Stewart Systems

Hello all.

I am about to do final riveting on the bulk of my fuselage.  Would like to put the interior... especially the baggage compartment into primer.  I have looked at Stewart Systems white.   Was about to order it when I found some complaints about it.  Some have said that it only works in a controlled humidity environment.  I love in central North Carolina where the humidity is off the charts.   I have no booth or any other means of controlling the environment. 

Does anyone have any experience with such uncontrolled and un-ideal conditions?

regards,

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Permalink Reply by Roger Lambert on July 17, 2015 at 7:22am

Your understanding is correct. High temperature and humidity are big problems with Stewart Systems. I watched a local builder, with previous experience in painting aircraft, struggle with Stewart here in north central Florida. He finally completed the project but indicated he'd never use it again.

Permalink Reply by David Josephson on July 17, 2015 at 10:00pm

I have been using the Stewart epoxy primer and it's working fine, but I haven't used it in hot/humid conditions although it didn't seem to mind cool/humid. Maybe try it in the early morning before it gets too hot. It's worth the bother, not having to deal with solvents as much.

Permalink Reply by David Josephson on August 22, 2015 at 10:01am

I can now report on the EkoPoly topcoat. I am doing cabin frame and other interior pieces, adding some of their flattener to make it more of a satin finish (half the amount they suggest for a matte finish.) There is only one problem I've seen so far. It takes about 24 hours to fully dry, and isn't really cured for another week or two. At typical homebuilder pace it should not be a problem, but plan on letting it sit for a while before any rough handling.

Permalink Reply by David Banahan on April 9, 2016 at 8:51am
I've had no problem with the primer. I sprayed it in my garage. Humidity was 60 temp 70. Now waiting for a warm day to paint. Buy the book. Follow the instructions.
Permalink Reply by Ernest Jessee on April 9, 2016 at 9:25am

I would really love to use the Stewart system, but I too would have to use my garage.  As a matter of fact, I'm at a point where I *could* start.   Days with reasonable humidity are hard to come by in East/Central North Carolina. I may still give it a try. Thanks for your reply.

I included a pic of my project.  always loooking for an opportunity to show somebody.  :-)

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