by towerguy » Tue Dec 19, 2006 9:25 am
no insects????? - get a part time job cleaning the aeroclub aircraft , you'll soon learn different.
and yes jimmy you can get thermals over flat land - thermals are created by the warming of the air above a body and it subsequently expanding, becoming less dense than the surrounding air and so rising. the heating can be created from just a slight difference ie two fields next to each other with different crops or a ploughed field or even the runway surrounded by grass - a classic example was when I controlled in NZGS - in the middle of summer you could have the whole airfield generating a thermal with the result that all thewindsocks pointed to the middle of the field and there was a tailwind on every runway!
Last edited by
towerguy on Tue Dec 19, 2006 9:27 am, edited 1 time in total.
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