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Date: Mon, 12 Mar 2007 13:52:25 -0400
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From: billhogarty <billhogarty@hughes.net>
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Subject: Re: [LML] Re: Paint
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for Angier:

I just completed a "hanger" paint job on a L-IVP using Randolph 
polyurethane (see aircraft spruce catalog).  This was a 2 (heavy) coat 
application with no clear coat.   I am hoping the polyurethane might 
avoid the fine cracks around the pressurized door that some of the 
clear-coat materials show.  Time will tell.

Some thoughts:  This material is quite toxic and required positive air 
breathing equipment.   Certain colors, such as yellow and red, are very 
translucent and require a perfect, no blemish, undercoat;   altho the 
darker paints cover quite well.    Also, polyurethane is a very hard 
material when cured.  Sanding out runs and then using a buffing machine 
to apply rubbing compound, is a lot of work. 

The job took 3 times as long as I originally anticipated because I didnt 
factor in weather changes.   At last count, there were 37 pieces that 
had to be painted individually and I also had to build a rotisserie to 
handle the wings.  Adding different colors is also very time consuming.  
I estimate that it took me over 6 months to complete the job.

I mentioned once before, that I would never paint an airplane again.  I  
suggest flying in prime to work out all the bugs, then having a 
professional do the paint.

Good luck    Bill Hogarty