along with some primer (I dunno how _that_ would happen :-). > > I used to work at a shop with a paint booth, so I know all the > procedures. But I was just a peon, and it was a long time ago, so what I > _don't_ know are things like what capacity compressor do I need, do I > really need an HVLP gun, what sort of exhaust fan is recommended, etc. > > Currently I'm only planning on using airplane dope, which is basically > butyrate lacquer that's formulated to stay flexible so it won't crack > when it's painted on fabric. I may eventually branch out to multi-part > paints, but I doubt it -- I really like dope finishes, and I don't like > the amount of hassle necessary to dodge toxicity with the fancier stuff. > > I'm thinking that I want to get an automotive touch-up gun (a regular- > size automotive gun is way bigger than necessary). But what capacity > compressor? It's looking more and more like I need something > significantly bigger than what you get to go with an air nailer -- is > this correct? Do I want to look for anything special (beyond explosion > proof) in an exhaust fan (I have a room in mind, and am planning on just > poking a hole in the wall for the fan)? > > Thanks. > > -- > www.wescottdesign.com Tim... Look up the Krebs cordless sprayer. I found it in a Woodworkers supply catalog. Made in Switzerland. Don't know if it would spray dope or not. Warren
From: stans4 on 12 Nov 2009 13:32 On Nov 11, 12:00 pm, Tim Wescott <t...(a)seemywebsite.com> wrote: > (splatting this across multiple groups in hopes of finding someone who > knows) > > The Problem: > > I want to set up a small paint booth for painting model airplanes. I'm > cheap, so I want to start collecting equipment for it bit by bit as it > comes up for sale on Craigslist &c. > > This will be for model airplanes, so the actual spraying will be far more > intermittent than for (say) a car -- in fact, the worst-case painting job > would be if a fender from a car project accidentally found it's way into > the booth along with some primer (I dunno how _that_ would happen :-). > > I used to work at a shop with a paint booth, so I know all the > procedures. But I was just a peon, and it was a long time ago, so what I > _don't_ know are things like what capacity compressor do I need, do I > really need an HVLP gun, what sort of exhaust fan is recommended, etc. > > Currently I'm only planning on using airplane dope, which is basically > butyrate lacquer that's formulated to stay flexible so it won't crack > when it's painted on fabric. I may eventually branch out to multi-part > paints, but I doubt it -- I really like dope finishes, and I don't like > the amount of hassle necessary to dodge toxicity with the fancier stuff. > > I'm thinking that I want to get an automotive touch-up gun (a regular- > size automotive gun is way bigger than necessary). But what capacity > compressor? It's looking more and more like I need something > significantly bigger than what you get to go with an air nailer -- is > this correct? Do I want to look for anything special (beyond explosion > proof) in an exhaust fan (I have a room in mind, and am planning on just > poking a hole in the wall for the fan)? > > Thanks. > > --www.wescottdesign.com There are airbrushes and airbrushes. Some are only good for painting hairlines for photo touchup, good ones can have needles and nozzles changed to handle a wide variety of work, the one I'm familiar with is the Paasche VLS. You can get fairly large paint bottles for that and it doesn't cost an arm and a leg. A small compressor will work, the air has to be DRY, so budget for a good water trap or dessicant trap. HF has some suitable compressors, their airbrushes suck, though. If you go with a car touchup gun, that'll take 3-5 cu ft/min or so, that's about the tops that a 115 compressor can do. The touchup guns will handle maybe 3' square surfaces, they don't spray a very wide pattern. A $10 one from HF will do for shellac and varnish, what I mostly use them for. Stan
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