From: N Morrison on
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

"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
�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

"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
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