Rick,  A partial solution may be a Koger Sunshade.
http://www.cleavelandtool.com/kogercompany/sunshade.htm  or for a better
price
http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1024950596-454-315&bro
wse=airframe&product=koger-shade I have used one for several years in my RV6
to keep the sun off my soft pink body and it works great.  It should work
just as well at some sun angles for the Sandel.  I plan to put this shade in
my Legacy, you could be the test case.

Steve Colwell   Legacy 2K  Placerville,CA   (530) 621-3408