Word: suction
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...full curving lips closed with an unctuous suction about his thin, bloodless muzzle. Slowly, cautiously his tongue pressed a wadded spitball into her mouth...
...slow tramps and barges at an eight-knot clip. His guests scrutinized the Baden-Baden's two whirling towers of iron, 65 feet high and ten feet through, and tried to realize that, according to the Magnus principle, the quartering wind that struck the cylindrical metal sails created suction on their surfaces, the suction being greatest on the forward surfaces when they were rotated "into the wind" - i.e., clockwise for a starboard breeze, counterclockwise for a larboard. By proper reversals of the rotors, the ship was easily made to tack and maneuver...
...French have planned a compromise type of expedition, using motor sledges in co-operation with collapsible amphibian planes. Their sledges differ from the caterpillar-tread ones that failed Wilkins, having suction-grip rubber "paws" on a traction wheel extended in front of the sled-runners...
...believing they thus avoided a detrimental interaction; where the base and top disc of the Flettner cylinder had revolved, in the U. S. design it was stationary. The motive principle was the same as Flettner's, however: the Magnus principle, that wind passing over any surface creates suction on that surface, greatest on any part of the surface that does not move with the wind. Thus, the forward surface of a rotorship's cylinder being made to move into the wind - i. e., clockwise into a starboard wind, counterclockwise to a larboard jwind-suction is strongest on that...
...deck, 18 with the top of the clock at the bow. The air of the broadside wind will follow the path of least resistance and move with, and in the same rotational direction as, the surface of the cylinder. When air passes rapidly over any surface, it produces suction over that surface. And this is precisely what happens in the giant revolving cylinders. They are in suction on their forward side and are pulled forward accordingly. The vessel moves with them. This principle was discovered by Heinrich G. Magnus, a German physicist, in 1853. It took more than 70 years...