Thread: Discussion THERMALS: what do you know?
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Old Nov 11, 2012, 11:23 AM
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I do know thermals happen at night;

TRUE STORY: During the 1978 Fall Soaring Festival I decided to fly at night. My Bird of Time was covered in transparent yellow monokote and I had weight reducing holes in all the ribs. I took a long clear plastic tube and filled it with the light emitting goop from a cyalume light stick.

I then slid the tube into the wing and launched my glider. The entire wing glowed making it very easy to see the glider. It was about 10:30 at night and I got a 15 minute flight, playing with a very weak thermal. (never went up very much, just mostly reduced sink)

Over the years I have learned thermals are like women: from a distance they seem similar, but once you get involved you realize they are all different.

Some left me wanting more
Some were boring
Some teased me relentlessly
Some were so frightening I had to leave
Some went away with no warning
And every once in a while one made my fantasies come true.
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