larry(at)macsmachine.com
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 Posted: Sat Nov 05, 2011 1:37 pm Post subject: Weight of paint |
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Hi Phil,
The question came up on my 601HDS and I did a W&B before paint and after. The difference depends on the amount of prime you use and
The number of passes you make in the process. Using a water-base catalyzed paint added near 10–lbs. to my bird. But the required a lot of passes to get it to consistent color. I spent $2800 in all for equipment and paint. Might have gone with an acrylic enamel as recommended by Bingelis in his “Sport plane construction techniques” pages 340-. I have a page on painting within my garage and the booth I built and the processes used to get it done. It might discourage you or not, but try the link, http://www.macsmachine.com/html/paint.htm. My journal also captures the day to day processes and methods etc. This is for the guy that wants to do it himself at home. Water base doesn’t burn in exposure to flame, so it’s great there and it doesn’t stink.
Be careful even if you use a “water base” catalyzed paint because it will still try to kill you if you overload the booth without an exhaust fan.
I show a respirator with a fresh air system that you can add that worked very well, after I’d forgot to turn on my fans. Had to sit up with the cat late in the morning to find out if I would survive the mistake. You go to bed feeling fine and 4 hours after painting, you wake up feeling as if you’re under water and can’t come up. Air comes to you but doesn’t absorb well while the iso-cyanates are providing something like an anaphylactic reaction. Do be careful!
You have any questions on what I did, just ask.
Fly safe,
Larry McFarland 601HDS at www.macsmachine.com
From: owner-zenith701801-list-server(at)matronics.com [mailto:owner-zenith701801-list-server(at)matronics.com] On Behalf Of Philip Smith
Sent: Saturday, November 05, 2011 1:48 PM
To: zenith701801-list(at)matronics.com; zenith-list(at)matronics.com
Subject: Weight of paint
Been in a couple of arguements about the weight of a paint job on a 701.
Some say the the liquid evaporates and the resulting "skin" of paint is very light - probably the ones who don't do another weight and balance after painting and or installing the fire extinguisher, intercom, entertainment center, extra radios, GPS, interior seats and trim.
Others state about 20 to 25 pounds of weight is added to a CH 701 type. What have you personally seen and weighed on your plane. My 701 weighs 594 lb empty with no seats, trim etc..
I would do a class job with one coat of primer and a good top coat of finish. Any guidance out there. Is there one system that is lighter and or better etc.
Your valued thoughts on paint weight vs polishing with a minimal amount of trim paint...please.
Phil01234567890123456789012
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