On Wednesday, 15 June 2016 05:18:46 UTC+2, Soartech wrote:
Wrap this 4 foot long x 21 inch solar panel around your tail boom and
get 120 Watts to keep your battery well charged. Only $119.

https://www.solarblvd.com/product_in...oducts_id=3083

How hot would a composite structure underneath become if one stuck one of these solar panels on your glider?
I'm not a structural engineer but I should think that a tail boom is a rather critical area to be weakening with heat.