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Originally Posted by efoote868
more relevent, a hovercraft isn't realistic because to get it floating, and keep it floating, you'd need a heck of alot of air... and i'm pretty sure that'd drain your batteries too quickly
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depends on the surface you are hovering over.
A flat hard covered floor would not let much air leak out. All you need to do is replace the air that is escaping.
pressure would be lower than you might think. If the skirt area is 2 by 3 feet, thats 864 square inches
if your robot weighs 120 lbs, you need 120 pounds distributed under that area.
120 / 864 = 0.138 pounds per square inch (above the air pressure in the room)
that is not very much air pressure to lift a bot!