Respriator Questions

"Bruce A. Frank" wrote in message Jim,

The suggestion of how to fabricate an inexpensive fresh air mask is a
good one, but don't be afraid of single or twin cartridge respirator
masks.

I'm not afraid of resirators, and only use fresh air systems when using the
nasty stuff, like the two part urethanes.

The one disadvantage I find with the fresh air mask is having to deal
with the hose following me around as I duck and bend to shoot paint on
all the parts.

I solved this problem by attatching the hose to my belt, mostly around my
backside. It wasn't much in the way, like that.

I improved my home made system by using small tube from my
compressor, 1/4", at 90 psi to an adjustable valve attached to my belt.

From what I have read, that is a very risky thing to do. The air from a
standard air compressor has oil vapors, and things in it that you should NOT
be breathing.

At very least, I would send the air compressor air through a organic
cartridge, before breathing it.


Epoxies an solvent based paints are completely
filtered by the charcoal type organic filter cartridges.

Yep.

Good to see you back in the funny papers. How is your project going?
--
Jim in NC

Morgans wrote:

Good to see you back in the funny papers. How is your project going?
--
Jim in NC

Well, I have quit my day job to concentrate on building fuel tanks for
homebuilts. Since I am way behind on tanks, about 8 weeks right now, progress on
my project is slow. Lot of happy customers though! And I really am enjoying
doing this!! Still trying to get the next issue of the newsletter out.


--
Bruce A. Frank
======================
Aircraft Projects
Fuel Tank Fabrication
TIG, MIG & Oxy/Acet Welding & Brazing

"Bruce A. Frank" wrote

Well, I have quit my day job to concentrate on building fuel tanks for
homebuilts. Since I am way behind on tanks, about 8 weeks right now,
progress on
my project is slow. Lot of happy customers though! And I really am
enjoying
doing this!! Still trying to get the next issue of the newsletter out.


--
Bruce A. Frank

Fantastic job change! I was going to say that I didn't know you were doing
that, and ought to spam us a little, but then...* weeks behind, I guess you
don't need to get 10 weeks behind!
--
Jim in NC

On Mon, 17 Jan 2005 12:21:57 -0600, Jim Carriere
wrote:

Hello group,
Who here has worked with MEK and other wonderful solvents? Where did
you get your respirator gear from, and what models? The filter ones
available in the chain "hardware" stores have fairly vague
specifications on the labels: usually suitable for aromatics,
solvents, etc. This is not something I wish to leave up to chance.
Do I need to fork over the big bucks on this one and pay for a forced
air system?


When I put 3 coats of 2-part epoxy paint on the floor of my shop I
didn't have the equipment I have now.

Sooo... I took a standard face shield, one large garbage bag, two
lengths of the cheap 1 1/4 or 1 1/2 bilge (sump pump hose) and a
squirrel cage fan I had on hand.

I put the face shield inside the garbage bag, taped it to the inside
of the bag, cut out the bag for the face plate,

I taped the corrugated hose in position on my back with one piece of
duct tape around my waist and another just under my arms. This left
the hose open at the back of my neck and blowing up and over the top.

The fumes were so strong you would have needed a full face mast any
way.

Using this set up I was able to give the floor three coats of epoxy.
It did take several garbage bags as they are not the most sturdy
things in the world, but I did have fresh, clean, COLD air.

Total cost was less than $10 as I had the face shield on hand.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com
Thanks in advance.

Very innovative! Showing way too much common sense!

Roger wrote:

On Mon, 17 Jan 2005 12:21:57 -0600, Jim Carriere
wrote:

Hello group,
Who here has worked with MEK and other wonderful solvents? Where did
you get your respirator gear from, and what models? The filter ones
available in the chain "hardware" stores have fairly vague
specifications on the labels: usually suitable for aromatics,
solvents, etc. This is not something I wish to leave up to chance.
Do I need to fork over the big bucks on this one and pay for a forced
air system?


When I put 3 coats of 2-part epoxy paint on the floor of my shop I
didn't have the equipment I have now.

Sooo... I took a standard face shield, one large garbage bag, two
lengths of the cheap 1 1/4 or 1 1/2 bilge (sump pump hose) and a
squirrel cage fan I had on hand.

I put the face shield inside the garbage bag, taped it to the inside
of the bag, cut out the bag for the face plate,

I taped the corrugated hose in position on my back with one piece of
duct tape around my waist and another just under my arms. This left
the hose open at the back of my neck and blowing up and over the top.

The fumes were so strong you would have needed a full face mast any
way.

Using this set up I was able to give the floor three coats of epoxy.
It did take several garbage bags as they are not the most sturdy
things in the world, but I did have fresh, clean, COLD air.

Total cost was less than $10 as I had the face shield on hand.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com
Thanks in advance.

--
Bruce A. Frank, Editor "Ford 3.8/4.2L Engine and V-6 STOL
Homebuilt Aircraft Newsletter"
| Publishing interesting material|
| on all aspects of alternative |
| engines and homebuilt aircraft.|

On Fri, 21 Jan 2005 16:47:23 GMT, "Bruce A. Frank"
wrote:

Very innovative! Showing way too much common sense!


Thanks.

I'll have to put up a link to a photo of the shop floor *before* it
was covered with "stuff" and scuffed and had heavy, hard stuff with
sharp corners dropped in places. G

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com
Roger wrote:

On Mon, 17 Jan 2005 12:21:57 -0600, Jim Carriere
wrote:

Well Jim what I did was to buy a surplus gas mask from Sportsman guide
and then went to a junkyard and got a used heater blower from a car and
then hooked it up with a hose.Put the blower in clean air outside the
work area and attach to a car battery and it will feed clean air into
the mask.I have been doing this for years.Jim in Ct.