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Although the WLS primer may be a fine product, I went through a process
similar to what Bob Foxwell describes.  Fortunately I only used a roller on
one side of the rudder before discovering what a bad idea that was.  Even
sprayed, the WLS primer is so hard to sand that it's not worth it.  I
settled on DuPont Corlar, but others have used PPG and other primers with
good results.  The Corlar is pretty easy to work with, but may not have as
much filler as some others, as it seemed to take several coats to fill the
weave in a lot of areas.  Still, isn't that half the fun?  Spray it on, sand
it off; repeat as needed.  At almost $300 per gallon.  As far as surface
wobblies go, I guess you have to decide from the outset whether you want an
optically perfect, show-quality surface, or just one that flies well.  If
the former, you probably have to apply a coat of micro to the entire
surface, then work it flat with long boards -- this goes for wings, stab,
everything.  For most of us, I suspect, it ain't worth the fuss.


Jim Cameron  (once & future ES)


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