Not exactly the same subject but within the area of cooling yourself. In you tube some guys made battery powered "A/C units". They used disposable ice chests , full of ice, and made two holes . One hole (inlet) has a small battery powered fan. The other hole (exit) directed towards you.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.