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07-30-2014, 03:46 PM
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Join Date: Apr 2014
Location: Houston
Posts: 16
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Cheap forced air respirator?
I'm looking to do my priming as safely as possible, but $500+ seems pretty steep for such a simple rig... Can anybody suggest a reasonable rig?
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07-30-2014, 04:19 PM
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Join Date: Jul 2007
Location: Cypress, TX
Posts: 526
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Depending on what you are spraying, you may not need a forced air system. For etching primers, you probably only need a respirator and good ventilation. For urethane paints, you need a good forced air system and $500 is cheap compared to the health risk.
So what type of paint or primer are you planning to spray?
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07-30-2014, 10:02 PM
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Join Date: Mar 2013
Location: El Dorado Hills, CA
Posts: 696
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Hobbyaire on Ebay. Think I paid about $250.
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Blain
R-22 sold.
RV-8 AW Cert 02-09-17
N82 Sierra Tango
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Dues gladly paid thru Nov. 2020(my reminder ).
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07-31-2014, 09:34 AM
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Join Date: Apr 2014
Location: Houston
Posts: 16
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Quote:
Originally Posted by brad walton
Depending on what you are spraying, you may not need a forced air system. For etching primers, you probably only need a respirator and good ventilation. For urethane paints, you need a good forced air system and $500 is cheap compared to the health risk.
So what type of paint or primer are you planning to spray?
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I'm spraying two part AZKO primer. The actual painting will be left for a pro.
Quote:
Originally Posted by Blain
Hobbyaire on Ebay. Think I paid about $250.
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I didn't even think about eBay, good idea. What kind of gun did you use? I'm tempted just to get a Harbor Freight gun, since it's just primer...
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07-31-2014, 10:19 AM
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Join Date: Dec 2011
Location: Meridian ID, Aspen CO, Okemos MI
Posts: 2,645
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I have no idea on how good it would work, but I have heard of a guy making one out of a new, clean, shop vac and a Hobby Air full mask. It was for a small job, but may be worth checking out?
Fresh air when you are painting is worth every penny you spend. My neighbor who owns a body shop saw me spraying outside - with a mask on and came over to check what paint I was using to make sure I wasn't killing myself! We are on 5 acre parcels so he had to make an effort to come over. I took that as a good warning to be careful!
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rockwoodrv9a
Williamston MI
O-320 D2A
Awaiting DAR Inspection
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07-31-2014, 10:35 AM
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Join Date: Oct 2007
Location: In New Braunfels, ist das Leben schön!
Posts: 871
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I have two supplied air systems as my son sometimes helps with painting. The first was about $250 and DIY. Both main parts from ebay: a fire fighter surplus mask and a Gast rotary carbon vane pump commonly used in high dollar supplied air systems. Works well. Second is a basic Hobbyair system bought from a VAF for sale post. About $250 after getting a hood to use with the half mask. When I'm alone, I use the hobbyair mainly because I like the hood.

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Larry New
RV-7A - Built, flying 900+ hrs
RV-10 - Built, flying 2.9 hrs
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48 States in 7 Days!
VAF Paid - Annual Autodraft
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07-31-2014, 11:48 AM
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Join Date: Mar 2005
Posts: 55
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air
There was one on the Sonerai Forum made using a bathroom vent fan and a new roll of sump pump hose.
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07-31-2014, 12:32 PM
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Join Date: May 2014
Location: Savannah
Posts: 806
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Since I am spraying Akzo primer outside, usually with a slight breeze I have been using a 3M organic filter respirator with HEPA filters. There were no specific requirements in the MSDS for supplied air type respirators so I assumed I would be OK outside. Can someone who actually knows something about painting can tell me if this is acceptable?
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Mike Hammond
A&P IA PPL ASEL
RV-14A kit S/N 140170
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07-31-2014, 02:38 PM
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Join Date: Jan 2005
Location: England
Posts: 1,087
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Quote:
Originally Posted by Devious Rhesus
I'm looking to do my priming as safely as possible, but $500+ seems pretty steep for such a simple rig... Can anybody suggest a reasonable rig?
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How much for a pair of lungs?
Hobbyair was one of the best investments I ever made.
I tried good quality 'regular' filter masks, but always ended up feeling awful - Hobbyair (or something similar) is the way to go IMHO.
Pete
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07-31-2014, 07:56 PM
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Join Date: Apr 2014
Location: Racine, WI
Posts: 194
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Hobby-Air system, $500.
A pair of non-compromised lungs - priceless.
I asked the same question myself, weighed it out, and bought a Hobby-Air.
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RV-7A
IO-360 Hartzell CSP
Purchased
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