2C20.35 ball and funnel 2C20.35 Air blowing out an inverted funnel will hold up a ball. A ball will stick in the apex of a funnel hooked to an air supply. PIRA 200 Air blows radially out between two plates, supporting weights hung from the bottom plate. 2C20.40 lifting plate 2C20.40 Air blowing out between two horizontal plates supports a mass. A stream of air flowing radially between two plates will lift the bottom plate.
Air blows radially out between two plates, supporting weights hung from the bottom plate.
M-295 A pin is stuck through a card and it is inserted into the hole in a wooden spool. Blow in the spool and the card sticks. This can be scaled up if higher air pressure is available. Blow into a spool and lift a paper with a pin stuck through into the hole in the spool. When a disc hanging from a spring scale is mounted just above an identical spinning disc, the spring scale will show an increase in force.